Latest Update：2026/03/24 10:40:50

UCHIDA Masao

Researcher Name: UCHIDA Masao

Div (Section) name/title: Earth System Division（Biogeochemical Cycle Observation Section）／Chief Senior Researcher

Research Subject: 1)Paleoenvironmental reconstruction and carbon cycles associated with variabilities of marine and terrestrial organic carbon reservoir and greenhouse gases emission under warming Arctic climate using marine, lake, permafrost, and peat sediments in Alaska, Svalbard, Siberia, Canada Arctic, Arctic Ocean, Bering Sea
2)Reconstructions of oceanic ventilation history in Pacific Ocean and Arctic Ocean, and Bering Sea associated with past atmospheric CO2 variations during past warming periods(interglacial, interstadial) and influences with solar radiations
3)Developments of paleo-proxies for temperature, salinity, and water mass to reconstruct past environment and climate change.

Degree(s): Ph.D.

Professional Qualification(s): Chemistry,Earth Science,Science

Environmental Speciality Field: climate change,carbon cycle,paleoclimate・paleocenography

URL: https://researchmap.jp/uchidama2020/
https://scholar.google.co.jp/citations?hl=ja&user=Og0FOvkAAAAJ&view_op=list_works&sortby=pubdate

Research Subject

Fiscal Year: 2025
- 27188 : Climate Change and Air Quality Research Program
- 27203 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
- 27244 : Earth System Domain: Foresight and Advanced Basic Research
- 27490 : Relationships between Arctic mid-water temperature variation and seafloor methane hydrate instability
- 27491 : Hg emission from permafrost under warming climate and influence to the environment
- 27492 : Developing the techniques for environmental analyses using the accelerator mass spectrometry
- 27494 : Carbon cycle study of microbe in the ancient sea water enclosed in the permafrost ice in the Alaskan Arctic
- 27495 : High resolution environmental reconstruction of Roman warm period in Arctic: permafrost dissolution under abrupt warming climate change
- 27497 : Reevaluation of continental ice shelf-AMOC interaction mechanism inducing abrupt global climate change
- 27502 : The Holocene Arctic Warm Period: Evaluating Climate Couplings and Tipping Points in Marine and Terrestrial Environments
- 27503 : Mechanisms of Mercury Accumulation and Preservation in Arctic Soil Systems and Their Destabilization Induced by Climate Change
- 27504 : Challenging the Relict Carbon Problem in Permafrost: Advances in Radiocarbon (¹⁴C) Dating Techniques
- 27505 : Integrated Observations of Terrestrial Ecosystems and Permafrost–Periglacial Environments for Understanding Biogeochemical Processes
- 27506 : Toward the Practice of Risk Communication on Permafrost Thaw in Alaska Native Communities: Responding to Slow-Onset Disasters in the Arctic under Climate Change
Fiscal Year: 2024
- 26799 : Climate Change and Air Quality Research Program
- 26815 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
- 26859 : Earth System Domain: Foresight and Advanced Basic Research
- 26912 : Developing the techniques for environmental analyses using the accelerator mass spectrometry
- 27137 : Relationships between Arctic mid-water temperature variation and seafloor methane hydrate instability
- 27138 : Hg emission from permafrost under warming climate and influence to the environment
- 27139 : Carbon cycle study of microbe in the ancient sea water enclosed in the permafrost ice in the Alaskan Arctic
- 27140 : High resolution environmental reconstruction of Roman warm period in Arctic: permafrost dissolution under abrupt warming climate change
- 27141 : Reevaluation of continental ice shelf-AMOC interaction mechanism inducing abrupt global climate change
- 27142 : Relationships between history of Alaskan Arctic natural fire events and climate change
Fiscal Year: 2023
- 26450 : Earth System Domain: Foresight and Advanced Basic Research
- 26638 : Developing the techniques for environmental analyses using the accelerator mass spectrometry
- 26639 : Relationships between Arctic mid-water temperature variation and seafloor methane hydrate instability
- 26640 : Relationships between history of Alaskan Arctic natural fire events and climate change
Fiscal Year: 2022
- 26006 : Earth System Domain: Foresight and Advanced Basic Research
- 26041 : Study on themokarst and their variability by using remote sensing and ground truth
- 26042 : Developing the techniques for environmental analyses using the accelerator mass spectrometry
- 26043 : Relationships between Arctic mid-water temperature variation and seafloor methane hydrate instability
- 26044 : Relationships between history of Alaskan Arctic natural fire events and climate change
- 26045 : GHGs gas dynamics and biogeochemical mechanism during permafrost soil melting
- 26046 : Developing protocol of carbon budget estimation of marine chemoautotroph using radiocarbon
Fiscal Year: 2021
- 25655 : Earth System Domain: Foresight and Advanced Basic Research
- 25952 : Study on themokarst and their variability by using remote sensing and ground truth
- 25953 : Developing the techniques for environmental analyses using the accelerator mass spectrometry
- 25954 : Relationships between Arctic mid-water temperature variation and seafloor methane hydrate instability
- 25955 : Relationships between history of Alaskan Arctic natural fire events and climate change
- 25957 : GHGs gas dynamics and biogeochemical mechanism during permafrost soil melting
- 25958 : Developing protocol of carbon budget estimation of marine chemoautotroph using radiocarbon
Fiscal Year: 2020
- 25383 : Study on themokarst and their variability by using remote sensing and ground truth
- 25384 : Development of analytical methods for environmental samples using AMS
- 25432 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts
Fiscal Year: 2019
- 25056 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts
Fiscal Year: 2018
- 24615 : Development of analytical methods for environmental samples using AMS
- 24616 : Reconstruction of environmental change using permafrost samples from Alaskan Arctic by ice core analytical techniques
- 24617 : Study on themokarst and their variability by using remote sensing and ground truth
Fiscal Year: 2017
- 24128 : Novel mechanism of CO2 emission by permafrost microbe and permafrost melting under Arctic warming
- 24129 : Reconstruction of environmental change using permafrost samples from Alaskan Arctic by ice core analytical techniques
- 24131 : Development of analytical methods for environmental samples using AMS
Fiscal Year: 2016
- 23691 : Dynamics of Soil organic matter in a mangrove forest on an estuary of the Trat River, eastern Thailand.
- 23696 : The effect of biocar on carbon sequestration and ecosystem functions in a deciduous forest.
- 23788 : Carbon cycle study of marine DOC using compound specific radiocarbon analysis of archaeal membrane lipids
- 23789 : Reconstruction of sea ice variability in the Arctic Ocean during warming periods using IP25 proxy of ice algae biomarker.
- 23790 : Novel mechanism of CO2 emission by permafrost microbe and permafrost melting under Arctic warming
Fiscal Year: 2015
- 23024 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
- 23292 : The effect of biocar on carbon sequestration and ecosystem functions in a deciduous forest.
- 23294 : Dynamics of Soil organic matter in a mangrove forest on an estuary of the Trat River, eastern Thailand.
- 23295 : Carbon cycle study of marine DOC using compound specific radiocarbon analysis of archaeal membrane lipids
- 23296 : Reconstruction of sea ice variability in the Arctic Ocean during warming periods using IP25 proxy of ice algae biomarker.
- 23297 : Time-Spacial variations of carbon budget of Arctic terrestrial system under globar warming climate
- 23298 : Novel mechanism of CO2 emission by permafrost microbe and permafrost melting under Arctic warming
- 23299 : Elucidation of chemical transition process of terrestrial DOC in view of molecular level by 1H NMR spectroscopy using an unique pulse method.
Fiscal Year: 2014
- 22612 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
- 22866 : Carbon cycle study of marine DOC using compound specific radiocarbon analysis of archaeal membrane lipids
Fiscal Year: 2013
- 22196 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
- 22248 : Chemodynamics and characterization of elements in environment and organisms
- 22429 : Study on chemical composition and source of airborne particles
- 22517 : Global Monsoon variation and East Asian water cycle during the Holocene
- 22518 : Variation of terrestrial ecosystem in pan-Arcitic region and their influence to the Arctic climate system
- 22519 : Developing methods for the permafrost melting rate using radiocarbon analysis of dissolved methane in the lake water
- 22520 : Time-Spacial variations of carbon budget of Arctic terrestrial system under globar warming climate
- 22521 : Development of paleo sea surface temperature estimate using GDGTs of organic moleculars of marine archaea membrane lipids and their application to paleoclimate study
Fiscal Year: 2012
- 21767 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
- 21811 : Chemodynamics and characterization of elements in environment and organisms
- 21835 : Study on chemical composition and source of airborne particles
- 22047 : Radiocarbon
- 22078 : Global Monsoon variation and East Asian water cycle during the Holocene
- 22079 : Observation for evaluation of vulnerability in future warming of the Arctic terrestrial ecosystem and their modeling research
- 22080 : Relationships between continental Ice sheet retreat events recorded in the Arctic Ocean floor and their global climate changes
- 22100 : Deciphering the relationships between marine dissolbed organic carbon cycle and microbial loop utisng radiocarbon nalysis of miacrobial memblane lipids
- 22101 : Variation of terrestrial ecosystem in pan-Arcitic region and their influence to the Arctic climate system
- 22102 : Developing methods for the permafrost melting rate using radiocarbon analysis of dissolved methane in the lake water
- 22138 : Development of GHG observation by GOSAT and its data analysis
Fiscal Year: 2011
- 21325 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
- 21364 : Chemodynamics and characterization of elements in environment and organisms
- 21553 : Study on chemical composition and source of airborne particles
- 21602 : Investigation of decadal to millenium scale changes in cosmic ray activity and global environemntal change
- 21699 : Radiocarbon
- 21700 : Development of soil carbon dynamics model based on available residence times of each soil compartment
Fiscal Year: 2010
- 20935 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
- 21024 : Study on chemical composition and source of airborne particles
- 21092 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
- 21128 : A quantitative analysis of the mechanisms of soil organic carbon accumulation and an experimental evaluation of their effects on climate change
- 21133 : Development of soil carbon dynamics model based on available residence times of each soil compartment
- 21136 : Paleoceanography for future prediction: a possibility of climate mode jump with global warming
- 21137 : Methane hydrate instability under sea floor and its relationship with abrupt global warning during the last interglacial
- 21138 : Sources of PAHs in Asian countries and their long transport process
- 21139 : Origins of organic aerosol in East Asia and the North Pacific and their long transport and transformation
- 21152 : Soil microbial decomposition potential of fossil carbon associated with permafrost soil caused by Arctic warming
- 21162 : Black carbon
- 21164 : Observation for evaluation of vulnerability in future warming of the Arctic terrestrial ecosystem and their modeling research
- 21166 : Radiocarbon
- 21168 : Climate change
- 21173 : Influence of experimental warming on the decomposition of soil organic matter from a cropping field: Insight from radiocarbon analysis of soil respired CO2
- 21184 : Radiocarbon
- 21219 : Investigation of decadal to millenium scale changes in cosmic ray activity and global environemntal change
- 21230 : Black carbon
Fiscal Year: 2009
- 20450 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
- 20514 : Study on chemical composition and source of airborne particles
- 20608 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
- 20686 : Development of soil carbon dynamics model based on available residence times of each soil compartment
- 20687 : Observational research on soil carbon dynamics in Canadian Arctic and their instability evaluation under global warming
- 20688 : Soil microbial decomposition potential of fossil carbon associated with permafrost soil caused by Arctic warming
- 20721 : A quantitative analysis of the mechanisms of soil organic carbon accumulation and an experimental evaluation of their effects on climate change
- 20722 : Reconstruction of Arctic Ocean environmental changes and their relationships with global climate change
- 20723 : Marine DOC carbon cycle using compound specific radiocarbon analysis of microbial rRNA and membrane lipids
- 20725 : Methane hydrate instability under sea floor and its relationship with abrupt global warning during the last interglacial
- 20726 : Sources of PAHs in Asian countries and their long transport process
- 20727 : Origins of organic aerosol in East Asia and the North Pacific and their long transport and transformation
- 20728 : Development of ultra-micro scale analysis for radio carbon using isotope dilution
- 20757 : Study on the origin of fine particle matters using natural level radiocarbon analysis
- 20758 : Paleoceanography for future prediction: a possibility of climate mode jump with global warming
Fiscal Year: 2008
- 20015 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
- 20017 : Sensitive and precise measurement of isotope ratios for chemodynamics researches
Fiscal Year: 2007
- 10508 : Methane hydrate instability under the sea floor associated with past climate change and its mechanism
- 10528 : Sensitive and precise measurement of isotope ratios for chemodynamics researches
- 10565 : Study on carbon cycle in the marine sediment using microbial rRNA-level radiocarbon analysis
- 10603 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
- 10672 : Possibility of large marine carbon reservoir fueled by carbon assimilating marine chemoautotroph– case study for marine organisms macrocosm experiment using natural-level radiocarbon.

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Research Result (Publication)

Original Paper

Holocene dynamics of the Indian summer monsoon inferred from a high-resolution peat α-cellulose δ18O record on the Tibetan Plateau

Presenter : Wang J., Peng H., Uchida M., Zhao H., Ding H., Yao H., Li Z., Hong B., Hong Y.
Title : , Quaternary Science Reviews, 342(15): (2024)
Original Paper

Radiocarbon ages of plant remains in massive ground ice and underlying sediments of the barrow permafrost tunnel, Alaska

Presenter : Iwahana G., Uchida M., Horiuchi K., Deming J., Eicken H., Ohno H., Mantoku K., Kobayashi T., Saito K.
Title : , Radiocarbon, 66(5):879-891 (2024)
Original Paper

Characterization of fine carbonaceous aerosols from the eastern Mediterranean: Contributions of Fossil and Non-Fossil Carbon Sources

Presenter : Pavuluri C.M., Mihalopoulos N., Uchida M., Mantoku K., Kobayashi T., Fu P., Kawamura K.
Title : , Radiocarbon, 66(5):958-972 (2024)
Original Paper

Source apportionment of atmospheric and sedimentary PAHs from Kolkata, India using compound-class-specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Saitoh S., Mantoku K., Kobayashi T., Okuda T., Nakajima F., Hatakeyama S., Shibata Y., Takada H.
Title : , Radiocarbon, 66(5):892-903 (2024)
Original Paper

Ultra small mass AMS 14C sample preparation and analyses at NIES-TERRA AMS facility

Presenter : Uchida M., Mantoku K., Kobayashi T.
Title : , Nuclear Inst. and Methods in Physics Research, B, 536:144-153 (2023)
Original Paper

Source apportionment of black carbon aerosols by isotopes (14C and 13C) and Bayesian modeling from two remote islands in east Asian outflow region

Presenter : Uchida M., Mantoku K., Kumata H., Kaneyasu N., Handa D., Arakaki T., Kobayashi T., Hatakeyama S., Shibata Y., Kawamura K.
Title : , Nuclear Instruments and Methods in Physics Research B, 538:64-74 (2023)
Original Paper

Projections of surface air temperature required to sustain permafrost and importance of adaptation to climate change in the Daisetsu Mountains, Japan

Presenter : Yokohata T., Iwahana G., Sone T., Ishizaki N., Kubo T., Oguma H., Uchida M.
Title : , Scientific reports, 11(15518): (2021)
Original Paper

Abrupt climate variability since the last deglaciation based on a high-resolution peat dust deposition record from southwest China

Presenter : Peng H., Bao K., Yuan L., Uchida M., Cai C., Zhu Y., Hong B., Guo Q., Ding H., Yao H., Hong Y.
Title : , QUATERNARY SCIENCE REVIEWS, 252(106749): (2021)
Original Paper

Reduced bioavailability of polycyclic aromatic hydrocarbons (PAHs) in sediments impacted by carbon manufacturing plant effluent: Evaluation by ex situ passive sampling method

Presenter : Endo S., Yoshimura M., Kumata H., Uchida M., Yabuki Y., Nakata H.
Title : , Environmental Pollution, 256(113448): (2020)
Original Paper

Millennial-scale variability of East Asian summer monsoon inferred from sea surface salinity in the northern East China Sea (ECS) and its impact on the Japan Sea during Marine Isotope Stage (MIS) 3

Presenter : Kubota Y., Mimoto K., Tada R., Uchida M., Ikehara K.
Title : , Progress in Earth and Planetary Science, 6(39): (2019)
Original Paper

Organic carbon aging during across-shelf transport

Presenter : Bao R., Uchida M., Montlucon D., McNichol A., Hayes J.M., Eglinton T.I.
Title : , Geophysical research letter (2018)
Original Paper

Diurnal variations of fossil and nonfossil carbonaceous aerosols in Beijing

Presenter : Morino Y., Ohara T., Xu J., Hasegawa S., Zhao B., Fushimi A., Tanabe K., Kondo M., Uchida M., Yamaji K., Yang L., Song S., Dong W., Wu Y., Wang S., Hao J.
Title : , Atmospheric Environment, 122:349-356 (2015)
Original Paper

Radiocarbon ages of insects and plants frozen in the No. 31 Glacier, Suntar-Khayata Range, eastern Siberia

Presenter : Nakazawa F., Uchida M., Kondo M., Kadota T., Shirakawa T., Enomoto H., Fedorov A.N., Fujisawa Y., Konstantinov P.Y., Kusaka R., Miyairi M., Ohata T., Yabuki H.
Title : , Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 361:574-579 (2015)
Original Paper

A Southern Ocean trigger for Northwest Pacific ventilation during the Holocene?

