Latest Update：2026/01/08 10:16:33

TAKAHASHI Yoshiyuki

Researcher Name: TAKAHASHI Yoshiyuki

Div (Section) name/title: Earth System Division（Office for Terrestrial Monitoring）／Head

Research Subject: Study on atmosphere-terrestrial biosphere exchange of CO2 and other trace gases

Degree(s): Doctor of Science

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

Environmental Speciality Field: global warming,carbon cycle,biogeochemistry

Keyword(s): isotope analysis,GC analysis,meteorological observation,chemical tracers,technical development,field observation

Brief Description of Research: I make a research into a carbon cycle processes in atmosphere and terrestrial biosphere using chemical tracers (trace gases and isotopes). Technical development of field-observation and lab-analyses are also my important research theme.

Career: 1990 Bachelor of Science, Nagoya Univ., Dept. of Sci., School of chemistry
1992 Master of Science, Nagoya Univ., Institute of Hydrospheric-Atmospheric Sciences
2000 Doctor of Science, Nagoya Univ.

Membership of Academic Society: The Geochemical Society of Japan,American Geophysical Union,Ecological Society of Japan,Japanese Society for Atmospheric Environment,The Society of Agricultural Meteorology of Japan

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
- 27413 : Atmospheric and Oceanic Monitoring
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
- 27102 : Atmospheric and Oceanic Monitoring
Fiscal Year: 2023
- 26400 : Climate Change and Air Quality Research Program
- 26409 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
- 26450 : Earth System Domain: Foresight and Advanced Basic Research
- 26587 : Terrestrial Monitoring
- 26590 : Development of New Biological and Environmental Monitoring Methods in Forest Ecosystems
- 26593 : Long-term, wide-area observations of the effects of climate change-induced ecosystem disturbances on forest carbon sequestration and development of a risk map
- 26654 : Atmospheric and Oceanic Monitoring
Fiscal Year: 2022
- 25964 : Climate Change and Air Quality Research Program
- 25965 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
- 26006 : Earth System Domain: Foresight and Advanced Basic Research
- 26264 : Atmospheric and Oceanic Monitoring
- 26358 : Terrestrial Monitoring
Fiscal Year: 2021
- 25498 : Climate Change and Air Quality Research Program
- 25506 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
- 25655 : Earth System Domain: Foresight and Advanced Basic Research
- 25821 : Application of methods for biological and environmental monitoring of forest ecosystem
- 25822 : Elucidation of the synergistic environmental impact of summer heavy rainfall formation and air pollution in mountainous areas
- 25824 : Terrestrial Monitoring
- 25833 : Atmospheric and Oceanic Monitoring
Fiscal Year: 2020
- 25113 : Long-term Monitoring and Database for Global Environmental Research and Supporting for Related Activities
- 25128 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
- 25321 : Terrestrial Monitoring
- 25411 : Atmospheric and Oceanic Monitoring
- 25432 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts
- 25459 : Application of methods for biological and environmental monitoring of forest ecosystem
Fiscal Year: 2019
- 24708 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
- 24745 : Long-term Monitoring and Database for Global Environmental Research and Supporting for Related Activities
- 24888 : Terrestrial Monitoring
- 24889 : Comprehensive evaluation of CH4 and N2O release from oil palm plantation
- 24890 : Application of methods for biological and environmental monitoring of forest ecosystem
- 25019 : Atmospheric and Oceanic Monitoring
- 25056 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts
Fiscal Year: 2018
- 24291 : Study on multi-scale evaluation system for GHG variation and mitigation
- 24315 : Long-term monitoring and database for global environmental research and supporting for related activities
- 24545 : Establishment of methods for biological and environmental monitoring of forest ecosystem
- 24548 : Terrestrial Monitoring
- 24550 : Comprehensive evaluation of CH4 and N2O release from oil palm plantation