Presenter : Rella S., Uchida M.
Title : , Scientific Reports, 4(4046): (2014)
Original Paper

Response of the Bering Sea to 11-year solar irradiance cycles during the Bølling-Allerød

Presenter : Katsuk K., Itaki T., Uchida M., Toda R.
Title : , Geophysical Research Letters, 41(8):2892-2898 (2014)
Original Paper

Increasing summer rainfall in arid eastern-Central Asia over the past 8500 years

Presenter : Hong B., Gasse F., Uchida M., Hong Y., Leng X., Shibata Y., An A., Zhu Y., Wang Y.
Title : , Scientific Reports, 4(5279): (2014)
Original Paper

Carbon storage reseroirs in watersheds support stream food webs via periphyton production

Presenter : Ishikawa N, Uchida M., Shibata Y., Tayasu I.
Title : , Ecology, 95(5):1264-1271 (2014)
Original Paper

Changes in soil aggregate carbon dynamics under no-tillage with respect to earthworm biomass revealed by radiocarbon analysis

Presenter : Arai M., Tayasu I., Komatsuzaki M., Uchida M., Kaneko N.
Title : , Soil & Tillage Research, 126:42-49 (2013)
Original Paper

Contributions of detrital subsidies to aboveground spiders during secondary succession, revealed by radiocarbon and stable isotope signatures

Presenter : Haraguchi T.F. , Uchida M., Shibata Y., Tayasu I.
Title : , Oecologia, 171(4):935-944 (2013)
Original Paper

Black humic acid dynamics during natural reforestation of Japanese pampas grass (Miscanthus sinensis)

Presenter : Iimura Y., Fujimoto M., Tamura K., Higashi T., Kondo M., Uchida M., Yonebayashi K., Fujitake N.
Title : , Soil Biology & Biochemistry, 57:60-67 (2013)
Original Paper

Latitudinal distribution of soil CO2 efflux and temperature along the Dalton Highway, Alaska

Presenter : Kim Y., Kim S.D., Enomoto H., Kishida K., Kondo M., Uchida M.
Title : , Polar Science (2013)
Original Paper

Changes in soil aggregate carbon dynamics under no-tillage with respect to earthworm biomass revealed by radiocarbon analysis

Presenter : Arai M., Tayasu I., Uchida M., Shibata Y., Kaneko N.
Title : , Soil and Tillage Research, 126:42-49 (2013)
Original Paper

Enhanced modern carbon and biogenic organic tracers in Northeast Asian aerosols during spring/summer

Presenter : Pavuluri C.M., Kawamura K., Uchida M., Kondo M., Fu P.
Title : , Journal of Geophysical Research: Atmospheres , 118:1-10 (2013)
Original Paper

Inorganic Chemical Characterization of Aerosols in Four Asian Mega-Cities

Presenter : Okuda T., Takada H., Kumata H., Nakajima F., Hatakeyama S., Uchida M., Tanaka S., He K., Ma Y.
Title : , Aerosal and Air Quality Research, 13(2):436-449 (2013)
Original Paper

Variation of Δ14C and δ13C values of dissolved humic and fulvic acids in the Tokachi River System in the northern Japan

Presenter : Nagao S., Aramaki T., Fujitake N., Kodama H., Tanaka T., Ochiai S., Uchida M., Shibata Y., Yamamoto M.
Title : , RADIOCARBON, 55(2-3):1007-1016 (2013)
Original Paper

Intercomparison of 14C Analysis of Carbonaceous Aerosols: Exercise 2009

Presenter : Szidat S., Bench G., Bernardoni V., Calzolai G., Czimczik C.I., Derendorp L., Dusek U., Elder K., Fedi M.E., Genberg J., Gustafsson Ö., Kirillova E., Kondo M., McNichol A.P., Perron P., Santos G.M., Stenström K., Swietlicki E., Uchida M., Vecchi R., Wacker L., Zhang Y.L., Prévôt A.S.H.
Title : , Radiocarbon, 55(2-3):1496-1506 (2013)
Original Paper

Deviations between observed and RothC-simulated Δ14C values despite improved IOM initialization

Presenter : Shirato Y., Jomura M., Wagai R., Kondo M., Tanabe K., Uchida M.
Title : , European Journal of Soil Science, 64(5):576-585 (2013)
Original Paper

Archaeal and bacterial abundance, cell volume, and biomass in the Pacific sector of the Arctic ocean

Presenter : Amamo-Sato C., Akiyama S., Uchida M., Li Q., Utsumi M.
Title : , Journal of Bioindustrial Science, 2(1):1-7 (2013)
Original Paper

The effect of the feedback cycle between the soil organic carbon and the soil hydrologic and thermal dynamics

Presenter : Mori Kensuke, Ise Takeshi, Kondo M., Kim Yongwon, Enomoto Hiroyuki, Uchida M.
Title : , Open Journal of Ecology, 2(2):90-95 (2012)
Original Paper

Millennial-scale variations of late Pleistocene radiolarian assemblages in the Bering Sea related to environments in shallow and deep waters

Presenter : Itaki T., Kim S., Rella S. F. , Uchida M., Tada R., Khim B.K.
Title : , Deep Sea Research Part II: Topical Studies in Oceanography, 61-64:127-144 (2012)
Original Paper

Biogeochemical processes involving acetate in sub-seafloor sediments from the Bering Sea shelf break

Presenter : Ijiri A., Harada N., Hirota A., Ogawa N.O., Itaki T., Khim B.K., Uchida M.
Title : , Organic Geochemistry, 48:47-55 (2012)
Original Paper

Abrupt changes of intermediate water properties on the northeastern slope of the Bering Sea during the last glacial and deglacial period

Presenter : Rella S. F. , Tada R., Nakashima K., Ikehara M., Itaki T., Ohkushi K., Sakamoto T., Harada N., Uchida M.
Title : , Paleoceanography, 27:3203 (2012)
Original Paper

Sedimentary organic matter variations in the Chukchi Borderland over the last 155 kyr

Presenter : Rella S. , Uchida M.
Title : , Biogeosci.Discuss, 8:2259-2280 (2011)
Original Paper

Millennial-scale variations of late Pleistocene radiolarian assemblages in the Bering Sea related to environments in shallow and deep waters

Presenter : Itaki T., Kim S., Rella S. , Uchida M., Tada R., Khim B.-K.
Title : , Deep Sea Research II, 61-64:127-144 (2011)
Original Paper

Carbon isotope composition of dissolved humic and fulvic acids in the Tokachi River system

Presenter : Nagao S., Kodama H., Aramaki T., Fujitake N., Uchida M., Shibata Y.
Title : , Radiation Protection Dosimetry, 146(1-3):322-325 (2011)
Original Paper

Radiocarbon (14C) diurnal variations in fine particles at sites downwind from Tokyo, Japan in summer

Presenter : Fushimi A., Rota Wagai, Uchida M., Hasegawa S., Takahashi K., Kondo M., Hirabayashi M., Morino Y., Shibata Y., Ohara T., Kobayashi S., Tanabe K.
Title : , Environmental Science and Technology, 45(16):6784-6792 (2011)
Original Paper

Quick Recovery of Carbon Dioxide Exchanges in a Burned Black Spruce Forest in Interior Alaska

Presenter : Iwata H., Ueyama M., Harazono Y., Tsuyuzaki S., Kondo M., Uchida M.
Title : , SOLA, 7:105-108 (2011)
Original Paper

Millennial-scale paleoceanographic events and implication for the intermediate-water ventilation in the northern slope area of the Bering Sea during the last 71 kyrs

Presenter : Kim S., Khim B.K., Uchida M., Itaki T., Tada R.
Title : , Global and Planetary Change, 79(1-2):89-98 (2011)
Original Paper

Natural C-14 provides new data for stream food-web studies: a comparison with C-13 in multiple stream habitats

Presenter : Ishikawa N.F., Uchida M., Shibata Y., Ichiro
Title : , Marine and Freshwater Research, 63:210-217 (2011)
Original Paper

Sedimentary organic matter and carbonate variations in the Chukchi Borderland in association with ice sheet and ocean-atmosphere dynamics over the last 155 kyr

Presenter : Rella S. , Uchida M.
Title : , Biogeosciences, 8(12):1-9 (2011)
Original Paper

Radiocarbon-based residence time estimates of soil organic carbon in a temperate forest: Case study for the density fractionation for Japanese volcanic ash soil

Presenter : Kondo M., Uchida M., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.B, 268(7/8):1073-1076 (2010)
Original Paper

Carbon isotopes and lignin composition of POC in a small river in Bekanbeushi Moor, northern Japan

Presenter : Nagao S., Aramaki T., Seki O., Uchida M., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1098-1101 (2010)
Original Paper

Preliminary results of radiocarbon monitoring in the surface waters of the North Pacific

Presenter : Aramaki T., Nojiri Y., Mukai H., Kushibashi S., Uchida M., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1222-1225 (2010)
Original Paper

Radiocarbon analysis of BC and OC in PM10 aerosols at Cape Hedo, Okinawa, Japan, during long-range transport events from East Asian countries

Presenter : Handa D., Nakajima H., Arakaki T., Kumata H., Shibata Y., Uchida M.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1125-1128 (2010)
Original Paper

Peat cellulose isotopes as indicators of Asian monsoon variability

Presenter : Hong B., Uchida M., Lenng X.T., Hong Y.T.
Title : , PAGES news, 18(1):18-20 (2010)
Original Paper

High contribution of recalcitrant organic matter to DOC in a Japanese oligotrophic lake revealed by 14C measurements

Presenter : Nara F,, Imai A., Uchida M., Matsushige K., Komatsu K., Kawasaki N., Shibata Y., Amano K., Mikami H., Hanaishi R.
Title : , Radiocarbon, 52(3):1078-1083 (2010)
Original Paper

The effect of rainfall on carbon isotopes of POC in the Teshio River, northern Japan

Presenter : Aramaki T., Nagao S., Nakamura Y., Uchida M., Shibata Y.
Title : , Radiocarbon, 52(2):808-814 (2010)
Original Paper

Spetial distribution of Δ14C values of organic matter in surface sediments off Saru River in northern Japan, one year after a flood event in 2006

Presenter : Nagao S., Irino T., Aramaki T., Ikehara K., Katayama H., Otosaka S., Uchida M., Shibata Y.
Title : , Radiocarbon, 52(3):1068-1077 (2010)
Original Paper

Contrasting diurnal variations in fossil and nonfossil secondary organic aerosol in urban outflow, Japan

Presenter : Morino Y., Takahashi K., Fushimi A., Tanabe K., Ohara T., Hasegawa S., Uchida M., Takami A., Yokouchi Y., Kobayashi S.
Title : , Environ.Sci.Technol. , 44(22):8581-8586 (2010)
Original Paper

High organic carbon deposition in the northern margin of the Aleutian Basin (Bering Sea) before the last deglaciation

Presenter : Khim B.-K., Kim S., Uchida M., Itaki T.
Title : , Ocean Sci.J., 45(4):203-211 (2010)
Original Paper

An interlaboratory study of TEX86 and BIT analysis using high-performance liquid chromatography-mass spectrometry

Presenter : Schouten S., Hopmans E.C., Meer J., Mets A., Bard E., Bianchi T.S., Diefendorf A., Escala M., Freeman K.H., Uchida M.
Title : , Geochem.Geophys.Geosyst., 10(3):Q03012 (2009)
Original Paper

A new application of radiocarbon ((14)C) concentrations to stream food web analysis

Presenter : Ishikawa, N.F., Uchida M., Shibata Y., Tayasu, I.
Title : , Nucl.Instrum.Methods Phys.Res., B, 268(7/8):1175-1178 (2009)
Original Paper

Late Pleistocene stratigraphy and palaeoceanographic implications in northern Bering Sea slope sediments: evidence from the radiolarian species Cycladophora davisiana

Presenter : ITAKI T., Uchida M., KIM S., SHIN H., TADA R., KHIM B.
Title : , J.Quat.Sci., 24(8):856-865 (2009)
Original Paper

Radiocarbon-based source apportionment of black carbon(BC) in PM10 aerosols from residential area of suburban Tokyo

Presenter : Uchida M., Kumata H., Koike Y., Tsuzuki M., Uchida T., Fujiwara K., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1120-1124 (2009)
Other Publications

Radiocarbon analysis of aldehydes in indoor air for source apportionment

Presenter : Kuramata M., Shinohara N., Yoshinaga J., Yoneda M., Seyama H., Uchida M., Shibata Y.
Title : , 10th Symp.Jpn.AMS Soc.Proc., 307-310 (2008)

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Holocene dynamics of the Indian summer monsoon inferred from a high-resolution peat α-cellulose δ18O record on the Tibetan Plateau

Presenter : Wang J., Peng H., Uchida M., Zhao H., Ding H., Yao H., Li Z., Hong B., Hong Y.
Title : , Quaternary Science Reviews, 342(15): (2024)
Radiocarbon ages of plant remains in massive ground ice and underlying sediments of the barrow permafrost tunnel, Alaska

Presenter : Iwahana G., Uchida M., Horiuchi K., Deming J., Eicken H., Ohno H., Mantoku K., Kobayashi T., Saito K.
Title : , Radiocarbon, 66(5):879-891 (2024)
Characterization of fine carbonaceous aerosols from the eastern Mediterranean: Contributions of Fossil and Non-Fossil Carbon Sources

Presenter : Pavuluri C.M., Mihalopoulos N., Uchida M., Mantoku K., Kobayashi T., Fu P., Kawamura K.
Title : , Radiocarbon, 66(5):958-972 (2024)
Source apportionment of atmospheric and sedimentary PAHs from Kolkata, India using compound-class-specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Saitoh S., Mantoku K., Kobayashi T., Okuda T., Nakajima F., Hatakeyama S., Shibata Y., Takada H.
Title : , Radiocarbon, 66(5):892-903 (2024)
Ultra small mass AMS 14C sample preparation and analyses at NIES-TERRA AMS facility

Presenter : Uchida M., Mantoku K., Kobayashi T.
Title : , Nuclear Inst. and Methods in Physics Research, B, 536:144-153 (2023)
Source apportionment of black carbon aerosols by isotopes (14C and 13C) and Bayesian modeling from two remote islands in east Asian outflow region

Presenter : Uchida M., Mantoku K., Kumata H., Kaneyasu N., Handa D., Arakaki T., Kobayashi T., Hatakeyama S., Shibata Y., Kawamura K.
Title : , Nuclear Instruments and Methods in Physics Research B, 538:64-74 (2023)
Projections of surface air temperature required to sustain permafrost and importance of adaptation to climate change in the Daisetsu Mountains, Japan

Presenter : Yokohata T., Iwahana G., Sone T., Ishizaki N., Kubo T., Oguma H., Uchida M.
Title : , Scientific reports, 11(15518): (2021)
Abrupt climate variability since the last deglaciation based on a high-resolution peat dust deposition record from southwest China

Presenter : Peng H., Bao K., Yuan L., Uchida M., Cai C., Zhu Y., Hong B., Guo Q., Ding H., Yao H., Hong Y.
Title : , QUATERNARY SCIENCE REVIEWS, 252(106749): (2021)
Reduced bioavailability of polycyclic aromatic hydrocarbons (PAHs) in sediments impacted by carbon manufacturing plant effluent: Evaluation by ex situ passive sampling method

Presenter : Endo S., Yoshimura M., Kumata H., Uchida M., Yabuki Y., Nakata H.
Title : , Environmental Pollution, 256(113448): (2020)
Millennial-scale variability of East Asian summer monsoon inferred from sea surface salinity in the northern East China Sea (ECS) and its impact on the Japan Sea during Marine Isotope Stage (MIS) 3

Presenter : Kubota Y., Mimoto K., Tada R., Uchida M., Ikehara K.
Title : , Progress in Earth and Planetary Science, 6(39): (2019)
Organic carbon aging during across-shelf transport

Presenter : Bao R., Uchida M., Montlucon D., McNichol A., Hayes J.M., Eglinton T.I.
Title : , Geophysical research letter (2018)
Diurnal variations of fossil and nonfossil carbonaceous aerosols in Beijing

Presenter : Morino Y., Ohara T., Xu J., Hasegawa S., Zhao B., Fushimi A., Tanabe K., Kondo M., Uchida M., Yamaji K., Yang L., Song S., Dong W., Wu Y., Wang S., Hao J.
Title : , Atmospheric Environment, 122:349-356 (2015)
Radiocarbon ages of insects and plants frozen in the No. 31 Glacier, Suntar-Khayata Range, eastern Siberia

Presenter : Nakazawa F., Uchida M., Kondo M., Kadota T., Shirakawa T., Enomoto H., Fedorov A.N., Fujisawa Y., Konstantinov P.Y., Kusaka R., Miyairi M., Ohata T., Yabuki H.
Title : , Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 361:574-579 (2015)
A Southern Ocean trigger for Northwest Pacific ventilation during the Holocene?

Presenter : Rella S., Uchida M.
Title : , Scientific Reports, 4(4046): (2014)
Response of the Bering Sea to 11-year solar irradiance cycles during the Bølling-Allerød

Presenter : Katsuk K., Itaki T., Uchida M., Toda R.
Title : , Geophysical Research Letters, 41(8):2892-2898 (2014)
Increasing summer rainfall in arid eastern-Central Asia over the past 8500 years

Presenter : Hong B., Gasse F., Uchida M., Hong Y., Leng X., Shibata Y., An A., Zhu Y., Wang Y.
Title : , Scientific Reports, 4(5279): (2014)
Carbon storage reseroirs in watersheds support stream food webs via periphyton production

Presenter : Ishikawa N, Uchida M., Shibata Y., Tayasu I.
Title : , Ecology, 95(5):1264-1271 (2014)
Changes in soil aggregate carbon dynamics under no-tillage with respect to earthworm biomass revealed by radiocarbon analysis

Presenter : Arai M., Tayasu I., Komatsuzaki M., Uchida M., Kaneko N.
Title : , Soil & Tillage Research, 126:42-49 (2013)
Contributions of detrital subsidies to aboveground spiders during secondary succession, revealed by radiocarbon and stable isotope signatures

Presenter : Haraguchi T.F. , Uchida M., Shibata Y., Tayasu I.
Title : , Oecologia, 171(4):935-944 (2013)
Black humic acid dynamics during natural reforestation of Japanese pampas grass (Miscanthus sinensis)

Presenter : Iimura Y., Fujimoto M., Tamura K., Higashi T., Kondo M., Uchida M., Yonebayashi K., Fujitake N.
Title : , Soil Biology & Biochemistry, 57:60-67 (2013)
Latitudinal distribution of soil CO2 efflux and temperature along the Dalton Highway, Alaska

Presenter : Kim Y., Kim S.D., Enomoto H., Kishida K., Kondo M., Uchida M.
Title : , Polar Science (2013)
Changes in soil aggregate carbon dynamics under no-tillage with respect to earthworm biomass revealed by radiocarbon analysis

Presenter : Arai M., Tayasu I., Uchida M., Shibata Y., Kaneko N.
Title : , Soil and Tillage Research, 126:42-49 (2013)
Enhanced modern carbon and biogenic organic tracers in Northeast Asian aerosols during spring/summer

Presenter : Pavuluri C.M., Kawamura K., Uchida M., Kondo M., Fu P.
Title : , Journal of Geophysical Research: Atmospheres , 118:1-10 (2013)
Inorganic Chemical Characterization of Aerosols in Four Asian Mega-Cities

Presenter : Okuda T., Takada H., Kumata H., Nakajima F., Hatakeyama S., Uchida M., Tanaka S., He K., Ma Y.
Title : , Aerosal and Air Quality Research, 13(2):436-449 (2013)
Variation of Δ14C and δ13C values of dissolved humic and fulvic acids in the Tokachi River System in the northern Japan

Presenter : Nagao S., Aramaki T., Fujitake N., Kodama H., Tanaka T., Ochiai S., Uchida M., Shibata Y., Yamamoto M.
Title : , RADIOCARBON, 55(2-3):1007-1016 (2013)
Intercomparison of 14C Analysis of Carbonaceous Aerosols: Exercise 2009

Presenter : Szidat S., Bench G., Bernardoni V., Calzolai G., Czimczik C.I., Derendorp L., Dusek U., Elder K., Fedi M.E., Genberg J., Gustafsson Ö., Kirillova E., Kondo M., McNichol A.P., Perron P., Santos G.M., Stenström K., Swietlicki E., Uchida M., Vecchi R., Wacker L., Zhang Y.L., Prévôt A.S.H.
Title : , Radiocarbon, 55(2-3):1496-1506 (2013)
Deviations between observed and RothC-simulated Δ14C values despite improved IOM initialization

Presenter : Shirato Y., Jomura M., Wagai R., Kondo M., Tanabe K., Uchida M.
Title : , European Journal of Soil Science, 64(5):576-585 (2013)
Archaeal and bacterial abundance, cell volume, and biomass in the Pacific sector of the Arctic ocean

Presenter : Amamo-Sato C., Akiyama S., Uchida M., Li Q., Utsumi M.
Title : , Journal of Bioindustrial Science, 2(1):1-7 (2013)
The effect of the feedback cycle between the soil organic carbon and the soil hydrologic and thermal dynamics

Presenter : Mori Kensuke, Ise Takeshi, Kondo M., Kim Yongwon, Enomoto Hiroyuki, Uchida M.
Title : , Open Journal of Ecology, 2(2):90-95 (2012)
Millennial-scale variations of late Pleistocene radiolarian assemblages in the Bering Sea related to environments in shallow and deep waters

Presenter : Itaki T., Kim S., Rella S. F. , Uchida M., Tada R., Khim B.K.
Title : , Deep Sea Research Part II: Topical Studies in Oceanography, 61-64:127-144 (2012)
Biogeochemical processes involving acetate in sub-seafloor sediments from the Bering Sea shelf break

Presenter : Ijiri A., Harada N., Hirota A., Ogawa N.O., Itaki T., Khim B.K., Uchida M.
Title : , Organic Geochemistry, 48:47-55 (2012)
Abrupt changes of intermediate water properties on the northeastern slope of the Bering Sea during the last glacial and deglacial period

Presenter : Rella S. F. , Tada R., Nakashima K., Ikehara M., Itaki T., Ohkushi K., Sakamoto T., Harada N., Uchida M.
Title : , Paleoceanography, 27:3203 (2012)
Sedimentary organic matter variations in the Chukchi Borderland over the last 155 kyr

Presenter : Rella S. , Uchida M.
Title : , Biogeosci.Discuss, 8:2259-2280 (2011)
Millennial-scale variations of late Pleistocene radiolarian assemblages in the Bering Sea related to environments in shallow and deep waters

Presenter : Itaki T., Kim S., Rella S. , Uchida M., Tada R., Khim B.-K.
Title : , Deep Sea Research II, 61-64:127-144 (2011)
Carbon isotope composition of dissolved humic and fulvic acids in the Tokachi River system

Presenter : Nagao S., Kodama H., Aramaki T., Fujitake N., Uchida M., Shibata Y.
Title : , Radiation Protection Dosimetry, 146(1-3):322-325 (2011)
Radiocarbon (14C) diurnal variations in fine particles at sites downwind from Tokyo, Japan in summer

Presenter : Fushimi A., Rota Wagai, Uchida M., Hasegawa S., Takahashi K., Kondo M., Hirabayashi M., Morino Y., Shibata Y., Ohara T., Kobayashi S., Tanabe K.
Title : , Environmental Science and Technology, 45(16):6784-6792 (2011)
Quick Recovery of Carbon Dioxide Exchanges in a Burned Black Spruce Forest in Interior Alaska

Presenter : Iwata H., Ueyama M., Harazono Y., Tsuyuzaki S., Kondo M., Uchida M.
Title : , SOLA, 7:105-108 (2011)
Millennial-scale paleoceanographic events and implication for the intermediate-water ventilation in the northern slope area of the Bering Sea during the last 71 kyrs

Presenter : Kim S., Khim B.K., Uchida M., Itaki T., Tada R.
Title : , Global and Planetary Change, 79(1-2):89-98 (2011)
Natural C-14 provides new data for stream food-web studies: a comparison with C-13 in multiple stream habitats

Presenter : Ishikawa N.F., Uchida M., Shibata Y., Ichiro
Title : , Marine and Freshwater Research, 63:210-217 (2011)
Sedimentary organic matter and carbonate variations in the Chukchi Borderland in association with ice sheet and ocean-atmosphere dynamics over the last 155 kyr

Presenter : Rella S. , Uchida M.
Title : , Biogeosciences, 8(12):1-9 (2011)
Radiocarbon-based residence time estimates of soil organic carbon in a temperate forest: Case study for the density fractionation for Japanese volcanic ash soil

Presenter : Kondo M., Uchida M., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.B, 268(7/8):1073-1076 (2010)
Carbon isotopes and lignin composition of POC in a small river in Bekanbeushi Moor, northern Japan

Presenter : Nagao S., Aramaki T., Seki O., Uchida M., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1098-1101 (2010)
Preliminary results of radiocarbon monitoring in the surface waters of the North Pacific

Presenter : Aramaki T., Nojiri Y., Mukai H., Kushibashi S., Uchida M., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1222-1225 (2010)
Radiocarbon analysis of BC and OC in PM10 aerosols at Cape Hedo, Okinawa, Japan, during long-range transport events from East Asian countries

Presenter : Handa D., Nakajima H., Arakaki T., Kumata H., Shibata Y., Uchida M.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1125-1128 (2010)
Peat cellulose isotopes as indicators of Asian monsoon variability

Presenter : Hong B., Uchida M., Lenng X.T., Hong Y.T.
Title : , PAGES news, 18(1):18-20 (2010)
High contribution of recalcitrant organic matter to DOC in a Japanese oligotrophic lake revealed by 14C measurements

Presenter : Nara F,, Imai A., Uchida M., Matsushige K., Komatsu K., Kawasaki N., Shibata Y., Amano K., Mikami H., Hanaishi R.
Title : , Radiocarbon, 52(3):1078-1083 (2010)
The effect of rainfall on carbon isotopes of POC in the Teshio River, northern Japan

Presenter : Aramaki T., Nagao S., Nakamura Y., Uchida M., Shibata Y.
Title : , Radiocarbon, 52(2):808-814 (2010)
Spetial distribution of Δ14C values of organic matter in surface sediments off Saru River in northern Japan, one year after a flood event in 2006

Presenter : Nagao S., Irino T., Aramaki T., Ikehara K., Katayama H., Otosaka S., Uchida M., Shibata Y.
Title : , Radiocarbon, 52(3):1068-1077 (2010)
Contrasting diurnal variations in fossil and nonfossil secondary organic aerosol in urban outflow, Japan

Presenter : Morino Y., Takahashi K., Fushimi A., Tanabe K., Ohara T., Hasegawa S., Uchida M., Takami A., Yokouchi Y., Kobayashi S.
Title : , Environ.Sci.Technol. , 44(22):8581-8586 (2010)
High organic carbon deposition in the northern margin of the Aleutian Basin (Bering Sea) before the last deglaciation

Presenter : Khim B.-K., Kim S., Uchida M., Itaki T.
Title : , Ocean Sci.J., 45(4):203-211 (2010)
An interlaboratory study of TEX86 and BIT analysis using high-performance liquid chromatography-mass spectrometry

Presenter : Schouten S., Hopmans E.C., Meer J., Mets A., Bard E., Bianchi T.S., Diefendorf A., Escala M., Freeman K.H., Uchida M.
Title : , Geochem.Geophys.Geosyst., 10(3):Q03012 (2009)
A new application of radiocarbon ((14)C) concentrations to stream food web analysis

Presenter : Ishikawa, N.F., Uchida M., Shibata Y., Tayasu, I.
Title : , Nucl.Instrum.Methods Phys.Res., B, 268(7/8):1175-1178 (2009)
Late Pleistocene stratigraphy and palaeoceanographic implications in northern Bering Sea slope sediments: evidence from the radiolarian species Cycladophora davisiana

Presenter : ITAKI T., Uchida M., KIM S., SHIN H., TADA R., KHIM B.
Title : , J.Quat.Sci., 24(8):856-865 (2009)
Radiocarbon-based source apportionment of black carbon(BC) in PM10 aerosols from residential area of suburban Tokyo

Presenter : Uchida M., Kumata H., Koike Y., Tsuzuki M., Uchida T., Fujiwara K., Shibata Y.
Title : , Nucl.Instrum.Methods Phys.Res.,B, 268(7/8):1120-1124 (2009)

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Radiocarbon analysis of aldehydes in indoor air for source apportionment

Presenter : Kuramata M., Shinohara N., Yoshinaga J., Yoneda M., Seyama H., Uchida M., Shibata Y.
Title : , 10th Symp.Jpn.AMS Soc.Proc., 307-310 (2008)

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Research Result (Presentation)

Research Presentation

Radiocarbon Dates of Ground Ice in Central Yakutia, Russia: A Comparison Between Different Carbon Fractions

Presenter : Iwahana G., Minami M., Yang J. W., Ahn J., Desyatkin A., Fedorov A. N., Uchida M., Saito K., Hiyama T.
Name of Society : Busan IAMAS-IACS-IAPSO Joint Assembly 2025 (2025)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon Dating of Organic Matters in Permafrost Sediments on the Sevuokuk Mountain, St. Lawrence Island

Presenter : Iwahana G., Uchida M., Saito K.
Name of Society : 25th Radiocarbon conference (2025)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon ages of plant remains in massive ground ice and underlying sediments of the Barrow Permafrost Tunnel

Presenter : Iwahana G., Uchida M., Horiuchi K., Deming J., Eicken H., Ohno H., Mantoku K., Kobayashi T., Saito K.
Name of Society : 12th International conference on permafrost (ICOP) (2024)
Name of Proceedings : Abstracts
Research Presentation

Was the increasing temperature of mid-depth warm Atlantic water triggering the sub-sea permafrost and methane hydrate instability in the Alaskan Beaufort margin during the late Holocene?

Presenter : Uchida M., Mantoku K., Kubota Y., Yamada K., Yamaguchi K., Kumata H., Rella S., Kobayashi T., Nishino S., Itoh M.
Name of Society : Japan Geoscience Union Meeting (JpGU) 2024 (2024)
Name of Proceedings : Abstracts
Research Presentation

Spatial variability in permafrost degradation after wildfires in the Kougarok area, Seward Peninsula

Presenter : Iwahana G., Busey R., Breen A., Zwieback S., Muskett R., Saito K., Ohno H., Uchida M., Harada K.
Name of Society : 2024 AGU Fall Meeting (2024)
Name of Proceedings : Abstracts
Research Presentation

Sea ice variability on the Chukchi Borderland during the Late Pleistocene: the implication from IP25 and 10Be records

Presenter : Uchida M., Kumata H., Mantoku K., Amano C., Utsumi M., Horiuchi K., Yamaguch T., Matsuzaki H., Yamagata T., Itoh M., Nishino S., Shimada K.
Name of Society : 2024 AGU Fall Meeting (2024)
Name of Proceedings : Abstracts
Research Presentation

Was the increasing temperature of mid-depth warm Atlantic water triggering the methane hydrate instability in the Alaskan Beaufort margin during the late Holocene?

Presenter : Uchida M., Mantoku K., Kubota Y., Kumata H., Yamada K., Rella S., Kobayashi T., Itoh M., Nishino S.
Name of Society : 2024 AGU Fall Meeting (2024)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon-based source apportioning of organic carbon aerosols over Mt. Tai and Mangshan, China: A case study from the 2006-2007 sampling campaign

Presenter : Liu S., Uchida M., Mantoku K., Kobayashi T., Kawamura K.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon Dating of an Alpine Plant Leaf Found in Permafrost on the Daisetsu Mountains, Hokkaido, Japan

Presenter : Iwahana G., Uchida M.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Research Presentation

Source apportionment of sedimentary PAHs in Sakudrada Moat of Imperial Palace, Tokyo using compound-specific radiocarbon analysis

Presenter : Uchida M., Mantoku K., Kanke H., Kobayashi T., Okuda T., Kumata H., Yoneda M., Shibata Y., Takada H.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Research Presentation

Status and recent progress of the AMS system at NIES-TERRA

Presenter : Uchida M., Kobayashi T., Mantoku K., Matsuzaki H., Tokuyama H., Yamagata T., Fujita N.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Research Presentation

Fossil and Non-Fossil Carbon Contents in the Tropical Indian Aerosols

Presenter : Pavuluri C. M., Uchida M., Mantoku K., Fu P., Kobayashi T., Kawamura K.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Research Presentation

Sea ice variability on the Chukchi Sea during the Late Pleistocene

Presenter : Uchida M., Kumata H., Mantoku K., Rella S., Amano C., Kuroki Y., Utumi M., Itoh M., Nishio S., Shimada K.
Name of Society : Seventh International Symposium for Arctic Research (ISAR-7) (2023)
Name of Proceedings : Abstracts
Research Presentation

Black carbon and their isotopic signatures in permafrost soil in Ny-Alesund, Svalbard: Implication of sources and fate under changing Arctic climate

Presenter : Uchida M., Kumata H., Mantoku K., Uchida M., Uthumi M., Kaneko R., Nakai R., Kobayashi T., Iwahana G., Shibata Y., Kawamura K.
Name of Society : Seventh International Symposium for Arctic Research (ISAR-7) (2023)
Name of Proceedings : Abstracts
Research Presentation

Optically stimulated luminescence dating of marine sediments from the Bering Sea

Presenter : Sugisaki S., Buylaert J.M., Murray A., Uchida M., Rella S., Mantoku K., Sakai S., Harada N., Tada R.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Research Presentation

Sedimentary environment and depositional process of reworked materials in the subaqueous Yangtze Delta during the middle and late Holocene

Presenter : Wang K., Saito K., Tada R., Irino T., Zheng H., Sugisaki S., Uchida M.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Research Presentation

Characterization of Carbonaceous Components and Fossil and Non-Fossil Carbon Contents in Fine Aerosols in the Eastern Mediterranean Troposphere

Presenter : Pavuluri C.M., Mihalopoulos N., Uchida M., Mantoku K., Fu P.Q., Kawamura K.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Research Presentation

Abundance of Non-Fossil Carbon Content in the Tropical Indian Carbonaceous Aerosols

Presenter : Pavuluri C.M., Uchida M., Mantoku K., Fu P.Q., Kawamura K.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Research Presentation

Source apportionment of atmospheric and sedimentary PAHs from Kolkata, India by using compound-class-specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Mantoku K., Kobayashi T., Okuda T., Shibata Y., Takada H.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon age of plant remains in massive ground ice of the Barrow Permafrost Tunnel, Alaska

Presenter : Iwahana G., Uchida M., Mantoku K., Kobayashi T.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Research Presentation

Characterization of Fossil and Contemporary Carbon Contents in Submicron Atmospheric Aerosols in the Eastern Mediterranean

Presenter : Pavuluri C.M., Mihalopoulos N., Uchida M., Mantoku K., Fu P.Q., Kawamura K.
Name of Society : 11th International Aerosol Conference (2022)
Name of Proceedings : Abstracts
Research Presentation

Age offsets between marine-derived lipid biomarkers, TOC, and foraminifera during cross shelf-slope lateral transport revealed by compound-specific radiocarbon dating

Presenter : Uchida M., Eglinton T.I., Mollenhauer G., Montlucon D., Hayes J.M., Coppola L., Gustafsson O., Mantoku K., Ahagon N., Harada N.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Research Presentation

Isotopic signatures of fine organic aerosol in the deciduous forest and photosynthetic isotopic discrimination: Insights from compound-specific radiocarbon analysis

Presenter : Uchida M., Mantoku K., Kobayashi T.
Name of Society : 24th radiocarbon conference (2022)
Name of Proceedings : -
Research Presentation

InSAR and ground surveys of surface displacement caused by ground freeze/thaw and thermokarst at intact and disturbed tundra on the North Slope, Alaska

Presenter : Iwahana G., Busey R., Muskett R., Zwieback S., Meyer F., Ohno H., Uchida M., Saito K.
Name of Society : NASA ABoVE 8th Science Team Meeting (ASTM-8) (2022)
Name of Proceedings : -
Research Presentation

Fine-scale ground truth of ground displacement in the Anaktuvuk River Fire (ARF) for satellite and airborne L-band SAR

Presenter : Iwahana G., Busey R., Muskett R., Zwieback S., Meyer F., Ohno H., Uchida M., Saito K.
Name of Society : 16th International Circumpolar Remote Sensing Symposium (2022)
Name of Proceedings : -
Research Presentation

Fine-scale ground truth of ground displacement in the Anaktuvuk River Fire (ARF) for satellite and airborne L-band SAR

Presenter : Iwahana G., Busey R., Muskett R.R., Zwieback S., Meyer F.J., Ohno H., Uchida M., Saito K.
Name of Society : AGU Fall Meeting 2021 (2021)
Name of Proceedings : -
Research Presentation

Radiocarbon-based carbon source apportionment of black carbon and organic carbon in carbonaceous aerosols in Asian outflow

Presenter : Uchida M., kumata H., Kaneyasu N., Mantoku K., Handa D., Arakaki T., Kawamura K., Shibata Y.
Name of Society : The 15th International Conference on Accelerator Mass Spectrometry (2021)
Name of Proceedings : -
Research Presentation

Improvements for ultra-microscale radiocarbon measurements at NIES-TERRA

Presenter : Uchida M., Mantoku K., Kobayashi T.
Name of Society : The 15th International Conference on Accelerator Mass Spectrometry (2021)
Name of Proceedings : -
Research Presentation

Changes in surface conditions and permafrost environment of a summit area of the Daisetsu Mountains, Hokkaido, Japan

Presenter : Iwahana G., Sone T., Uchida M., Yokohata T.
Name of Society : Japan Geosicence Union, American Geophysical Union Joint meeting 2020 (2020)
Name of Proceedings : -
Research Presentation

Permafrost degradation after the Anaktuvuk River Fire (ARF) measured by field surveys and L-band SAR interferometry

Presenter : Iwahana G., Ohno H., Uchida M., Yokohata T., Saito K.
Name of Society : Sixth International Symposium on Arctic Research (2020)
Name of Proceedings : Abstract
Research Presentation

Evidence of Heterotrophic Microbial Decomposition of Preaged Carbon in Arctic soil; Implications from radiocarbon analysis of phospholipid fatty acids (PLFAs)