- 24578 : Atmospheric and Oceanic Monitoring
Fiscal Year: 2017
- 23837 : Study on multi-scale evaluation system for GHG variation and mitigation
- 23877 : Long-term monitoring and database for global environmental research and supporting for related activities
- 24062 : Terrestrial Monitoring
- 24063 : Establishment of methods for biological and environmental monitoring of forest ecosystem
- 24136 : Comprehensive evaluation of CH4 and N2O release from oil palm plantation
- 24146 : Atmospheric and Oceanic Monitoring
Fiscal Year: 2016
- 23399 : Study on multi-scale evaluation system for GHG variation and mitigation
- 23470 : Long-term monitoring and database for global environmental research and supporting for related activities
- 23664 : Terrestrial Monitoring
- 23688 : Establishment of methods for biological and environmental monitoring of forest ecosystem
- 23714 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
- 23735 : Atmospheric and Oceanic Monitoring
Fiscal Year: 2015
- 22992 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
- 23026 : Long-term monitoring and database for global environmental research and supporting for related activities
- 23190 : Atmospheric and Oceanic Monitoring
- 23249 : Terrestrial Monitoring
- 23251 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
- 23270 : Evaluation of Soil CO2 Efflux of Asian Forest Ecosystems based on an Automated Chamber Network
Fiscal Year: 2014
- 22580 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
- 22614 : Long-term monitoring and database for global environmental research and supporting for related activities
- 22638 : Terrestrial Monitoring
- 22671 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
- 22675 : Capcity building for Asian terrestrial carbon budget moitoring network
- 22851 : The potential of carbon sink/source of Japanese Forest soils
- 22920 : Atmospheric and Oceanic Monitoring
Fiscal Year: 2013
- 22164 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
- 22198 : Long-term monitoring and database for global environmental research and supporting for related activities
- 22379 : Atmospheric and Oceanic Monitoring
- 22391 : Terrestrial Monitoring
- 22522 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
Fiscal Year: 2012
- 21735 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
- 21769 : Long-term Monitoring and database for Global Environmental Research and supporting for related activities
- 21922 : Terrestrial Monitoring
- 21924 : Asia GEO Grid Initiative
- 21930 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
- 22118 : Atmospheric and Oceanic Monitoring
- 22138 : Development of GHG observation by GOSAT and its data analysis
Fiscal Year: 2011
- 21284 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
- 21327 : Long-term Monitoring and database for Global Environmental Research and supporting for related activities
- 21372 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
- 21373 : Asia GEO Grid Initiative
- 21382 : Terrestrial Monitoring
- 21595 : Atmospheric and Oceanic Monitoring
- 21724 : Research and Development for measurement technique of CO2 sink and emission by forest area
Fiscal Year: 2010
- 21025 : Terrestrial Monitoring
- 21026 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
- 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
- 21238 : Basic research on usage of chemical tracers in studies of atmosphere-terrestrial biosphere CO2 exchange
Fiscal Year: 2009
- 20608 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
- 20650 : Terrestrial Monitoring
- 20651 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
- 20721 : A quantitative analysis of the mechanisms of soil organic carbon accumulation and an experimental evaluation of their effects on climate change
- 20732 : Evaluation of the Effect of Global Warming on Soil Respiration of Japanese Forest Ecosystems
- 20741 : Basic research on usage of chemical tracers in studies of atmosphere-terrestrial biosphere CO2 exchange
Fiscal Year: 2008
- 20160 : Terrestrial Monitoring
- 20168 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