Presenter : Uchida M.
Name of Society : The 23rd International Radiocarbon Conference (2018)
Research Presentation

The trans-Arctic water 14C sections from Mirai and NABOS cruises: reconstruction of surface-mid-deepwater ventilation ages and their comparison of past 14C inventory data

Presenter : Uchida M., Kumamoto Y., Polyakov I., Murata M., Ivanov V., Rozman P., Kim Y., Utsumi M.
Name of Society : The 23rd International Radiocarbon Conference (2018)
Research Presentation

Spatial Variation in Thermokarst Subsidence after the Anaktuvuk River Fire on the North Slope, Alaska

Presenter : Iwahana G. , Muskett R.R. , Saito K. , Ohno H. , Yokohata T., Uchida M., Busey R.
Name of Society : AGU FALL MEETING 2018 (2018)
Name of Proceedings : Abstracts
Research Presentation

High Abundance of Non-Fossil Derived Organics in Fine Aerosols in the Eastern Mediterranean Troposphere

Presenter : PAVULURI C. M., MIHALOPOULOS N., Uchida M., Fu P., Liu C., Kawamura K.
Name of Society : SPARC General Assembly 2018 (2018)
Research Presentation

Continental margins as organic matter “aging factories”

Presenter : Bao R., Uchida M., McNichol A., Zhao M., Haghipour N., Montlucon D.B., Eglinton T.I.
Name of Society : 28th International Meeting on Organic Geochemistry (2017)
Name of Proceedings : Abstracts
Research Presentation

CO2 emission from permafrost soils of Alaska under the freezing/thawing condition

Presenter : Kondo M., Uchida M., Yonemura S., Iwahana G., Kim Y., Fujitake N., Enomoto H., Tanabe K., Yoshikawa K.
Name of Society : Goldschmidt Conference 2016 (2017)
Name of Proceedings : Abstracts, 1578
Research Presentation

Installation and current status of CAMS system at NIES

Presenter : Osonoi Y., Terao Y., Mukai H., Aramaki T., Kondo M., Uchida M., Kobayashi T., Shibata Y.
Name of Society : 18th WNO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT) (2015)
Name of Proceedings : Abstracts
Research Presentation

THE RATE OF PERMAFROST CO2 AND METHANE RELEASE UNDER AEROBIC AND ANAEROBIC CONDITIONS USING A SPECIALLY DESIGNED LOWER TEMPERATURE CONTROLLED INCUBATION SYSTEM AND ITS POTENTIAL EFFECTS ON WARMING CLIMATE

Presenter : Yonemura S., Uchida M., Kondo M., Iwahana G., Utsumi M., Yoshikawa K., Hinzman L.
Name of Society : Arctic Science Summit Week 2015 (2015)
Name of Proceedings : Abstracts, 399
Research Presentation

INFLUENCE OF THE THAWING PERMAFROST ON METHANE DIFFUSION FLUX FROM LAKES IN THE ALASKAN ARCTIC ZONE

Presenter : Sasaki M., Uchida M., Kondo M., Utsumi M., Yonemura S., Nakayama K.
Name of Society : Arctic Science Summit Week 2015 (2015)
Name of Proceedings : Abstracts, 396
Research Presentation

High risk of permafrost thaw

Presenter : Wang X., Yokozawa M., Arakida H., Mori K., Ise T., Kondo M., Uchida M., Kushida K., Toda M.
Name of Society : The 62nd ESJ annual meeting (2015)
Name of Proceedings : Abstracts
Research Presentation

Quantifying rates of soil organic carbon accumulation in black spruce and tundra ecosystems in Alaska using radiocarbon

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Yoshikawa K., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : the Thirteenth of the AMS (2014)
Name of Proceedings : Abstracts, 141
Research Presentation

Radiocarbon dating of glycerol dibiphytanyl glycerol tetraether lipids (GDGTs) in the western Arctic Ocean sediments

Presenter : Uchida M., Kondo M., Kuroki Y, Amano C., Utsumi M., Shibata Y.
Name of Society : Thirteenth of the AMS (2014)
Name of Proceedings : Abstracts, 148
Research Presentation

14C dating of insects found in a glacier in Suntar-Khayata range, eastern Siberia

Presenter : Nakazawa F., Uchida M., Kondo M., Enomoto H., Fedorov A., Fujisawa Y., Kadota T., Konstantinov P., Kusaka R., Miyairi M., Ohata T., Shirakawa T., Yabuki H.
Name of Society : Thirteenth of the AMS (2014)
Name of Proceedings : Abstracts, 168
Research Presentation

A study of soil organic matter stabilization using physical fraction, isotopic, and spectroscopic approaches

Presenter : Wagai R., Asano M., Hayakawa C., Inoue Y., Kajiura M, Hiradate S., Yamaguchi N., Inagaki Y, Uchida M., Takeichi Y., Suga H., Jinnou M., Ono K., Takahashi Y.
Name of Society : Japan Geoscience Union Meeting 2014 (2014)
Name of Proceedings : Abstracts
Research Presentation

A Southern Ocean trigger for Northwest Pacific ventilation during the Holocene?

Presenter : Rella S., Uchida M.
Name of Society : Japan Geoscience Union Meeting 2014 (2014)
Name of Proceedings : Abstracts
Research Presentation

Shallow water environmental change in the Sea of Japan during the last 30 kyr deduced from foraminiferal isotopes

Presenter : SAGAWA T., Uchida M., Murayama M., Tada R.
Name of Society : Japan Geoscience Union Meeting 2014 (2014)
Name of Proceedings : Abstracts
Research Presentation

Why is soil the largest carbon and nitrogen pool on land?: biogeochemical perspective

Presenter : Wagai R., Asano M., Kajiura M., Hayakawa C., Hiradate S., Uchida M., Inoue Y.
Name of Society : 61st Annual Meeting of Ecological Society of Japan (2014)
Name of Proceedings : Abstracts
Research Presentation

Estimate of permafrost organic carbon balance in Alaskan boreal and tundra ecosystems using natural level radiocarbon.

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : 4th Symposium on Polar Science (2013)
Name of Proceedings : Abstracts
Research Presentation

The Trans-arctic Water 14C Sections from MIRAI and NABOS Cruises: Reconstruction of Surface-Mid-Deep Water Ventilation Ages and Their Comparison of Past 14C Inventory Date

Presenter : Uchida M., Kumamoto Y., Polyakov I., Ivanov V., Rozman P., Utsumi M., Shimada K., Kim Y., Murata M.
Name of Society : 極域科学シンポジウム第4回 (2013)
Name of Proceedings : Abstracts
Research Presentation

Status report of NIES-TERRA: progress of 17 years’ operation and perspectives for next decade

Presenter : Uchida M., Kobayashi T., Kondo M., Aramaki T., Terao Y., Kato F., Mukai H., Shibata Y.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 52
Research Presentation

Source diagnosis of high level atmospheric PAHs from Kolkata and surrounding rural sites by using compound class specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Kurumisawa R., Saito S., Umemura T., Kondo M., Shibata Y., Okuda T., Nakajima F., Hatakeyama S., Takada H.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 73
Research Presentation

Radiocarbon based source apportioning of PM2.5 carbonaceous aerosols at Cape Hedo, Okinawa and Fukue island, Japan

Presenter : Uchida M., Kondo M., Kaneyasu N., Arakaki T., Handa D., Kumata H.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 77
Research Presentation

The belowground C balances in Alaskan boreal and tundra ecosystems:Insights from radiocarbon-based C accumulation rates and turnover times

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 78
Research Presentation

Multibeam bathymetric and sediment profiler evidences for pockmarks and ice grounding scours on the chukchi borderland and beaufort sea

Presenter : Uchida M., Shibahara A.
Name of Society : 19th International symposium on Poler Science (2013)
Name of Proceedings : Abstracts, 190
Research Presentation

Sedimentary organic matter variations in the Chukchi Bordeland over the last 155 KYR

Presenter : Uchida M., Rella S. , Kondo M.
Name of Society : 19th International symposium on Poler Science (2013)
Name of Proceedings : Abstracts, 189
Research Presentation

Turnovertime of soil organic carbon in permafrost using radiocarbon and their application for determining long and short therms carbon balances cas study in Alaskan tundra and boreal forest

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Yoshikawa K., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : 19th International symposium on Poler Science (2013)
Name of Proceedings : Abstracts, 177
Research Presentation

ESTIMATION OF C LOSS BY FIRE IN A BURNED BLACK SPRUCE FOREST IN INTERIOR ALASKA USING RADIOCARBON

Presenter : Kondo M., Uchida M., Shibata Y., Iwata H., Harazono Y.
Name of Society : 3rd International Symposium on the Arctic Research (ISAR-3) (2013)
Name of Proceedings : Abstracts, 126
Research Presentation

THE EFFECT OF THE FEEDBACK CYCLE BETWEEN THE SOIL ORGANIC CARBON AND THE SOIL HYDROLOGIC AND THERMAL DYNAMICS

Presenter : Mori K., Ise T., Kondo M., Kim Y., Enomoto H., Uchida M.
Name of Society : 3rd International symposium on the Arctic Research (2013)
Name of Proceedings : Abstracts, 180
Research Presentation

Sedimentary organic matter and carbonate variations in the chukchi borderland in association with ice sheet and ocean-atmosphere dynamics over the last 155 KYR

Presenter : Rella S. F. , Uchida M.
Name of Society : 3rd International Symposium on the Arctic Research (2013)
Name of Proceedings : Abstracts, 213
Research Presentation

Source Apportionment of EC and OC in Beijing: Comparison between 14C Measurement and Chemical Transport Model

Presenter : Morino Y., Ohara T., Hasegawa S., Fushimi A., Kondo M., Uchida M., Tanabe K., Kazuyo Yamaji, Bin Zhao, Jiayu Xu, Jiming Hao
Name of Society : 2012 IGAC conference (2012)
Name of Proceedings : Abstracts, 197-198
Research Presentation

Variation in ∆14C and ∂13C values of dissolved humic and fulvic acids in the Tokachi river system in northern Japan

Presenter : Nagao S., Aramaki T., Fujitake N., Kodama H., Ochiai S., Uchida M., Shibata Y., Yamamoto M.
Name of Society : 21th International Radiocarbon Conference (2012)
Name of Proceedings : 21th International Radiocarbon Conference abstracts book, 303
Research Presentation

Radiocarbon based organic carbon source identification of soil CO2 under soil warming in a cultivated andisol

Presenter : Kondo M., Uchida M., Kishimoto A., Yonemura S., Wagai R., Jomura M., Shibata Y.
Name of Society : 21st International Radiocarbon Conference (2012)
Name of Proceedings : Abstracts, 534
Research Presentation

Radiocarbon (14C) measurements in fine particles at Beijing and Tokyo

Presenter : Fushimi A., Hasegawa S., Kondo M., Uchida M., Tanabe K., Morino Y., Ohara T., Xu J., Hao J.
Name of Society : Joint Seminar on Formation Mechanism of Photochemical ozone, VOCs, PM2.5 in Mexico, China and Japan (2012)
Name of Proceedings : Abstracts, 36
Research Presentation

Source apportionment of EC and OC in Tokyo and Beijing: comparison between observation and simulation model

Presenter : Morino Y., Ohara T., Hasegawa S., Fushimi A., Kondo M., Uchida M., Tanabe K., Zhao B., Xu J., Hao J.
Name of Society : Joint Seminar on Formation Mechanism of Photochemical ozone, VOCs and PM2.5 in Mexico, China and Japan (2012)
Name of Proceedings : -
Research Presentation

Estimation of Carbon loss by fire in a burned black spruce forest in interior Alaska using radiocarbon

Presenter : Kondo M., Uchida M., Shibata Y., Iwata H., Harazono Y.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
Research Presentation

Sedimentary organic matter and carbonate variations in the Chukchi Borderland in association with ice sheet and ocean-atmosphere dynamics over the last 155 kyr

Presenter : Rella S. F. , Uchida M.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
Research Presentation

CO2, CH4 fluxes and bacterial diversities at terrestrial ecosystem along the trans-Alaska pipeline in tundra and boreal forest, Alaska.

Presenter : Amano S. C., Utsumi M., Uchida M., Kondo M., Adachi M., Yamamoto T.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
Research Presentation

Holocene sedimentary deposits in the Chukchi Shelf north of the Bering Strait and signatures of Bering Sea-derived sediment deposition

Presenter : B.K. Khim, L.D. Keigwin, M.J. Lee, H.G. Cho, N. Harada, Uchida M.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
Research Presentation

Arctic weather in 2012 summer and influences on Arctic Environment

Presenter : Enomoto H., Azuma H.Y., Hayasaka H., Hirabayashi M., Goto-Azuma K., Kadota T., Yabuki H., Ohata T., Takahashi S., Kusaka R., Shirakawa T., Alimasi N., Aoki T., Sugiyama S., Tateyama K., Shimada K., Utsumi M., Uchida M.
Name of Society : 3rd symposium on Polar Science (2012)
Name of Proceedings : Abstracts
Research Presentation

Source Apportionment of EC and OC in Beijing: Comparison between 14C Measurement and Chemical Transport Model

Presenter : Morino Y., Ohara T., Hasegawa S., Fushimi A., Kondo M., Uchida M., Tanabe K., Kazuyo Yamaji, Bin Zhao, Jiayu Xu, Jiming Hao
Name of Society : 2012 AAAR Annual Conference (2012)
Name of Proceedings : Abstracts
Research Presentation

Natural carbon-14 signature provides new data for stream food web studies

Presenter : Ishikawa N.F., Uchida M., Shibata Y., Tayasu I.
Name of Society : 96th ESA Annual Meeting (2011)
Name of Proceedings : Abstracts of 96th ESA Annual Meeting
Research Presentation

Reconstruction of the East Asian summer monsoonal variability in the northern Japan since the last deglaciation based on delta (13)C time series of peat cellulose

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : the 18 INQUA-Congress (2011)
Name of Proceedings : Abstracts of the XVIII INQUA-Congress
Research Presentation

Northwest Pacific mid-depth ventilation changes during the Holocene and their implications for the atmosphere-ocean carbon cycle

Presenter : Stephan R., Uchida M.
Name of Society : the 18 INQUA Congress (2011)
Name of Proceedings : Abstracts of XVIII INQUA Congress
Research Presentation

Multibeam bathymetric and sediment profiler evidences for ice grounding and crater on the Chukchi and Beaufort borderland, Arctic Ocean

Presenter : Uchida M., Shibahara A.
Name of Society : the 18 INQUA Congress (2011)
Name of Proceedings : Abstracts of XVIII INQUA Congress
Research Presentation

Sedimentary organic matter variations in the Chukchi Borderland since the last inter-glacial period

Presenter : Stephan R., Uchida M.
Name of Society : Japan Geoscience Union Meeting 2011 (2011)
Name of Proceedings : Abstracts of Japan Geoscience Union Meeting 2011
Research Presentation

Sedimentary organic matter variations in the Chukchi Borderland since the last interglacial period

Presenter : Rella S. , Uchida M.
Name of Society : Arct.Sci.Summit Week 2011 (2011)
Name of Proceedings : Program, 23
Research Presentation

Alaskan Arctic environmental changes for past 1 ka and implication for Arctic Oscillation and their interaction with Asian monsoon climate

Presenter : Shinozaki T., Uchida M., Kondo M., Utsumi M., Yoshikawa K.
Name of Society : Arct.Sci.Summit Week 2011 (2011)
Name of Proceedings : Program
Research Presentation

Vegetation recovery, changes in fluxes and micrometeorology after wildfire of a black spruce forest on permafrost in Alaska

Presenter : Harazono Y., Iwata H., Ueyama M., Tsuyuzaki S., Uchida M., Kondo M., Takahashi Y., Utsumi M.
Name of Society : ISAM 2011 (2011)
Name of Proceedings : Program of ISAM 2011
Research Presentation

Compound Class Specific Radiocarbon Analysis (CCRSA) of PAHs from Highly Contaminated Kolkata Canal Sediments

Presenter : Saha M., Kumata H., Uchida M., Takada H.
Name of Society : Accelerator Mass Spectrometry 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry 2011
Research Presentation

Radiocarbon Based Organic Carbon Source Identification of Soil Respired CO2 under Soil Warming in a Cultivated Andisol

Presenter : Kondo M., Uchida M., Kishimoto A., Yonemura S., Wagai R., Jomura M., Shirato Y., Shibata Y.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Research Presentation

Radiocarbon Dating of Peat Archives Using Plant Cellulose for the Reconstruction of Past Environmental Changes

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry conference 2011
Research Presentation

Constraining radiocarbon signature of soil organic matter in Alaskan Arctic soil: Implication for importance basis examining the impact of climate warming on CO2 release

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Takahashi Y., Adachi M., Shibata Y.
Name of Society : Arct.Sci.Summit Week 2011 (2011)
Name of Proceedings : Program, 21
Research Presentation

Recent advances of radiocarbon measurements at NIES TERRA

Presenter : Uchida M., Kondo M., Iida N. , Shinozaki T., Matsuda A., Minoura Y., Shibata Y.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Research Presentation

Northwest Pacific mid-depth ventilation changes during the Holocene and their link to global climate changes

Presenter : Rella S. , Uchida M.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Research Presentation

Constructing a Depth-Stratified Model for Soil Organic Carbon: a Brand-new, Integrated Ecosystem Model with Radiocarbon Tracking

Presenter : Ise T., Kano N., Enomoto H., Kondo M., Uchida M.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Research Presentation

Radiocarbon Diurnal Variations in Fine Particles at Sites Downwind from Tokyo, Japan in Summer

Presenter : Fushimi A., Rota Wagai, Uchida M., Hasegawa S., Takahashi K., Kondo M., Motohiro Hirabayashi, Morino Y., Shibata Y., Ohara T., Kobayashi S., Tanabe K.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 188-189
Research Presentation

Enhanced biogenic organic aerosols in spring and summer over Northeast Asia: Evidence from radiocarbon and organic tracer analyses

Presenter : Kawamura K., Pavuluri C.M., Uchida M., Fu P.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 173-175
Research Presentation

Sedimentary process of the latest Pleistocene to Holocene incised-valley fills under Tokyo area, central Japan

Presenter : Komatsubara J., Nakashima R., Kimura K., Uchida M., Kondo M., Shibata Y.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 186-187
Research Presentation

Source diagnosis of PAHs from Kolkata canal sediments by using compound class specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Kondo M., Shibata Y., Takada H.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 192-193
Research Presentation

Radiocarbon Signature of Soil Organic Carbon in Tundra and Boreal Forests, Northern Alaska

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Adachi M., Shibata Y.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 194-195
Research Presentation

Constructing a depth-stratified model for soil organic carbon: dynamics of past, current, and future accumulation and decomposition

Presenter : Ise T., Kato N., Enomoto H., Kondo M., Uchida M.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of National Institute of Polar Research, 196-197
Research Presentation

Investigation of carbon turnover and CO2 evolution in soil organic carbon from Japanese forest soils: Insight from radiocarbon analysis of soil density fractions and soil respired CO2

Presenter : Kondo M., HOSHINO A., Murayama S., Shinozaki T., Wagai R., Shibata Y., Uchida M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts of AGU Fall Meeting 2011
Research Presentation

Vertical profile and components of marine planktonic archaea in the Pacific sector of the Arctic Oceean

Presenter : Akiyama S., Amano S. C., Uchida M., Utsumi M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
Research Presentation

The trans-Arctic water 14C sections from Mirai and NABOS cruises: reconstruction of surface-mid-deepwater ventilation ages and their comparison of past 14C inventory data

Presenter : Uchida M., Kumamoto Y., Polyakov I, Utsumi M., Kim Y., Rozman P., Murata M., Shibata Y.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 184-185
Research Presentation

Nature of organo-mineral particles across density fractions in a volcanic-ash soil: air-drying and sonication effect

Presenter : Wagai R., Kajiura M., Shirato Y., Uchida M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
Research Presentation

Distribution and structure of pranktonic Archaea in the Arctic Ocean using 2008 – 2010 R/V Mirai cruise samples

Presenter : Amano S. C., Akiyama S., Uchida M., Utsumi M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
Research Presentation

Reconstruction of Alaskan Arctic environmental changes for past 1 ka using δ13C of peat cellulose and their 14C wiggle-match dating

Presenter : Shinozaki T., Uchida M., Kondo M., Yoshikawa K., Nomoto S., Utsumi M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
Research Presentation

NIES atmospheric radiocarbon (14CO2) measurements

Presenter : Terao Y., Mukai H., Kitagawa H., Nojiri Y., Uchida M., Shibata Y., Aramaki T.
Name of Society : The 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2011) (2011)
Name of Proceedings : Abstracts of The 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2011)
Research Presentation

Can measurable soil carbon pools be matched with conceptual compartments in the Rothamsted carbon model?

Presenter : Shirato Y., Jomura M., Wagai R, Uchida M., Kondo M.
Name of Society : East and Southeast Asia Federation of Soil Science Societies (2011)
Name of Proceedings : Abstracts of East and Southeast Asia Federation of Soil Science Societies
Research Presentation

Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis of phospholipid fatty acids (PLFAs)

Presenter : Uchida M., Kondo M., Uchida M., Takahashi Y., Utsumi M., Kumata H., Shibata Y.
Name of Society : 10th Ny-Alesund Seminar (2011)
Name of Proceedings : Abstracts, 74
Research Presentation

Isotopic signatures of soil organic carbon and its relation to vegetation in a successional glacier foreland in Ny-Alesund, Svalbard

Presenter : Kondo M., Uchida M., Uchida M., Ohtsuka T., Yoshiake S., Kanda H., Koizumi H., Nakatsubo T., Shibata Y.
Name of Society : 10th Ny-Alesund Seminar (2011)
Name of Proceedings : Abstracts of The 10th Ny-Alesund Seminar, 73
Research Presentation

Sedimentary process of the latest pleistocene to holocene incised-valley fills under Tokyo area, central Japan

Presenter : Komatsubara J., Nakashima R., Kimura K., Uchida M., Kondo M., Shibata Y.
Name of Society : 18th Int.Sedimentol.Congr. (2010)
Name of Proceedings : Abstracts
Research Presentation

Millennial-scale variations of the late Pleistocene radiolarians in the Bering Sea related to environments in shallow and deep waters

Presenter : Itaki T, Kim S., Rella S. , Uchida M., Tada R., Khim B.-K.
Name of Society : 10th Int.Conf.Paleoceanogr. (2010)
Name of Proceedings : Abstracts
Research Presentation

Heterotrophic microbial decomposition of soil ancient carbon in Norway Arctic; First evidence from molecular level natural radiocarbon analysis

Presenter : Uchida M., Uchida M., Kondo M., Shibata Y.
Name of Society : Organic matter stabilization and ecosystem functions SOM 2010 (2010)
Name of Proceedings : Program, 170
Research Presentation

Investigation of carbon turnover and CO2 evolution in soil organic carbon from Japanese forest soils: Insight from radiocarbon analysis of soil density fractions and soil respired CO2

Presenter : Kondo M., Uchida M., Murayama S., Shinozaki T., Shibata Y.
Name of Society : Organic matter stabilization and ecosystem functions (2010)
Name of Proceedings : Abstracts of Organic matter stabilization and ecosystem functions, 70
Research Presentation

Snow conditions in Northern Alaska and possible influences on soil-carbon-dynamic-related carbon assimilation and CO2 emission

Presenter : Kondo M., Uchida M., Enomoto H., Utsumi M., Shinozaki T., Kim Y., Shibata Y.
Name of Society : Int.Symp.Snow, Ice and Humanity in a Changing Climate (2010)
Name of Proceedings : Abstracts, 205
Research Presentation

Carbonaceous aerosols at the summit of Mt. Fuji, Japan

Presenter : Kaneyasu N., Igarashi Y., Uchida M., Kondo M.
Name of Society : Symp.Atmos.Chem.Phys.Mt.Sites (2010)
Name of Proceedings : Abstracts
Research Presentation

Reconstruction of rainfall amount variability in central Alaska since past 1ka using peat cellulose δ13C

Presenter : Shinozaki T., Uchida M., Kondo M., Yoshikawa K.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 155
Research Presentation

Radiocarbon dating for paleoenviromental peat archive: the case study using cellulose from peat core reached to 15ka in northern Japan

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Program
Research Presentation

Sedimentary organic matter variations in the Chukchi Borderland since the last deglaciation

Presenter : Rella S. , Uchida M.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 138
Research Presentation

Community structure of marine planktonic archaea in the Pacific sector of the Arctic Ocean

Presenter : Akiyama S., Sato C., Gang C., Uchida M., Utsumi M.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 142
Research Presentation

Constraining radiocarbon signature of soil organic matter in tundra and boreal forests, Alaska

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Shibata Y.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 87
Research Presentation

Radiocarbon-based estimates of residence times for soil organic carbon of Tundra and Boreal forests in Alaska

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Shibata Y.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Abstracts, B41F-0379
Research Presentation

Ice grounding and crater on the chukchi and beaufort borderland in the Arctic Ocean, evidented by multibeam bathymetric and sediment profiler

Presenter : Shibahara A. , Uchida M.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 119
Research Presentation

A physics-based, depth structured simulation of soil organic carbon: study in Alaska with 14C data

Presenter : Ise T., Kondo M., Uchida M.
Name of Society : Second International Symposium on the Arctic Research (2010)
Name of Proceedings : Abstracts of Second International Symposium on the Arctic Research
Research Presentation

Constructing a Depth-Stratified Model for Soil Organic Carbon: a Brand-new, Integrated Ecosystem Model with Radiocarbon Tracking

Presenter : Ise T., kato N., Enomoto H., Kondo M., Uchida M.
Name of Society : American Geophysical Union 2010 fall meeting (2010)
Name of Proceedings : Abstracts of American Geophysical Union 2010 fall meeting
Research Presentation

The heterotrophic respiration using old carbon in arctic soil: Insights from compound-specific radiocarbon analysis

Presenter : Uchida M., Uchida M., Utsumi M., Kondo M., Takahashi Y., Shibata Y.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 81
Research Presentation

Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis

Presenter : Uchida M., Utsumi M., Kondo M., Takahashi Y., Uchida M.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Abstracts, B41F-0378
Research Presentation

The trans-Arctic water (14)C sections from MIRAI and NABOS cruises: Reconstruction of surface mid-deep water ventilation ages and their comparison of past 14C inventory data

Presenter : Uchida M., Kumamoto Y., Polyakov I., Ivanov V., Kim Y., Rozman P., Utsumi M., Shimada K., Murata M., Shibata Y.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 137
Research Presentation

NW Pacific mid-depth ventilation changes during the Holocene

Presenter : Rella S. , Uchida M.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Program, 16
Research Lecture

North Pacific Intermediate Water changes in the Bering Sea during the last glacial and deglacial period in association with abrupt climate changes

Presenter : Rella S. , Tada R., Nagashima K., Ikehara K., Itaki T., Ohkushi K, Sakamoto T., Harada N., Uchida M.
Name of Society : Climate Res.Semin. (2010)
Name of Proceedings : -
Research Presentation

Sedimentary processes of the latest Pleistocene to Holocene incised-valley fills under Tokyo area, central Japan

Presenter : Komatsubara J., Nakashima R., Kimura K., Uchida M., Kondo M., Shibata Y.
Name of Society : JSPS CCOP/GSJ/AIST Jt.Semin.Monit.Eval.Coastal Erosion (2010)
Name of Proceedings : Abstracts, 25
Research Presentation

Radiocarbon dating for paleoenviromental peat archive: The case study of plant cellulose from peat core reached to 15ka in northern Japan

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : Environ.Radioact.2010 (2010)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon constraints for soil carbon accumulation and carbon release of boreal forests and tundra ecosystem in Alaska

Presenter : Kondo M., Uchida M., Kim Y., Takahashi Y., Shinozaki T., Utsumi M., Shibata Y.
Name of Society : Environ.Radioact.2010 (2010)
Name of Proceedings : Abstracts
Research Presentation

NW Pacific mid-depth ventilation changes during the Holocene

Presenter : Rella S. , Uchida M.
Name of Society : Environ.Radioact.Conf.2010 (2010)
Name of Proceedings : Abstracts
Research Presentation

Seasonal cycle and interannual variability of atmospheric radiocarbon((14)CO2) over the western Pacific

Presenter : Terao Y., Kitagawa H., Mukai H., Nojiri Y., Uchida M., Shibata Y., Aramaki T., Maksyutov S., Valsala V.
Name of Society : 8th Int.Carbon Dioxide Conf. (2009)
Name of Proceedings : Abstracts, T1-011
Research Presentation

Effects of rainfall on carbon isotopes of POC in the Teshio River, Northern Japan

Presenter : Aramaki T., Nagao S., Nakamura Y., Uchida M., Shibata Y.
Name of Society : 20th Int.Radiocarbon Conf. (2009)
Name of Proceedings : Abstracts, 146
Research Presentation

Distribution of cell membrane lipids of Crenarchaeota in the Arctic Ocean

Presenter : Kuroki Y., Uchida M., Sato C., Utsumi M., Kato H., Shibata Y.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P008
Research Presentation

Pilot study on carbon cycle of Marine Crenarchaeota in the Arctic Ocean using molecular biological approaches

Presenter : Sato C., Utsumi M., Kuroki Y, Uchida M.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P006
Research Presentation

Evidence of heterotrophic microbial decomposition of soil ancient carbon in the glacier retreat, svalvard, Norway Arctic

Presenter : Uchida M., Uchida M., Kondo Y., Shibata Y.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-003
Research Presentation

Novel radiocarbon chronology tool using archaeal tetraether lipids in the western Arctic Ocean sediments

Presenter : Uchida M., Utsumi M., Kato H., Shibahara A., Kuroki Y., Shimada K., Shibata Y.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P005
Research Presentation

Isotopic signatures of soil organic carbon in a successional glacier foreland in Ny-Alesund, Svalbard

Presenter : Kondo M., Uchida M., Uchida M., Ohtsuka T., Yoshitake S., Koizumi H., Nakatsubo T.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P004
Research Presentation

Comparison of soil carbon accumulation in conifer and broad leaf forests using radiocarbon measurements

Presenter : Toyota A., Tayasu I., Fujimaki R., Kaneko N., Uchida M., Shibata Y., Hiura T.
Name of Society : 20th Int.Radiocarbon Conf. (2009)
Research Presentation

Isotopic signatures of soil organic carbon and its relation to vegetation in a successional glacier foreland in Ny-Alesund Svalvard

Presenter : Kondo M., Uchida M.
Name of Society : 10th Arct.Sci.Summit Week (2009)
Name of Proceedings : Abstracts, 41
Research Presentation

Characteristic distribution and structure of planktonic archaea in the Arctic Ocean

Presenter : Sato C., Kuroki Y., Chen G., Uchida M., Utsumi M.
Name of Society : AGU Fall Meeting 2009 (2009)
Name of Proceedings : Abstracts, OS23A-1174
Research Presentation

Possible increase in reservoir age of the surface water in the northwestern Bering Sea during the deglacial period: Evidence of ascending the aged North Pacific deepwater?

Presenter : TADA R., RELLA S., Uchida M., ITAKI T., NAGASHIMA K., HARADA N.
Name of Society : AGU Fall Meeting 2009 (2009)
Name of Proceedings : Abstracts
Research Presentation

How does the management-induced change in soil organic matter control carbon dynamics and organo-mineral associations in a volcanic-ash soil in Central Japan?

Presenter : Wagai R, Kishimoto A., Yonemura S., Shirato Y., Hiradate S., Uchida M.
Name of Society : ASA-CSSA-SSSA 2009 Int.Annu.Meet. (2009)
Research Presentation

Radiocarbon analysis of single-year tree rings at the last glacial-deglacial transition

Presenter : Minoura K., katsumata M., Horiuchi K., Shibata Y., Uchida M.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 87
Research Presentation

The use of Δ(14)C as an indicator of carbon transfer in stream ecosystems

Presenter : Ishikawa N., Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 90
Research Presentation

The stable and radio isotopic signatures of sedeimentary black carbon(BC) in the Chukchi and Bering Seas

Presenter : Kumata H., Uchida M., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 125
Research Presentation

Radiocarbon-based source apportionment of incomplete combustion products(PAHsBC) in PM10 aerosols from residential area of suburban Tokyo

Presenter : Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 105
Research Presentation

Radiocarbon-based residence time of soil organic carbon in a temperate forest: case study for the density fractionation for volcanic ash soil

Presenter : Kondo M., Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 88
Research Presentation

Photochemical extraction system for radiocarbon analysis of marine dissolved organic carbon at NIES-TERRA

Presenter : Uchida M., Suzuki M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 130
Research Presentation

Deglacial ventilation history in the mid-deep North Pacific Water: Evidence for the mechanism of deglacial atmospheric CO2 rise

Presenter : Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 131
Research Presentation

Preliminary results of compound-specific radiocarbon analysis of nucleic acids: Implication for microbial carbon source identification and carbon cycles in the ocean

Presenter : Kuroki Y., Uchida M., Utsumi M., Suzuki M., Matsuda A., Kumamoto Y., Sato C., Ghen G., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 126
Research Presentation

Carbon isotopes and lignin composition of POC in a small river in Bekanbeushi moor, northern Japan

Presenter : Nagao S., Aramaki T., Seki O., Uchida M., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 125
Research Presentation

Occurrence of Diploptene and its carbon isotope values in East Sea sediments: Implications for methane release and palease and paleoceanography

Presenter : Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 7
Research Presentation

σ(15)N variations in the western North Pacific synchronized with D/O events

Presenter : Horikawa K, Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 68
Research Presentation

Variation of the sea-ice and primary productivity in the Bering and Okhotsk Seas since the Last Glacial Maximum

Presenter : Katsuki K., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 64
Research Presentation

Millennial-scale variations of sediment characteristics at Bering Sea slope during the last glacial and deglaciation period and their implications

Presenter : Rella S., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 65
Research Presentation

Late quaternary oceanic conditions deduced from the total organic carbon and total nitrogen contents of the sediment cores off the Shimokita Peninsula Northwest Pacific

Presenter : Kumon F., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 69
Research Presentation

Millennial-scale paleoceanographic response to the Bering Sea during the Last 65 kyrs

Presenter : Kim S., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 137
Research Presentation

Alkenoens-SST and TEX86 variations synchronuzed with D/O cycles in the western North Pacific: First paleoceanographic results from the D/V CHIKYU shakedown cruise

Presenter : Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 144
Research Presentation

Deglacial ventilation history in the North Pacific mid-deep water: Implications for active North Pacific deep water formation synchronized with Atlantic Meridional Overturning Circulation

Presenter : Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 145
Research Presentation

Hydrodynamic controls on the molecular-level compositions Δ(14)C and δ(13)C signatures of organic matter in sediments along a shelf-slope-basin transect

Presenter : Uchida M., Eglinton i. t., Montluçn d., Hayes j.m., Coppola l., Gustafsson Ö., Andersson p.
Name of Society : Gordon Res.Conf.Org.Geochem. (2008)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon measurements of elemental carbon in aerosols at NIES-TERRA

Presenter : Wagai R., Uchida M., Suzuki M., Hasegawa S., Kobayashi S., Tanabe K., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 107
Research Presentation

Radiocarbon based carbon source identification of soil respiration Spitsbergen Island in the Norwegian high Arctic

Presenter : Uchida M., Uchida M., Takahashi Y., Nakatsubo T.
Name of Society : 日本地球惑星科学連合 2008年大会 (2008)
Name of Proceedings : 同予稿集, L173-P005
Research Presentation

Deglacial ventilation history in North Pacific intermediate water: Anti-phased with Atlantic overturning circulation

Presenter : Uchida M., Eglinton T.I. , Montluçn d., Hayes J.M., Coppola L., Gustafsson Ö. , Andersson p.
Name of Society : EGU Gen.Assem.2008 (2008)
Name of Proceedings : Abstracts, 10:EGU2008-A-05283
Research Presentation

Stable carbon and radiocarbon isotopic signatures of plant derived biomarkers in forest fine aerosol

Presenter : Uchida M., Kumata k., Kondo M., Murayama S., Saigusa N.
Name of Society : EGU Gen.Assem.2008 (2008)
Name of Proceedings : Abstracts, 10:EGU2008-A-05329
Research Presentation

Radiocarbon-based turnover time estimates of soil organic carbon in a cool-temperate deciduous forest in Asian Monsoon Region

Presenter : Uchida M., Kondo M., Murayama S., Shirato Y., Ohtsuka T.
Name of Society : EGU Gen.Assem.2008 (2008)
Name of Proceedings : Abstracts
Research Presentation

Hydrodynamic controls on the molecular-level composition of organic matter in sediments along Washington Margin and Cascadia Basin transect

Presenter : Uchida M.
Name of Society : 2008 Ocean Sci.Meet.(Poster Session) (2008)
Name of Proceedings : Abstracts(Web)
Research Presentation