- 20283 : Basic research on usage of chemical tracers in studies of atmosphere-terrestrial biosphere CO2 exchange
- 20307 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
Fiscal Year: 2007
- 10412 : Studies on exchange of trace gases and stable isotope of atmospheric CO2 between atmosphere and terrestrial ecosystem
- 10484 : Development of isotope/trace gases observation method for CO2 flux partitioning
- 10548 : Initiation of the next-generation AsiaFlux
- 10574 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
- 10595 : Terrestrial Monitoring
- 10748 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
Fiscal Year: 2006
- 10066 : A study on transportation of atmospheric CO2 by high-frequency observation in the continental planetary boudary layer.
- 10136 : Studies on exchange of trace gases and stable isotope of atmospheric CO2 between atmosphere and terrestrial ecosystem
- 10220 : Observation of exchange processes of trace gas species and carbon stable isotope of atmospheric CO2 on plant leaf under natural environment
- 10227 : Development of isotope/trace gases observation method for CO2 flux partitioning
- 10307 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
- 10328 : Terrestrial Monitoring
Fiscal Year: 2005
- 9328 : Global Environmental Monitoring
- 9537 : A study on transportation of atmospheric CO2 by high-frequency observation in the continental planetary boudary layer.
- 9639 : Studies on exchange of trace gases and stable isotope of atmospheric CO2 between atmosphere and terrestrial ecosystem
Fiscal Year: 2004
- 8935 : Global Environmental Monitoring
- 8965 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.
- 9053 : Studies on exchange of greenhouse gases between atmosphere and terrestrial ecosystem
- 9133 : Studies on temporal variability in isotopic signature during CO2 exchange between atmosphere and Larch forest ecosystem
- 9288 : A study on transportation of atmospheric CO2 by high-frequency observation in the continental planetary boudary layer.
Fiscal Year: 2003
- 8599 : Global Environmental Monitoring
- 8660 : Estimation of CO2 absorption in a scale from indivisual forest to sub-continent through the observation in planetary boundary layer.
- 8661 : Analysis of temporal variability of global CO2 sink by using oxygen and isotope ratio in the atmosphere
- 8677 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.
- 8772 : Studies on exchange of greenhouse gases between atmosphere and terrestrial ecosystem
- 8849 : Studies on temporal variability in isotopic signature during CO2 exchange between atmosphere and Larch forest ecosystem
Fiscal Year: 2002
- 8306 : Global Environmental Monitoring
- 8322 : Studies on carbon fixtation in the Eastern Asian ecosystem based on AsiaFlux Network. (3) Studies on Establishement of Flux-Network in the Eastern Asian Ecosystem.
- 8350 : Study on carbon fixation in the Eastern Asian ecosystem based on the establishment of Asia Flux Network (2) Study on evaluation of material flow using isotope measurement in ecosystem
- 8443 : Estimation of CO2 absorption in a scale from indivisual forest to sub-continent through the observation in planetary boundary layer.
- 8444 : Analysis of temporal variability of global CO2 sink by using oxygen and isotope ratio in the atmosphere
- 8461 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.
Fiscal Year: 2001
- 8000 : Global Environmental Monitoring
- 8029 : B-3 Studies on carbon fixtation in the Eastern Asian Ecosystem based on AsiaFlux Network.(sub)Studies on Establishement of Flux-Network in the Eastern Asian Ecosystem.
- 8035 : Studies on behavior of greenhouse gases in the troposphere using isotope measurements
- 8103 : B-3 Study on carbon fixation in the Eastern Asian Ecosystem based on the establishment of Asia Flux Network Study on evaluation of material flow using isotope measurement in ecosystem
- 8226 : Estimation of CO2 absorption in a scale from indivisual forest to sub-continent through the observation in planetary boundary layer.
- 8227 : Analysis of temporal variability of global CO2 sink by using oxygen and isotope ratio in the atmosphere
- 8240 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.