Geochemical evidence for millenial-scale variation of intermediate water intensity in the Bering Sea during the last glacial-interglacial cycles-

Presenter : Rella S.(*1), Tada R.(*1), Uchida M., Nagashima K.(*2), Itaki T.(*3), Ohkushi K., Harada N.(*2)
Name of Society : 第11回みらいシンポジウム (2008)
Research Presentation

Preliminary result of radiocarbon monitoring in surface water in the North Pacific

Presenter : Aramaki T., Nojiri Y., Mukai H., Uchida M., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 136
Research Presentation

Hydrodynamic controls on archaeal tetraether lipid compositions in Washington margin sediments: Insights from compound-specific radiocarbon measurements

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP33A-1532
Research Presentation

North Pacific deep water formation and carbon dioxide rise during the last deglaciation

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP23A-1457
Research Presentation

Role of the Bering Sea on the glacial strength of North Pacific Intermediate Water in the North Pacific

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP438-1518
Research Presentation

Sea-ice distribution and pressure pattern in the Bering and Okhotsk Seas since the Last Glacial Maximum

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP43B-1516
Research Presentation

Soil organic matter storage and dynamics along altitudinal gradient in bornean tropical forests: Preliminary radiocarbon results of bulk soils and density fractions

Presenter : Wagai R., Uchida M., Suzuki M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, B23B-0421
Research Presentation

Soil organic carbon residence time in Japanese temperate forest: Insight from radiocarbon analysis of density fractionated soil

Presenter : Kondo M., Uchida M., Wagai R., Suzuki M., Shibata Y.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, B11D-0392
Research Presentation

Radiocarbon chronology using sedimentary archaeal tetraether lipids in the western Arctic Ocean

Presenter : Utsumi M., Uchida M., Shimada K.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts
Research Presentation

Radiocarbon analysis of elemental carbon and total organic carbon in atmospheric aerosols collected at Cape Hedo Okinawa Japan

Presenter : Suzuki M., Shibata Y., Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, A31A-0073
Research Presentation

Millennial-scale variation of intermediate water intensity in the bering sea during the last glacial-interglacial cycle

Presenter : Rella S.(*1), Tada R.(*1), Nagashima K.(*2), Uchida M., Itaki T.(*3), Ohkushi K.(*4)
Name of Society : AGU 2007 Fall Meet.(Poster Session) (2008)
Name of Proceedings : Abstracts(Web)
Research Presentation

Heterotrophic microbial decomposition of ancient carbon in the soil sequence after the glacier retreat Svalvard Norway Arctic

Presenter : Uchida M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 353-356
Research Presentation

Microbial activity and decomposition characteristics in a raised beach deposit under terrestrial vegetation on the high Arctic deglaciated area

Presenter : Uchida M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 350-352
Research Presentation

Elemental and isotopic signatures of soil organic carbon and its relation to vegetation in a successional glacier foreland in Ny-Alesund Svalbard

Presenter : Kondo M., Uchida M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 360-363
Research Presentation

Molecular markers of archaeal tetraether lipids from the Chukchi Sea shelf sediments: Potential proxy for past terrestrial and marine environmental changes

Presenter : Uchida M., Matsuda A., Suzuki M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 279-281
Research Presentation

13C and 14C isotopic signatures of plant derived biomarkers in forest fine aerosol: Implication for a proxy for photosynthetic carbon isotopic discrimination at ecosystem-scale

Presenter : Uchida M.
Name of Society : Am.Chem.Soc.234th Nat.Meet.(Poster Session) (2007)
Name of Proceedings : Abstracts(Web)
Research Presentation

Hydrodynamic controls on the age and composition of terrestrial organic matter distributed over the washington margin: Implication from compound-specific radiocarbon analysis

Presenter : Uchida M.
Name of Society : Eur.Geophys.Union Gen.Assem.(Poster Session) (2007)
Research Presentation

Radiocarbon-based turnover time estimates of soil organic carbon in a cool-temperate deciduous forest in Asian Monsoon region

Presenter : Kondo M.(*1), Uchida M., Murayama S.(*2), Ohtsuka T.(*3), Shirato Y.(*4)
Name of Society : AGU Fall Meeting 2007 (2007)
Name of Proceedings : Abstracts(Web)
Research Presentation

Millennial-scale paleoceanographic changes in the central Bering Sea during the late Pleistocene

Presenter : Kim S.(*1), Khim B-K.(*1), Itaki T.(*2), Katsuki K.(*1), Uchida M., Tada R.(*3)
Name of Society : Final Int.Symp.IGCP-476(Poster Session) (2007)
Research Presentation

The late Pleistocene Radiolarians in the Bering Sea

Presenter : Itaki T.(*1), Khim B-K.(*2), Kim S.(*2), Uchida M., Katsuki K.(*2), Ohkushi K.(*3), Nagashima K.(*4), Rella S.(*5), Tada R.(*5)
Name of Society : Final Int.Symp.IGCP-476(Poster Session) (2007)

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InSAR and ground surveys of surface displacement caused by ground freeze/thaw and thermokarst at intact and disturbed tundra on the North Slope, Alaska

Presenter : Iwahana G., Busey R., Muskett R., Zwieback S., Meyer F., Ohno H., Uchida M., Saito K.
Name of Society : NASA ABoVE 8th Science Team Meeting (ASTM-8) (2022)
Name of Proceedings : -
Fine-scale ground truth of ground displacement in the Anaktuvuk River Fire (ARF) for satellite and airborne L-band SAR

Presenter : Iwahana G., Busey R., Muskett R., Zwieback S., Meyer F., Ohno H., Uchida M., Saito K.
Name of Society : 16th International Circumpolar Remote Sensing Symposium (2022)
Name of Proceedings : -
Changes in surface conditions and permafrost environment of a summit area of the Daisetsu Mountains, Hokkaido, Japan

Presenter : Iwahana G., Sone T., Uchida M., Yokohata T.
Name of Society : Japan Geosicence Union, American Geophysical Union Joint meeting 2020 (2020)
Name of Proceedings : -
Permafrost degradation after the Anaktuvuk River Fire (ARF) measured by field surveys and L-band SAR interferometry

Presenter : Iwahana G., Ohno H., Uchida M., Yokohata T., Saito K.
Name of Society : Sixth International Symposium on Arctic Research (2020)
Name of Proceedings : Abstract
High risk of permafrost thaw

Presenter : Wang X., Yokozawa M., Arakida H., Mori K., Ise T., Kondo M., Uchida M., Kushida K., Toda M.
Name of Society : The 62nd ESJ annual meeting (2015)
Name of Proceedings : Abstracts
A Southern Ocean trigger for Northwest Pacific ventilation during the Holocene?

Presenter : Rella S., Uchida M.
Name of Society : Japan Geoscience Union Meeting 2014 (2014)
Name of Proceedings : Abstracts
Shallow water environmental change in the Sea of Japan during the last 30 kyr deduced from foraminiferal isotopes

Presenter : SAGAWA T., Uchida M., Murayama M., Tada R.
Name of Society : Japan Geoscience Union Meeting 2014 (2014)
Name of Proceedings : Abstracts
Why is soil the largest carbon and nitrogen pool on land?: biogeochemical perspective

Presenter : Wagai R., Asano M., Kajiura M., Hayakawa C., Hiradate S., Uchida M., Inoue Y.
Name of Society : 61st Annual Meeting of Ecological Society of Japan (2014)
Name of Proceedings : Abstracts
Radiocarbon (14C) measurements in fine particles at Beijing and Tokyo

Presenter : Fushimi A., Hasegawa S., Kondo M., Uchida M., Tanabe K., Morino Y., Ohara T., Xu J., Hao J.
Name of Society : Joint Seminar on Formation Mechanism of Photochemical ozone, VOCs, PM2.5 in Mexico, China and Japan (2012)
Name of Proceedings : Abstracts, 36
Source apportionment of EC and OC in Tokyo and Beijing: comparison between observation and simulation model

Presenter : Morino Y., Ohara T., Hasegawa S., Fushimi A., Kondo M., Uchida M., Tanabe K., Zhao B., Xu J., Hao J.
Name of Society : Joint Seminar on Formation Mechanism of Photochemical ozone, VOCs and PM2.5 in Mexico, China and Japan (2012)
Name of Proceedings : -
Source Apportionment of EC and OC in Beijing: Comparison between 14C Measurement and Chemical Transport Model

Presenter : Morino Y., Ohara T., Hasegawa S., Fushimi A., Kondo M., Uchida M., Tanabe K., Kazuyo Yamaji, Bin Zhao, Jiayu Xu, Jiming Hao
Name of Society : 2012 AAAR Annual Conference (2012)
Name of Proceedings : Abstracts
Vegetation recovery, changes in fluxes and micrometeorology after wildfire of a black spruce forest on permafrost in Alaska

Presenter : Harazono Y., Iwata H., Ueyama M., Tsuyuzaki S., Uchida M., Kondo M., Takahashi Y., Utsumi M.
Name of Society : ISAM 2011 (2011)
Name of Proceedings : Program of ISAM 2011
NIES atmospheric radiocarbon (14CO2) measurements

Presenter : Terao Y., Mukai H., Kitagawa H., Nojiri Y., Uchida M., Shibata Y., Aramaki T.
Name of Society : The 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2011) (2011)
Name of Proceedings : Abstracts of The 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2011)
Millennial-scale variations of the late Pleistocene radiolarians in the Bering Sea related to environments in shallow and deep waters

Presenter : Itaki T, Kim S., Rella S. , Uchida M., Tada R., Khim B.-K.
Name of Society : 10th Int.Conf.Paleoceanogr. (2010)
Name of Proceedings : Abstracts
Sedimentary processes of the latest Pleistocene to Holocene incised-valley fills under Tokyo area, central Japan

Presenter : Komatsubara J., Nakashima R., Kimura K., Uchida M., Kondo M., Shibata Y.
Name of Society : JSPS CCOP/GSJ/AIST Jt.Semin.Monit.Eval.Coastal Erosion (2010)
Name of Proceedings : Abstracts, 25
Evidence of heterotrophic microbial decomposition of soil ancient carbon in the glacier retreat, svalvard, Norway Arctic

Presenter : Uchida M., Uchida M., Kondo Y., Shibata Y.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-003
Isotopic signatures of soil organic carbon and its relation to vegetation in a successional glacier foreland in Ny-Alesund Svalvard

Presenter : Kondo M., Uchida M.
Name of Society : 10th Arct.Sci.Summit Week (2009)
Name of Proceedings : Abstracts, 41
Possible increase in reservoir age of the surface water in the northwestern Bering Sea during the deglacial period: Evidence of ascending the aged North Pacific deepwater?

Presenter : TADA R., RELLA S., Uchida M., ITAKI T., NAGASHIMA K., HARADA N.
Name of Society : AGU Fall Meeting 2009 (2009)
Name of Proceedings : Abstracts
Hydrodynamic controls on the molecular-level composition of organic matter in sediments along Washington Margin and Cascadia Basin transect

Presenter : Uchida M.
Name of Society : 2008 Ocean Sci.Meet.(Poster Session) (2008)
Name of Proceedings : Abstracts(Web)
Millennial-scale variation of intermediate water intensity in the bering sea during the last glacial-interglacial cycle

Presenter : Rella S.(*1), Tada R.(*1), Nagashima K.(*2), Uchida M., Itaki T.(*3), Ohkushi K.(*4)
Name of Society : AGU 2007 Fall Meet.(Poster Session) (2008)
Name of Proceedings : Abstracts(Web)
13C and 14C isotopic signatures of plant derived biomarkers in forest fine aerosol: Implication for a proxy for photosynthetic carbon isotopic discrimination at ecosystem-scale

Presenter : Uchida M.
Name of Society : Am.Chem.Soc.234th Nat.Meet.(Poster Session) (2007)
Name of Proceedings : Abstracts(Web)
Hydrodynamic controls on the age and composition of terrestrial organic matter distributed over the washington margin: Implication from compound-specific radiocarbon analysis

Presenter : Uchida M.
Name of Society : Eur.Geophys.Union Gen.Assem.(Poster Session) (2007)
Radiocarbon-based turnover time estimates of soil organic carbon in a cool-temperate deciduous forest in Asian Monsoon region

Presenter : Kondo M.(*1), Uchida M., Murayama S.(*2), Ohtsuka T.(*3), Shirato Y.(*4)
Name of Society : AGU Fall Meeting 2007 (2007)
Name of Proceedings : Abstracts(Web)
Millennial-scale paleoceanographic changes in the central Bering Sea during the late Pleistocene

Presenter : Kim S.(*1), Khim B-K.(*1), Itaki T.(*2), Katsuki K.(*1), Uchida M., Tada R.(*3)
Name of Society : Final Int.Symp.IGCP-476(Poster Session) (2007)
The late Pleistocene Radiolarians in the Bering Sea

Presenter : Itaki T.(*1), Khim B-K.(*2), Kim S.(*2), Uchida M., Katsuki K.(*2), Ohkushi K.(*3), Nagashima K.(*4), Rella S.(*5), Tada R.(*5)
Name of Society : Final Int.Symp.IGCP-476(Poster Session) (2007)
Radiocarbon Dates of Ground Ice in Central Yakutia, Russia: A Comparison Between Different Carbon Fractions

Presenter : Iwahana G., Minami M., Yang J. W., Ahn J., Desyatkin A., Fedorov A. N., Uchida M., Saito K., Hiyama T.
Name of Society : Busan IAMAS-IACS-IAPSO Joint Assembly 2025 (2025)
Name of Proceedings : Abstracts
Radiocarbon Dating of Organic Matters in Permafrost Sediments on the Sevuokuk Mountain, St. Lawrence Island

Presenter : Iwahana G., Uchida M., Saito K.
Name of Society : 25th Radiocarbon conference (2025)
Name of Proceedings : Abstracts
Radiocarbon ages of plant remains in massive ground ice and underlying sediments of the Barrow Permafrost Tunnel

Presenter : Iwahana G., Uchida M., Horiuchi K., Deming J., Eicken H., Ohno H., Mantoku K., Kobayashi T., Saito K.
Name of Society : 12th International conference on permafrost (ICOP) (2024)
Name of Proceedings : Abstracts
Was the increasing temperature of mid-depth warm Atlantic water triggering the sub-sea permafrost and methane hydrate instability in the Alaskan Beaufort margin during the late Holocene?

Presenter : Uchida M., Mantoku K., Kubota Y., Yamada K., Yamaguchi K., Kumata H., Rella S., Kobayashi T., Nishino S., Itoh M.
Name of Society : Japan Geoscience Union Meeting (JpGU) 2024 (2024)
Name of Proceedings : Abstracts
Spatial variability in permafrost degradation after wildfires in the Kougarok area, Seward Peninsula

Presenter : Iwahana G., Busey R., Breen A., Zwieback S., Muskett R., Saito K., Ohno H., Uchida M., Harada K.
Name of Society : 2024 AGU Fall Meeting (2024)
Name of Proceedings : Abstracts
Sea ice variability on the Chukchi Borderland during the Late Pleistocene: the implication from IP25 and 10Be records

Presenter : Uchida M., Kumata H., Mantoku K., Amano C., Utsumi M., Horiuchi K., Yamaguch T., Matsuzaki H., Yamagata T., Itoh M., Nishino S., Shimada K.
Name of Society : 2024 AGU Fall Meeting (2024)
Name of Proceedings : Abstracts
Was the increasing temperature of mid-depth warm Atlantic water triggering the methane hydrate instability in the Alaskan Beaufort margin during the late Holocene?

Presenter : Uchida M., Mantoku K., Kubota Y., Kumata H., Yamada K., Rella S., Kobayashi T., Itoh M., Nishino S.
Name of Society : 2024 AGU Fall Meeting (2024)
Name of Proceedings : Abstracts
Radiocarbon-based source apportioning of organic carbon aerosols over Mt. Tai and Mangshan, China: A case study from the 2006-2007 sampling campaign

Presenter : Liu S., Uchida M., Mantoku K., Kobayashi T., Kawamura K.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Radiocarbon Dating of an Alpine Plant Leaf Found in Permafrost on the Daisetsu Mountains, Hokkaido, Japan

Presenter : Iwahana G., Uchida M.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Source apportionment of sedimentary PAHs in Sakudrada Moat of Imperial Palace, Tokyo using compound-specific radiocarbon analysis

Presenter : Uchida M., Mantoku K., Kanke H., Kobayashi T., Okuda T., Kumata H., Yoneda M., Shibata Y., Takada H.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Status and recent progress of the AMS system at NIES-TERRA

Presenter : Uchida M., Kobayashi T., Mantoku K., Matsuzaki H., Tokuyama H., Yamagata T., Fujita N.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Fossil and Non-Fossil Carbon Contents in the Tropical Indian Aerosols

Presenter : Pavuluri C. M., Uchida M., Mantoku K., Fu P., Kobayashi T., Kawamura K.
Name of Society : The 16th International Conference on AMS (2024)
Name of Proceedings : Abstracts
Sea ice variability on the Chukchi Sea during the Late Pleistocene

Presenter : Uchida M., Kumata H., Mantoku K., Rella S., Amano C., Kuroki Y., Utumi M., Itoh M., Nishio S., Shimada K.
Name of Society : Seventh International Symposium for Arctic Research (ISAR-7) (2023)
Name of Proceedings : Abstracts
Black carbon and their isotopic signatures in permafrost soil in Ny-Alesund, Svalbard: Implication of sources and fate under changing Arctic climate

Presenter : Uchida M., Kumata H., Mantoku K., Uchida M., Uthumi M., Kaneko R., Nakai R., Kobayashi T., Iwahana G., Shibata Y., Kawamura K.
Name of Society : Seventh International Symposium for Arctic Research (ISAR-7) (2023)
Name of Proceedings : Abstracts
Optically stimulated luminescence dating of marine sediments from the Bering Sea

Presenter : Sugisaki S., Buylaert J.M., Murray A., Uchida M., Rella S., Mantoku K., Sakai S., Harada N., Tada R.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Sedimentary environment and depositional process of reworked materials in the subaqueous Yangtze Delta during the middle and late Holocene

Presenter : Wang K., Saito K., Tada R., Irino T., Zheng H., Sugisaki S., Uchida M.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Characterization of Carbonaceous Components and Fossil and Non-Fossil Carbon Contents in Fine Aerosols in the Eastern Mediterranean Troposphere

Presenter : Pavuluri C.M., Mihalopoulos N., Uchida M., Mantoku K., Fu P.Q., Kawamura K.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Abundance of Non-Fossil Carbon Content in the Tropical Indian Carbonaceous Aerosols

Presenter : Pavuluri C.M., Uchida M., Mantoku K., Fu P.Q., Kawamura K.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Source apportionment of atmospheric and sedimentary PAHs from Kolkata, India by using compound-class-specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Mantoku K., Kobayashi T., Okuda T., Shibata Y., Takada H.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Radiocarbon age of plant remains in massive ground ice of the Barrow Permafrost Tunnel, Alaska

Presenter : Iwahana G., Uchida M., Mantoku K., Kobayashi T.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Characterization of Fossil and Contemporary Carbon Contents in Submicron Atmospheric Aerosols in the Eastern Mediterranean

Presenter : Pavuluri C.M., Mihalopoulos N., Uchida M., Mantoku K., Fu P.Q., Kawamura K.
Name of Society : 11th International Aerosol Conference (2022)
Name of Proceedings : Abstracts
Age offsets between marine-derived lipid biomarkers, TOC, and foraminifera during cross shelf-slope lateral transport revealed by compound-specific radiocarbon dating

Presenter : Uchida M., Eglinton T.I., Mollenhauer G., Montlucon D., Hayes J.M., Coppola L., Gustafsson O., Mantoku K., Ahagon N., Harada N.
Name of Society : Radiocarbon 24th (2022)
Name of Proceedings : Abstracts
Isotopic signatures of fine organic aerosol in the deciduous forest and photosynthetic isotopic discrimination: Insights from compound-specific radiocarbon analysis

Presenter : Uchida M., Mantoku K., Kobayashi T.
Name of Society : 24th radiocarbon conference (2022)
Name of Proceedings : -
Fine-scale ground truth of ground displacement in the Anaktuvuk River Fire (ARF) for satellite and airborne L-band SAR

Presenter : Iwahana G., Busey R., Muskett R.R., Zwieback S., Meyer F.J., Ohno H., Uchida M., Saito K.
Name of Society : AGU Fall Meeting 2021 (2021)
Name of Proceedings : -
Radiocarbon-based carbon source apportionment of black carbon and organic carbon in carbonaceous aerosols in Asian outflow

Presenter : Uchida M., kumata H., Kaneyasu N., Mantoku K., Handa D., Arakaki T., Kawamura K., Shibata Y.
Name of Society : The 15th International Conference on Accelerator Mass Spectrometry (2021)
Name of Proceedings : -
Improvements for ultra-microscale radiocarbon measurements at NIES-TERRA

Presenter : Uchida M., Mantoku K., Kobayashi T.
Name of Society : The 15th International Conference on Accelerator Mass Spectrometry (2021)
Name of Proceedings : -
Evidence of Heterotrophic Microbial Decomposition of Preaged Carbon in Arctic soil; Implications from radiocarbon analysis of phospholipid fatty acids (PLFAs)

Presenter : Uchida M.
Name of Society : The 23rd International Radiocarbon Conference (2018)
The trans-Arctic water 14C sections from Mirai and NABOS cruises: reconstruction of surface-mid-deepwater ventilation ages and their comparison of past 14C inventory data

Presenter : Uchida M., Kumamoto Y., Polyakov I., Murata M., Ivanov V., Rozman P., Kim Y., Utsumi M.
Name of Society : The 23rd International Radiocarbon Conference (2018)
Spatial Variation in Thermokarst Subsidence after the Anaktuvuk River Fire on the North Slope, Alaska

Presenter : Iwahana G. , Muskett R.R. , Saito K. , Ohno H. , Yokohata T., Uchida M., Busey R.
Name of Society : AGU FALL MEETING 2018 (2018)
Name of Proceedings : Abstracts
High Abundance of Non-Fossil Derived Organics in Fine Aerosols in the Eastern Mediterranean Troposphere

Presenter : PAVULURI C. M., MIHALOPOULOS N., Uchida M., Fu P., Liu C., Kawamura K.
Name of Society : SPARC General Assembly 2018 (2018)
Continental margins as organic matter “aging factories”

Presenter : Bao R., Uchida M., McNichol A., Zhao M., Haghipour N., Montlucon D.B., Eglinton T.I.
Name of Society : 28th International Meeting on Organic Geochemistry (2017)
Name of Proceedings : Abstracts
CO2 emission from permafrost soils of Alaska under the freezing/thawing condition

Presenter : Kondo M., Uchida M., Yonemura S., Iwahana G., Kim Y., Fujitake N., Enomoto H., Tanabe K., Yoshikawa K.
Name of Society : Goldschmidt Conference 2016 (2017)
Name of Proceedings : Abstracts, 1578
Installation and current status of CAMS system at NIES

Presenter : Osonoi Y., Terao Y., Mukai H., Aramaki T., Kondo M., Uchida M., Kobayashi T., Shibata Y.
Name of Society : 18th WNO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT) (2015)
Name of Proceedings : Abstracts
THE RATE OF PERMAFROST CO2 AND METHANE RELEASE UNDER AEROBIC AND ANAEROBIC CONDITIONS USING A SPECIALLY DESIGNED LOWER TEMPERATURE CONTROLLED INCUBATION SYSTEM AND ITS POTENTIAL EFFECTS ON WARMING CLIMATE

Presenter : Yonemura S., Uchida M., Kondo M., Iwahana G., Utsumi M., Yoshikawa K., Hinzman L.
Name of Society : Arctic Science Summit Week 2015 (2015)
Name of Proceedings : Abstracts, 399
INFLUENCE OF THE THAWING PERMAFROST ON METHANE DIFFUSION FLUX FROM LAKES IN THE ALASKAN ARCTIC ZONE

Presenter : Sasaki M., Uchida M., Kondo M., Utsumi M., Yonemura S., Nakayama K.
Name of Society : Arctic Science Summit Week 2015 (2015)
Name of Proceedings : Abstracts, 396
Quantifying rates of soil organic carbon accumulation in black spruce and tundra ecosystems in Alaska using radiocarbon

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Yoshikawa K., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : the Thirteenth of the AMS (2014)
Name of Proceedings : Abstracts, 141
Radiocarbon dating of glycerol dibiphytanyl glycerol tetraether lipids (GDGTs) in the western Arctic Ocean sediments

Presenter : Uchida M., Kondo M., Kuroki Y, Amano C., Utsumi M., Shibata Y.
Name of Society : Thirteenth of the AMS (2014)
Name of Proceedings : Abstracts, 148
14C dating of insects found in a glacier in Suntar-Khayata range, eastern Siberia

Presenter : Nakazawa F., Uchida M., Kondo M., Enomoto H., Fedorov A., Fujisawa Y., Kadota T., Konstantinov P., Kusaka R., Miyairi M., Ohata T., Shirakawa T., Yabuki H.
Name of Society : Thirteenth of the AMS (2014)
Name of Proceedings : Abstracts, 168
A study of soil organic matter stabilization using physical fraction, isotopic, and spectroscopic approaches

Presenter : Wagai R., Asano M., Hayakawa C., Inoue Y., Kajiura M, Hiradate S., Yamaguchi N., Inagaki Y, Uchida M., Takeichi Y., Suga H., Jinnou M., Ono K., Takahashi Y.
Name of Society : Japan Geoscience Union Meeting 2014 (2014)
Name of Proceedings : Abstracts
Estimate of permafrost organic carbon balance in Alaskan boreal and tundra ecosystems using natural level radiocarbon.

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : 4th Symposium on Polar Science (2013)
Name of Proceedings : Abstracts
The Trans-arctic Water 14C Sections from MIRAI and NABOS Cruises: Reconstruction of Surface-Mid-Deep Water Ventilation Ages and Their Comparison of Past 14C Inventory Date

Presenter : Uchida M., Kumamoto Y., Polyakov I., Ivanov V., Rozman P., Utsumi M., Shimada K., Kim Y., Murata M.
Name of Society : 極域科学シンポジウム第4回 (2013)
Name of Proceedings : Abstracts
Status report of NIES-TERRA: progress of 17 years’ operation and perspectives for next decade

Presenter : Uchida M., Kobayashi T., Kondo M., Aramaki T., Terao Y., Kato F., Mukai H., Shibata Y.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 52
Source diagnosis of high level atmospheric PAHs from Kolkata and surrounding rural sites by using compound class specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Kurumisawa R., Saito S., Umemura T., Kondo M., Shibata Y., Okuda T., Nakajima F., Hatakeyama S., Takada H.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 73
Radiocarbon based source apportioning of PM2.5 carbonaceous aerosols at Cape Hedo, Okinawa and Fukue island, Japan

Presenter : Uchida M., Kondo M., Kaneyasu N., Arakaki T., Handa D., Kumata H.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 77
The belowground C balances in Alaskan boreal and tundra ecosystems:Insights from radiocarbon-based C accumulation rates and turnover times

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : 5th EAST ASIA AMS SYMPOSIUM (2013)
Name of Proceedings : Abstracts, 78
Multibeam bathymetric and sediment profiler evidences for pockmarks and ice grounding scours on the chukchi borderland and beaufort sea

Presenter : Uchida M., Shibahara A.
Name of Society : 19th International symposium on Poler Science (2013)
Name of Proceedings : Abstracts, 190
Sedimentary organic matter variations in the Chukchi Bordeland over the last 155 KYR

Presenter : Uchida M., Rella S. , Kondo M.
Name of Society : 19th International symposium on Poler Science (2013)
Name of Proceedings : Abstracts, 189
Turnovertime of soil organic carbon in permafrost using radiocarbon and their application for determining long and short therms carbon balances cas study in Alaskan tundra and boreal forest

Presenter : Kondo M., Uchida M., Utsumi M., Iwahana G., Yoshikawa K., Iwata H., Harazono Y., Nakai T., Tanabe K., Shibata Y.
Name of Society : 19th International symposium on Poler Science (2013)
Name of Proceedings : Abstracts, 177
ESTIMATION OF C LOSS BY FIRE IN A BURNED BLACK SPRUCE FOREST IN INTERIOR ALASKA USING RADIOCARBON

Presenter : Kondo M., Uchida M., Shibata Y., Iwata H., Harazono Y.
Name of Society : 3rd International Symposium on the Arctic Research (ISAR-3) (2013)
Name of Proceedings : Abstracts, 126
THE EFFECT OF THE FEEDBACK CYCLE BETWEEN THE SOIL ORGANIC CARBON AND THE SOIL HYDROLOGIC AND THERMAL DYNAMICS

Presenter : Mori K., Ise T., Kondo M., Kim Y., Enomoto H., Uchida M.
Name of Society : 3rd International symposium on the Arctic Research (2013)
Name of Proceedings : Abstracts, 180
Sedimentary organic matter and carbonate variations in the chukchi borderland in association with ice sheet and ocean-atmosphere dynamics over the last 155 KYR

Presenter : Rella S. F. , Uchida M.
Name of Society : 3rd International Symposium on the Arctic Research (2013)
Name of Proceedings : Abstracts, 213
Source Apportionment of EC and OC in Beijing: Comparison between 14C Measurement and Chemical Transport Model

Presenter : Morino Y., Ohara T., Hasegawa S., Fushimi A., Kondo M., Uchida M., Tanabe K., Kazuyo Yamaji, Bin Zhao, Jiayu Xu, Jiming Hao
Name of Society : 2012 IGAC conference (2012)
Name of Proceedings : Abstracts, 197-198
Variation in ∆14C and ∂13C values of dissolved humic and fulvic acids in the Tokachi river system in northern Japan

Presenter : Nagao S., Aramaki T., Fujitake N., Kodama H., Ochiai S., Uchida M., Shibata Y., Yamamoto M.
Name of Society : 21th International Radiocarbon Conference (2012)
Name of Proceedings : 21th International Radiocarbon Conference abstracts book, 303
Radiocarbon based organic carbon source identification of soil CO2 under soil warming in a cultivated andisol

Presenter : Kondo M., Uchida M., Kishimoto A., Yonemura S., Wagai R., Jomura M., Shibata Y.
Name of Society : 21st International Radiocarbon Conference (2012)
Name of Proceedings : Abstracts, 534
Estimation of Carbon loss by fire in a burned black spruce forest in interior Alaska using radiocarbon

Presenter : Kondo M., Uchida M., Shibata Y., Iwata H., Harazono Y.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
Sedimentary organic matter and carbonate variations in the Chukchi Borderland in association with ice sheet and ocean-atmosphere dynamics over the last 155 kyr

Presenter : Rella S. F. , Uchida M.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
CO2, CH4 fluxes and bacterial diversities at terrestrial ecosystem along the trans-Alaska pipeline in tundra and boreal forest, Alaska.

Presenter : Amano S. C., Utsumi M., Uchida M., Kondo M., Adachi M., Yamamoto T.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
Holocene sedimentary deposits in the Chukchi Shelf north of the Bering Strait and signatures of Bering Sea-derived sediment deposition

Presenter : B.K. Khim, L.D. Keigwin, M.J. Lee, H.G. Cho, N. Harada, Uchida M.
Name of Society : AGU Fall Meeting 2012 (2012)
Name of Proceedings : Abstracts
Arctic weather in 2012 summer and influences on Arctic Environment

Presenter : Enomoto H., Azuma H.Y., Hayasaka H., Hirabayashi M., Goto-Azuma K., Kadota T., Yabuki H., Ohata T., Takahashi S., Kusaka R., Shirakawa T., Alimasi N., Aoki T., Sugiyama S., Tateyama K., Shimada K., Utsumi M., Uchida M.
Name of Society : 3rd symposium on Polar Science (2012)
Name of Proceedings : Abstracts
Natural carbon-14 signature provides new data for stream food web studies

Presenter : Ishikawa N.F., Uchida M., Shibata Y., Tayasu I.
Name of Society : 96th ESA Annual Meeting (2011)
Name of Proceedings : Abstracts of 96th ESA Annual Meeting
Reconstruction of the East Asian summer monsoonal variability in the northern Japan since the last deglaciation based on delta (13)C time series of peat cellulose

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : the 18 INQUA-Congress (2011)
Name of Proceedings : Abstracts of the XVIII INQUA-Congress
Northwest Pacific mid-depth ventilation changes during the Holocene and their implications for the atmosphere-ocean carbon cycle

Presenter : Stephan R., Uchida M.
Name of Society : the 18 INQUA Congress (2011)
Name of Proceedings : Abstracts of XVIII INQUA Congress
Multibeam bathymetric and sediment profiler evidences for ice grounding and crater on the Chukchi and Beaufort borderland, Arctic Ocean

Presenter : Uchida M., Shibahara A.
Name of Society : the 18 INQUA Congress (2011)
Name of Proceedings : Abstracts of XVIII INQUA Congress
Sedimentary organic matter variations in the Chukchi Borderland since the last inter-glacial period

Presenter : Stephan R., Uchida M.
Name of Society : Japan Geoscience Union Meeting 2011 (2011)
Name of Proceedings : Abstracts of Japan Geoscience Union Meeting 2011
Sedimentary organic matter variations in the Chukchi Borderland since the last interglacial period

Presenter : Rella S. , Uchida M.
Name of Society : Arct.Sci.Summit Week 2011 (2011)
Name of Proceedings : Program, 23
Alaskan Arctic environmental changes for past 1 ka and implication for Arctic Oscillation and their interaction with Asian monsoon climate

Presenter : Shinozaki T., Uchida M., Kondo M., Utsumi M., Yoshikawa K.
Name of Society : Arct.Sci.Summit Week 2011 (2011)
Name of Proceedings : Program
Compound Class Specific Radiocarbon Analysis (CCRSA) of PAHs from Highly Contaminated Kolkata Canal Sediments

Presenter : Saha M., Kumata H., Uchida M., Takada H.
Name of Society : Accelerator Mass Spectrometry 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry 2011
Radiocarbon Based Organic Carbon Source Identification of Soil Respired CO2 under Soil Warming in a Cultivated Andisol

Presenter : Kondo M., Uchida M., Kishimoto A., Yonemura S., Wagai R., Jomura M., Shirato Y., Shibata Y.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Radiocarbon Dating of Peat Archives Using Plant Cellulose for the Reconstruction of Past Environmental Changes

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry conference 2011
Constraining radiocarbon signature of soil organic matter in Alaskan Arctic soil: Implication for importance basis examining the impact of climate warming on CO2 release

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Takahashi Y., Adachi M., Shibata Y.
Name of Society : Arct.Sci.Summit Week 2011 (2011)
Name of Proceedings : Program, 21
Recent advances of radiocarbon measurements at NIES TERRA

Presenter : Uchida M., Kondo M., Iida N. , Shinozaki T., Matsuda A., Minoura Y., Shibata Y.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Northwest Pacific mid-depth ventilation changes during the Holocene and their link to global climate changes

Presenter : Rella S. , Uchida M.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Constructing a Depth-Stratified Model for Soil Organic Carbon: a Brand-new, Integrated Ecosystem Model with Radiocarbon Tracking

Presenter : Ise T., Kano N., Enomoto H., Kondo M., Uchida M.
Name of Society : Accelerator Mass Spectrometry Conference 2011 (2011)
Name of Proceedings : Abstracts of Accelerator Mass Spectrometry Conference 2011
Radiocarbon Diurnal Variations in Fine Particles at Sites Downwind from Tokyo, Japan in Summer

Presenter : Fushimi A., Rota Wagai, Uchida M., Hasegawa S., Takahashi K., Kondo M., Motohiro Hirabayashi, Morino Y., Shibata Y., Ohara T., Kobayashi S., Tanabe K.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 188-189
Enhanced biogenic organic aerosols in spring and summer over Northeast Asia: Evidence from radiocarbon and organic tracer analyses

Presenter : Kawamura K., Pavuluri C.M., Uchida M., Fu P.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 173-175
Sedimentary process of the latest Pleistocene to Holocene incised-valley fills under Tokyo area, central Japan

Presenter : Komatsubara J., Nakashima R., Kimura K., Uchida M., Kondo M., Shibata Y.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 186-187
Source diagnosis of PAHs from Kolkata canal sediments by using compound class specific radiocarbon analysis (CCSRA)

Presenter : Kumata H., Uchida M., Saha M., Kondo M., Shibata Y., Takada H.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 192-193
Radiocarbon Signature of Soil Organic Carbon in Tundra and Boreal Forests, Northern Alaska

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Adachi M., Shibata Y.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 194-195
Constructing a depth-stratified model for soil organic carbon: dynamics of past, current, and future accumulation and decomposition

Presenter : Ise T., Kato N., Enomoto H., Kondo M., Uchida M.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of National Institute of Polar Research, 196-197
Investigation of carbon turnover and CO2 evolution in soil organic carbon from Japanese forest soils: Insight from radiocarbon analysis of soil density fractions and soil respired CO2

Presenter : Kondo M., HOSHINO A., Murayama S., Shinozaki T., Wagai R., Shibata Y., Uchida M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts of AGU Fall Meeting 2011
Vertical profile and components of marine planktonic archaea in the Pacific sector of the Arctic Oceean

Presenter : Akiyama S., Amano S. C., Uchida M., Utsumi M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
The trans-Arctic water 14C sections from Mirai and NABOS cruises: reconstruction of surface-mid-deepwater ventilation ages and their comparison of past 14C inventory data

Presenter : Uchida M., Kumamoto Y., Polyakov I, Utsumi M., Kim Y., Rozman P., Murata M., Shibata Y.
Name of Society : The 4th East Asia AMS Symposium (2011)
Name of Proceedings : Abstracts of The 4th East Asia AMS Symposium, 184-185
Nature of organo-mineral particles across density fractions in a volcanic-ash soil: air-drying and sonication effect

Presenter : Wagai R., Kajiura M., Shirato Y., Uchida M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
Distribution and structure of pranktonic Archaea in the Arctic Ocean using 2008 – 2010 R/V Mirai cruise samples

Presenter : Amano S. C., Akiyama S., Uchida M., Utsumi M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
Reconstruction of Alaskan Arctic environmental changes for past 1 ka using δ13C of peat cellulose and their 14C wiggle-match dating

Presenter : Shinozaki T., Uchida M., Kondo M., Yoshikawa K., Nomoto S., Utsumi M.
Name of Society : AGU Fall Meeting 2011 (2011)
Name of Proceedings : Abstracts
Can measurable soil carbon pools be matched with conceptual compartments in the Rothamsted carbon model?

Presenter : Shirato Y., Jomura M., Wagai R, Uchida M., Kondo M.
Name of Society : East and Southeast Asia Federation of Soil Science Societies (2011)
Name of Proceedings : Abstracts of East and Southeast Asia Federation of Soil Science Societies
Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis of phospholipid fatty acids (PLFAs)

Presenter : Uchida M., Kondo M., Uchida M., Takahashi Y., Utsumi M., Kumata H., Shibata Y.
Name of Society : 10th Ny-Alesund Seminar (2011)
Name of Proceedings : Abstracts, 74
Isotopic signatures of soil organic carbon and its relation to vegetation in a successional glacier foreland in Ny-Alesund, Svalbard

Presenter : Kondo M., Uchida M., Uchida M., Ohtsuka T., Yoshiake S., Kanda H., Koizumi H., Nakatsubo T., Shibata Y.
Name of Society : 10th Ny-Alesund Seminar (2011)
Name of Proceedings : Abstracts of The 10th Ny-Alesund Seminar, 73
Sedimentary process of the latest pleistocene to holocene incised-valley fills under Tokyo area, central Japan

Presenter : Komatsubara J., Nakashima R., Kimura K., Uchida M., Kondo M., Shibata Y.
Name of Society : 18th Int.Sedimentol.Congr. (2010)
Name of Proceedings : Abstracts
Heterotrophic microbial decomposition of soil ancient carbon in Norway Arctic; First evidence from molecular level natural radiocarbon analysis

Presenter : Uchida M., Uchida M., Kondo M., Shibata Y.
Name of Society : Organic matter stabilization and ecosystem functions SOM 2010 (2010)
Name of Proceedings : Program, 170
Investigation of carbon turnover and CO2 evolution in soil organic carbon from Japanese forest soils: Insight from radiocarbon analysis of soil density fractions and soil respired CO2

Presenter : Kondo M., Uchida M., Murayama S., Shinozaki T., Shibata Y.
Name of Society : Organic matter stabilization and ecosystem functions (2010)
Name of Proceedings : Abstracts of Organic matter stabilization and ecosystem functions, 70
Snow conditions in Northern Alaska and possible influences on soil-carbon-dynamic-related carbon assimilation and CO2 emission

Presenter : Kondo M., Uchida M., Enomoto H., Utsumi M., Shinozaki T., Kim Y., Shibata Y.
Name of Society : Int.Symp.Snow, Ice and Humanity in a Changing Climate (2010)
Name of Proceedings : Abstracts, 205
Carbonaceous aerosols at the summit of Mt. Fuji, Japan

Presenter : Kaneyasu N., Igarashi Y., Uchida M., Kondo M.
Name of Society : Symp.Atmos.Chem.Phys.Mt.Sites (2010)
Name of Proceedings : Abstracts
Reconstruction of rainfall amount variability in central Alaska since past 1ka using peat cellulose δ13C

Presenter : Shinozaki T., Uchida M., Kondo M., Yoshikawa K.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 155
Radiocarbon dating for paleoenviromental peat archive: the case study using cellulose from peat core reached to 15ka in northern Japan

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Program
Sedimentary organic matter variations in the Chukchi Borderland since the last deglaciation

Presenter : Rella S. , Uchida M.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 138
Community structure of marine planktonic archaea in the Pacific sector of the Arctic Ocean

Presenter : Akiyama S., Sato C., Gang C., Uchida M., Utsumi M.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 142
Constraining radiocarbon signature of soil organic matter in tundra and boreal forests, Alaska

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Shibata Y.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 87
Radiocarbon-based estimates of residence times for soil organic carbon of Tundra and Boreal forests in Alaska

Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Shibata Y.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Abstracts, B41F-0379
Ice grounding and crater on the chukchi and beaufort borderland in the Arctic Ocean, evidented by multibeam bathymetric and sediment profiler

Presenter : Shibahara A. , Uchida M.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 119
A physics-based, depth structured simulation of soil organic carbon: study in Alaska with 14C data

Presenter : Ise T., Kondo M., Uchida M.
Name of Society : Second International Symposium on the Arctic Research (2010)
Name of Proceedings : Abstracts of Second International Symposium on the Arctic Research
Constructing a Depth-Stratified Model for Soil Organic Carbon: a Brand-new, Integrated Ecosystem Model with Radiocarbon Tracking

Presenter : Ise T., kato N., Enomoto H., Kondo M., Uchida M.
Name of Society : American Geophysical Union 2010 fall meeting (2010)
Name of Proceedings : Abstracts of American Geophysical Union 2010 fall meeting
The heterotrophic respiration using old carbon in arctic soil: Insights from compound-specific radiocarbon analysis

Presenter : Uchida M., Uchida M., Utsumi M., Kondo M., Takahashi Y., Shibata Y.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 81
Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis

Presenter : Uchida M., Utsumi M., Kondo M., Takahashi Y., Uchida M.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Abstracts, B41F-0378
The trans-Arctic water (14)C sections from MIRAI and NABOS cruises: Reconstruction of surface mid-deep water ventilation ages and their comparison of past 14C inventory data

Presenter : Uchida M., Kumamoto Y., Polyakov I., Ivanov V., Kim Y., Rozman P., Utsumi M., Shimada K., Murata M., Shibata Y.
Name of Society : 2nd Int.Symp.Arct.Res. (2010)
Name of Proceedings : Abstracts, 137
NW Pacific mid-depth ventilation changes during the Holocene

Presenter : Rella S. , Uchida M.
Name of Society : AGU Fall Meeting 2010 (2010)
Name of Proceedings : Program, 16
Radiocarbon dating for paleoenviromental peat archive: The case study of plant cellulose from peat core reached to 15ka in northern Japan

Presenter : Shinozaki T., Uchida M., Kondo M., Minoura K., Shibata Y.
Name of Society : Environ.Radioact.2010 (2010)
Name of Proceedings : Abstracts
Radiocarbon constraints for soil carbon accumulation and carbon release of boreal forests and tundra ecosystem in Alaska

Presenter : Kondo M., Uchida M., Kim Y., Takahashi Y., Shinozaki T., Utsumi M., Shibata Y.
Name of Society : Environ.Radioact.2010 (2010)
Name of Proceedings : Abstracts
NW Pacific mid-depth ventilation changes during the Holocene

Presenter : Rella S. , Uchida M.
Name of Society : Environ.Radioact.Conf.2010 (2010)
Name of Proceedings : Abstracts
Seasonal cycle and interannual variability of atmospheric radiocarbon((14)CO2) over the western Pacific

Presenter : Terao Y., Kitagawa H., Mukai H., Nojiri Y., Uchida M., Shibata Y., Aramaki T., Maksyutov S., Valsala V.
Name of Society : 8th Int.Carbon Dioxide Conf. (2009)
Name of Proceedings : Abstracts, T1-011
Effects of rainfall on carbon isotopes of POC in the Teshio River, Northern Japan

Presenter : Aramaki T., Nagao S., Nakamura Y., Uchida M., Shibata Y.
Name of Society : 20th Int.Radiocarbon Conf. (2009)
Name of Proceedings : Abstracts, 146
Distribution of cell membrane lipids of Crenarchaeota in the Arctic Ocean

Presenter : Kuroki Y., Uchida M., Sato C., Utsumi M., Kato H., Shibata Y.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P008
Pilot study on carbon cycle of Marine Crenarchaeota in the Arctic Ocean using molecular biological approaches

Presenter : Sato C., Utsumi M., Kuroki Y, Uchida M.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P006
Novel radiocarbon chronology tool using archaeal tetraether lipids in the western Arctic Ocean sediments

Presenter : Uchida M., Utsumi M., Kato H., Shibahara A., Kuroki Y., Shimada K., Shibata Y.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P005
Isotopic signatures of soil organic carbon in a successional glacier foreland in Ny-Alesund, Svalbard

Presenter : Kondo M., Uchida M., Uchida M., Ohtsuka T., Yoshitake S., Koizumi H., Nakatsubo T.
Name of Society : 日本地球惑星科学連合 2009年大会 (2009)
Name of Proceedings : 同予稿集, L137-P004
Comparison of soil carbon accumulation in conifer and broad leaf forests using radiocarbon measurements

Presenter : Toyota A., Tayasu I., Fujimaki R., Kaneko N., Uchida M., Shibata Y., Hiura T.
Name of Society : 20th Int.Radiocarbon Conf. (2009)
Characteristic distribution and structure of planktonic archaea in the Arctic Ocean

Presenter : Sato C., Kuroki Y., Chen G., Uchida M., Utsumi M.
Name of Society : AGU Fall Meeting 2009 (2009)
Name of Proceedings : Abstracts, OS23A-1174
How does the management-induced change in soil organic matter control carbon dynamics and organo-mineral associations in a volcanic-ash soil in Central Japan?

Presenter : Wagai R, Kishimoto A., Yonemura S., Shirato Y., Hiradate S., Uchida M.
Name of Society : ASA-CSSA-SSSA 2009 Int.Annu.Meet. (2009)
Radiocarbon analysis of single-year tree rings at the last glacial-deglacial transition

Presenter : Minoura K., katsumata M., Horiuchi K., Shibata Y., Uchida M.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 87
The use of Δ(14)C as an indicator of carbon transfer in stream ecosystems

Presenter : Ishikawa N., Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 90
The stable and radio isotopic signatures of sedeimentary black carbon(BC) in the Chukchi and Bering Seas

Presenter : Kumata H., Uchida M., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 125
Radiocarbon-based source apportionment of incomplete combustion products(PAHsBC) in PM10 aerosols from residential area of suburban Tokyo

Presenter : Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 105
Radiocarbon-based residence time of soil organic carbon in a temperate forest: case study for the density fractionation for volcanic ash soil

Presenter : Kondo M., Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 88
Photochemical extraction system for radiocarbon analysis of marine dissolved organic carbon at NIES-TERRA

Presenter : Uchida M., Suzuki M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 130
Deglacial ventilation history in the mid-deep North Pacific Water: Evidence for the mechanism of deglacial atmospheric CO2 rise

Presenter : Uchida M., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 131
Preliminary results of compound-specific radiocarbon analysis of nucleic acids: Implication for microbial carbon source identification and carbon cycles in the ocean

Presenter : Kuroki Y., Uchida M., Utsumi M., Suzuki M., Matsuda A., Kumamoto Y., Sato C., Ghen G., Shibata Y.
Name of Society : AMS-11 (2008)
Name of Proceedings : Abstracts, 126
Carbon isotopes and lignin composition of POC in a small river in Bekanbeushi moor, northern Japan

Presenter : Nagao S., Aramaki T., Seki O., Uchida M., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 125
Occurrence of Diploptene and its carbon isotope values in East Sea sediments: Implications for methane release and palease and paleoceanography

Presenter : Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 7
σ(15)N variations in the western North Pacific synchronized with D/O events

Presenter : Horikawa K, Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 68
Variation of the sea-ice and primary productivity in the Bering and Okhotsk Seas since the Last Glacial Maximum

Presenter : Katsuki K., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 64
Millennial-scale variations of sediment characteristics at Bering Sea slope during the last glacial and deglaciation period and their implications

Presenter : Rella S., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 65
Late quaternary oceanic conditions deduced from the total organic carbon and total nitrogen contents of the sediment cores off the Shimokita Peninsula Northwest Pacific

Presenter : Kumon F., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 69
Millennial-scale paleoceanographic response to the Bering Sea during the Last 65 kyrs

Presenter : Kim S., Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 137
Alkenoens-SST and TEX86 variations synchronuzed with D/O cycles in the western North Pacific: First paleoceanographic results from the D/V CHIKYU shakedown cruise

Presenter : Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 144
Deglacial ventilation history in the North Pacific mid-deep water: Implications for active North Pacific deep water formation synchronized with Atlantic Meridional Overturning Circulation

Presenter : Uchida M.
Name of Society : 6th Int.Conf.Asia Mar.Geol. (2008)
Name of Proceedings : Abstracts, 145
Hydrodynamic controls on the molecular-level compositions Δ(14)C and δ(13)C signatures of organic matter in sediments along a shelf-slope-basin transect

Presenter : Uchida M., Eglinton i. t., Montluçn d., Hayes j.m., Coppola l., Gustafsson Ö., Andersson p.
Name of Society : Gordon Res.Conf.Org.Geochem. (2008)
Name of Proceedings : Abstracts
Radiocarbon measurements of elemental carbon in aerosols at NIES-TERRA

Presenter : Wagai R., Uchida M., Suzuki M., Hasegawa S., Kobayashi S., Tanabe K., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 107
Radiocarbon based carbon source identification of soil respiration Spitsbergen Island in the Norwegian high Arctic

Presenter : Uchida M., Uchida M., Takahashi Y., Nakatsubo T.
Name of Society : 日本地球惑星科学連合 2008年大会 (2008)
Name of Proceedings : 同予稿集, L173-P005
Deglacial ventilation history in North Pacific intermediate water: Anti-phased with Atlantic overturning circulation

Presenter : Uchida M., Eglinton T.I. , Montluçn d., Hayes J.M., Coppola L., Gustafsson Ö. , Andersson p.
Name of Society : EGU Gen.Assem.2008 (2008)
Name of Proceedings : Abstracts, 10:EGU2008-A-05283
Stable carbon and radiocarbon isotopic signatures of plant derived biomarkers in forest fine aerosol

Presenter : Uchida M., Kumata k., Kondo M., Murayama S., Saigusa N.
Name of Society : EGU Gen.Assem.2008 (2008)
Name of Proceedings : Abstracts, 10:EGU2008-A-05329
Radiocarbon-based turnover time estimates of soil organic carbon in a cool-temperate deciduous forest in Asian Monsoon Region

Presenter : Uchida M., Kondo M., Murayama S., Shirato Y., Ohtsuka T.
Name of Society : EGU Gen.Assem.2008 (2008)
Name of Proceedings : Abstracts
Geochemical evidence for millenial-scale variation of intermediate water intensity in the Bering Sea during the last glacial-interglacial cycles-

Presenter : Rella S.(*1), Tada R.(*1), Uchida M., Nagashima K.(*2), Itaki T.(*3), Ohkushi K., Harada N.(*2)
Name of Society : 第11回みらいシンポジウム (2008)
Preliminary result of radiocarbon monitoring in surface water in the North Pacific

Presenter : Aramaki T., Nojiri Y., Mukai H., Uchida M., Shibata Y.
Name of Society : 11th Int.Conf.Accel.Mass Spectrom. (2008)
Name of Proceedings : Abstracts, 136
Hydrodynamic controls on archaeal tetraether lipid compositions in Washington margin sediments: Insights from compound-specific radiocarbon measurements

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP33A-1532
North Pacific deep water formation and carbon dioxide rise during the last deglaciation

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP23A-1457
Role of the Bering Sea on the glacial strength of North Pacific Intermediate Water in the North Pacific

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP438-1518
Sea-ice distribution and pressure pattern in the Bering and Okhotsk Seas since the Last Glacial Maximum

Presenter : Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, PP43B-1516
Soil organic matter storage and dynamics along altitudinal gradient in bornean tropical forests: Preliminary radiocarbon results of bulk soils and density fractions

Presenter : Wagai R., Uchida M., Suzuki M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, B23B-0421
Soil organic carbon residence time in Japanese temperate forest: Insight from radiocarbon analysis of density fractionated soil

Presenter : Kondo M., Uchida M., Wagai R., Suzuki M., Shibata Y.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, B11D-0392
Radiocarbon chronology using sedimentary archaeal tetraether lipids in the western Arctic Ocean

Presenter : Utsumi M., Uchida M., Shimada K.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts
Radiocarbon analysis of elemental carbon and total organic carbon in atmospheric aerosols collected at Cape Hedo Okinawa Japan

Presenter : Suzuki M., Shibata Y., Uchida M.
Name of Society : AGU Fall Meeting 2008 (2008)
Name of Proceedings : Abstracts, A31A-0073
Heterotrophic microbial decomposition of ancient carbon in the soil sequence after the glacier retreat Svalvard Norway Arctic

Presenter : Uchida M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 353-356
Microbial activity and decomposition characteristics in a raised beach deposit under terrestrial vegetation on the high Arctic deglaciated area

Presenter : Uchida M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 350-352
Elemental and isotopic signatures of soil organic carbon and its relation to vegetation in a successional glacier foreland in Ny-Alesund Svalbard

Presenter : Kondo M., Uchida M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 360-363
Molecular markers of archaeal tetraether lipids from the Chukchi Sea shelf sediments: Potential proxy for past terrestrial and marine environmental changes

Presenter : Uchida M., Matsuda A., Suzuki M.
Name of Society : 1st Int.Symp.Arct.Res.(ISAR-1) (2008)
Name of Proceedings : Proceedings, 279-281

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North Pacific Intermediate Water changes in the Bering Sea during the last glacial and deglacial period in association with abrupt climate changes

Presenter : Rella S. , Tada R., Nagashima K., Ikehara K., Itaki T., Ohkushi K, Sakamoto T., Harada N., Uchida M.
Name of Society : Climate Res.Semin. (2010)
Name of Proceedings : -

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UCHIDA Masao

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