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Research Result (Publication)

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Original Paper

Original Paper
Beyond rain: Fog as a dominant pathway for acid deposition in Japan's Montane Forests

Presenter : Wang Y., Okochi H., Hayami H., Igawa M., Takahashi Y., Yagoh H., Kuribayashi M., Kanno Y., Nitta K., Sase H., Aikawa M.
Title : , Atmospheric Research, 330:108605 (2026)
Original Paper
Assessment of the Applicability of Hue from In Situ Spectral Measurements to Remote Sensing of Plant Phenology

Presenter : Mizuno Y., Sasagawa T., Takahashi Y., Ide R., Kobayashi T., Muraoka H., Takagi K., Ono K., Nasahara K. N.
Title : , Remote Sensing, 17(16): (2025)
Original Paper
The JapanFlux2024 dataset for eddy covariance observations covering Japan and East Asia from 1990 to 2023

Presenter : Ueyama M., Takao U., Tanaka M., Yabuki H., Kumagai T., Iwata H., Awal M.A., Du M., Harazono Y., Hata Y., Hirao T., Hiura T., Ide R., Ishida S., Ishikawa M., Kitamura K., Kominami Y., Komiya S., Kotani A., Inoue Y., Machimura T., Matsumoto K., Matsuura Y., Mizoguchi Y., Murayama S., Nagano H., Nakai T., Nakaji T., Nakaya K., Ohkubo S., Ohta T., Ono K., Saitoh T.M., Sakabe A...., Shimizu T., Shimoda S., Sugita M., Takagi K., Takahashi Y., Takamura N., Takanashi S., Takimoto T., Yasuda Y., Asanuma J., Hasegawa H., Hiyama T., Iijima Y., Ishidoya S., Itoh M., Kato T., Kondo H., Kosugi Y., Kume T., Maeda T., Matsuura S., Maximov T., Miyama T., Moriwaki R., Muraoka H., Petrov R., Suzuki J., Taniguchi S., Ichii K.
Title : , Earth System Science Data, 17(8):3807-3833 (2025)
Original Paper
Dissolved N2O concentrations in oil palm plantation drainage in a peat swamp of Malaysia Author links open overlay panel

Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Terajima K., Waili J.W.B., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
Title : , Science of The Total Environment, 872:162062 (2023)
Original Paper
Source Contributions to Multiple Toxic Potentials of Atmospheric Organic Aerosols

Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
Title : , Science of the Total Environment, 773(145614):1-10 (2021)
Original Paper
Constraining models for methane oxidation based on long-term continuous chamber measurements in a temperate forest soil

Presenter : Ueyama M., Fujimoto A., Ito A., Takahashi Y., Ide R.
Title : , Agricultural and Forest Meteorology, 310:108654 (2021)
Original Paper
Seasonal variation of monoterpene emissions from forest floor and its contribution to whole canopy flux in a Larix kaempferi forest

Presenter : Mochizuki T., Ujihara M., Takahashi Y., Kobayashi H., Tani A.
Title : , Geochemical Journal, 55:313-324 (2021)
Original Paper
Environmental Controls of Diffusive and EbullitiveMethane Emissions at a Subdaily Time Scale inthe Littoral Zone of a Midlatitude Shallow Lake

Presenter : Taoka T., Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M.
Title : , Journal of Geophysical Research: Biogeosciences, 125:e2020JG005753 (2020)
Original Paper
Temporal and spatial variations in methane emissions from the littoral zone of a shallow mid-latitude lake with steady methane bubble emission areas

Presenter : Iwata H., Nakazawa K., Sato H., Itoh M., Miyabara Y., Hirata R., Takahashi Y., Tokida T., Endo R.
Title : , Agricultural and Forest Meteorology, 295:108184 (2020)
Original Paper
Large-scale ecological field data for satellite validation in deciduous forests and grasslands

Presenter : Akitsu T.K., Nakaji T., Kobayashi H., Okano T., Honda Y., Bayarsaikhan U., Terigele, Hayashi M., Hiura T., Ide R., Igarashi S., Kajiwara K., Kumikawa S., Matsuoka Y., Nakano T., Nakano T., Okuda A., Sato T., Tachiiri K., Takahashi Y., Uchida J., Nasahara K.N.
Title : , Ecological Research, 35(6):1010-1028 (2020)
Original Paper
Enhanced understory carbon flux components and robustness of net CO2 exchange after thinning in a larch forest in central Japan

Presenter : Teramoto M., Liang N., Takahashi Y., Zeng J., Saigusa N., Ide R., Zhao X.
Title : , Agricultural and Forest Meteorology, 274:106-117 (2019)
Original Paper
Observation of vertical profiles of NO, O3, and VOCs to estimate their sources and sinks by inverse modelling in a Japanese larch forest.

Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
Title : , Journal of Agricultural Meteorology, in press (2019)
Original Paper
Identification of secondary fatty alcohols in atmosphericaerosols in temperate forests

Presenter : Miyazaki Y., Gowda D., Tachibana E., Takahashi Y., Hiura T.
Title : , Biogeosciences, 16:2181-2188 (2019)
Original Paper
Partitioning Eddy-Covariance Methane Fluxes from a Shallow Lake into Diffusive and Ebullitive Fluxes

Presenter : Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M., Iizuka K.
Title : , Boundary-Layer Meteorology, 169(3):413-428 (2018)
Original Paper
Long-term chamber measurements reveal strong impacts of soil temperature on seasonal and inter-annual variation in understory CO2 fluxes in a Japanese larch (Larix kaempferi Sarg.) forest

Presenter : Teramoto M., Liang N., Zeng J., Saigusa N., Takahashi Y.
Title : , Agricultural and Forest Meteorology (2017)
Original Paper
Secondary formation of oxalic acid and related organic species from biogenic sources in a larch forest at the northern slope of Mt. Fuji

Presenter : Mochizuki T., Kawamura K., Miyazaki Y., Wada R., Takahashi Y., Saigusa N., Tani A.
Title : , Atmospheric Environment, 166:255-262 (2017)
Original Paper
Continuous measurements of stable isotopes of carbon dioxide and water vapour in an urban atmosphere: isotopic variations associated with meteorological conditions

Presenter : Wada R., Matsumi Y., Nakayama T., Hiyama T., Fujiyoshi Y., Kurita N., Muramoto K., Takanashi S., Kodama N., Takahashi Y.
Title : , Isotopes in Environmental and Health Studies, 1-14 (2017)
Original Paper
Spatial and seasonal variations of CO2 flux and photosynthetic and respiratory parameters of larch forests in East Asia

Presenter : Takagi K., Hirata R., Ide R., Ueyama M., Ichii K., Saigusa N., Hirano T., Asanuma J., Li S.G., Machimura T., Nakai Y., Ohta T., Takahashi Y.
Title : , Soil Science and Plant Nutrition, 61:61-75 (2015)
Original Paper
Methane uptake in a temperate forest soil using continuous closed-chamber measurements

Presenter : Ueyama M., Takeuchi R., Takahashi Y., Ide R., Ataka M., Kosugi Y., Takahashi K., Saigusa N.
Title : , Agricultural and Forest Meteorology, 213:1-9 (2015)
Original Paper
Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in the foothills of a high mountain

Presenter : Takahashi Y., Saigusa N., Hirata R., Ide R., Fujinuma Y., Okano T., Arase T.
Title : , Journal of Agricultural Meteorology, 71(4):302-317 (2015)
Original Paper
Emissions of biogenic volatile organic compounds and subsequent formation of secondary organic aerosols in a Larix campfire forest

Presenter : Mochizuki T., Miyazaki Y., Ono K., Wada R., Takahashi Y., Saigusa N., Kawamura K., Tani A.
Title : , Atmospheric Chemistry and Physic, 15:1-13 (2015)
Original Paper
Long-term measurement of terpenoid flux above a Larix kaempferi forest using a relaxed eddy accumulation method

Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N., Ueyama M.
Title : , Atmospheric Environment, 83:53-61 (2014)
Original Paper
Dynamics of ecosystem carbon balance recovering from a clear-cutting in a cool-temperate forest

Presenter : Aguilos M., Takagi K., Liang N., Ueyama M., Fukuzawa K., Nomura M., Kishida O., Fukazawa T., Takahashi H., Kotsuka C., Sakai R., Ito K., Watanabe Y., Fujinuma Y., Takahashi Y., Murayama T., Saigusa N., Sasa K.
Title : , Agricultural and Forest Meteorology, 197:26-39 (2014)
Original Paper
Inferring methane fluxes at a larch forest using Lagrangian, Eulerian, and hybrid inverse models

Presenter : Ueyama M., Takanashi S., Takahashi Y.
Title : , Journal of Geophysical Research:Biogeosciences, 119(10):2018-2031 (2014)
Original Paper
High-precision measurements of the methane flux over a larch forest based on a hyperbolic relaxed eddy accumulation method using a laser spectrometer

Presenter : Ueyama M., Takai Y., Takahashi Y., Ide R., Hamotani K., Kosugi Y., Takahashi K., Saigusa N.
Title : , Agricultural and Forest Meteorology, 178-179:183-193 (2013)
Original Paper
Sustained large stimulation of soil heterotrophic respiration rate and its temperature sensitivity by soil warming in a cool-temperate forested peatland

Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Teramoto M., Goto S., Takahashi Y., Mukai H., Sasa K.
Title : , Tellus B, 65:20792 (2013)
Original Paper
Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

Presenter : UEYAMA M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
Title : , Theoretical and Applied Climatology (2012)
Original Paper
Influences of various calculation options on heat, water and carbon fluxes determined by open- and closed-path eddy covariance methods

Presenter : Ueyama M., Hirata R., Mano M., Hamotani K., Harazono Y., Hirano T., Miyata A., Takagi K., Takahashi Y.
Title : , Tellus B, 64(19048):1-26 (2012)
Original Paper
Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

Presenter : Ueyama M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
Title : , Theoretical and Applied Climatology, 109:461-472 (2012)
Original Paper
Soil warming in a cool-temperate mixed forest with peat soil enhanced heterotrophic and basal respiration rates but Q10 remained unchanged

Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Goto S., Takahashi Y., Mukai H., K. Sasa.
Title : , Biogeosciences Discussions, 8:6415-6445 (2011)
Original Paper
Simulating carbon and water cycles of larch forests in East Asia by the BIOME-BGC model with AsiaFlux data

Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
Title : , Biogeosciences, 7:959-977 (2010)
Original Paper
Change in CO2 balance under a series of forestry activities in a cool-temperate mixed forest with dense undergrowth

Presenter : Takagi K., Fukuzawa K., Liang N., Kayama M., Nomura M., Hojyo H., Sugata S., Shibata H., Fukazawa T., Takahashi Y., Nakaji T., Oguma H., Mano M., Akibayashi Y., Murayama T., Koike T., Sasa K., Fujinuma Y.
Title : , Glob.Change Biol., 15(5):1275-1288 (2009)
Original Paper
Variability in carbon stable isotope ratio of heterotrophic respiration in a deciduous needle-leaf forest

Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
Title : , J.Geophys.Res., 113:G01022 (2008)
Original Paper
Development of chamber-based sampling technique for determination of carbon stable isotope ratio of soil respired CO2 and evaluation of influence of CO2 enrichment in chamber headspace

Presenter : Takahashi Y., Liang N.
Title : , Geochem.J., 41(6):493-500 (2007)
Variations in atmospheric nitrous oxide observed at Hateruma monitoring station

Presenter : Tohjima Y., Mukai H., Maksyutov S., Takahashi Y., Machida T., Katsumoto M., Fujinuma Y.
Title : , Chemosphere-Global Change Sci., 2:435‐443 (2000)

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Beyond rain: Fog as a dominant pathway for acid deposition in Japan's Montane Forests

Presenter : Wang Y., Okochi H., Hayami H., Igawa M., Takahashi Y., Yagoh H., Kuribayashi M., Kanno Y., Nitta K., Sase H., Aikawa M.
Title : , Atmospheric Research, 330:108605 (2026)
Assessment of the Applicability of Hue from In Situ Spectral Measurements to Remote Sensing of Plant Phenology

Presenter : Mizuno Y., Sasagawa T., Takahashi Y., Ide R., Kobayashi T., Muraoka H., Takagi K., Ono K., Nasahara K. N.
Title : , Remote Sensing, 17(16): (2025)
The JapanFlux2024 dataset for eddy covariance observations covering Japan and East Asia from 1990 to 2023

Presenter : Ueyama M., Takao U., Tanaka M., Yabuki H., Kumagai T., Iwata H., Awal M.A., Du M., Harazono Y., Hata Y., Hirao T., Hiura T., Ide R., Ishida S., Ishikawa M., Kitamura K., Kominami Y., Komiya S., Kotani A., Inoue Y., Machimura T., Matsumoto K., Matsuura Y., Mizoguchi Y., Murayama S., Nagano H., Nakai T., Nakaji T., Nakaya K., Ohkubo S., Ohta T., Ono K., Saitoh T.M., Sakabe A...., Shimizu T., Shimoda S., Sugita M., Takagi K., Takahashi Y., Takamura N., Takanashi S., Takimoto T., Yasuda Y., Asanuma J., Hasegawa H., Hiyama T., Iijima Y., Ishidoya S., Itoh M., Kato T., Kondo H., Kosugi Y., Kume T., Maeda T., Matsuura S., Maximov T., Miyama T., Moriwaki R., Muraoka H., Petrov R., Suzuki J., Taniguchi S., Ichii K.
Title : , Earth System Science Data, 17(8):3807-3833 (2025)
Dissolved N2O concentrations in oil palm plantation drainage in a peat swamp of Malaysia Author links open overlay panel

Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Terajima K., Waili J.W.B., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
Title : , Science of The Total Environment, 872:162062 (2023)
Source Contributions to Multiple Toxic Potentials of Atmospheric Organic Aerosols

Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
Title : , Science of the Total Environment, 773(145614):1-10 (2021)
Constraining models for methane oxidation based on long-term continuous chamber measurements in a temperate forest soil

Presenter : Ueyama M., Fujimoto A., Ito A., Takahashi Y., Ide R.
Title : , Agricultural and Forest Meteorology, 310:108654 (2021)
Seasonal variation of monoterpene emissions from forest floor and its contribution to whole canopy flux in a Larix kaempferi forest

Presenter : Mochizuki T., Ujihara M., Takahashi Y., Kobayashi H., Tani A.
Title : , Geochemical Journal, 55:313-324 (2021)
Environmental Controls of Diffusive and EbullitiveMethane Emissions at a Subdaily Time Scale inthe Littoral Zone of a Midlatitude Shallow Lake

Presenter : Taoka T., Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M.
Title : , Journal of Geophysical Research: Biogeosciences, 125:e2020JG005753 (2020)
Temporal and spatial variations in methane emissions from the littoral zone of a shallow mid-latitude lake with steady methane bubble emission areas

Presenter : Iwata H., Nakazawa K., Sato H., Itoh M., Miyabara Y., Hirata R., Takahashi Y., Tokida T., Endo R.
Title : , Agricultural and Forest Meteorology, 295:108184 (2020)
Large-scale ecological field data for satellite validation in deciduous forests and grasslands

Presenter : Akitsu T.K., Nakaji T., Kobayashi H., Okano T., Honda Y., Bayarsaikhan U., Terigele, Hayashi M., Hiura T., Ide R., Igarashi S., Kajiwara K., Kumikawa S., Matsuoka Y., Nakano T., Nakano T., Okuda A., Sato T., Tachiiri K., Takahashi Y., Uchida J., Nasahara K.N.
Title : , Ecological Research, 35(6):1010-1028 (2020)
Enhanced understory carbon flux components and robustness of net CO2 exchange after thinning in a larch forest in central Japan

Presenter : Teramoto M., Liang N., Takahashi Y., Zeng J., Saigusa N., Ide R., Zhao X.
Title : , Agricultural and Forest Meteorology, 274:106-117 (2019)
Observation of vertical profiles of NO, O3, and VOCs to estimate their sources and sinks by inverse modelling in a Japanese larch forest.

Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
Title : , Journal of Agricultural Meteorology, in press (2019)
Identification of secondary fatty alcohols in atmosphericaerosols in temperate forests

Presenter : Miyazaki Y., Gowda D., Tachibana E., Takahashi Y., Hiura T.
Title : , Biogeosciences, 16:2181-2188 (2019)
Partitioning Eddy-Covariance Methane Fluxes from a Shallow Lake into Diffusive and Ebullitive Fluxes

Presenter : Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M., Iizuka K.
Title : , Boundary-Layer Meteorology, 169(3):413-428 (2018)
Long-term chamber measurements reveal strong impacts of soil temperature on seasonal and inter-annual variation in understory CO2 fluxes in a Japanese larch (Larix kaempferi Sarg.) forest

Presenter : Teramoto M., Liang N., Zeng J., Saigusa N., Takahashi Y.
Title : , Agricultural and Forest Meteorology (2017)
Secondary formation of oxalic acid and related organic species from biogenic sources in a larch forest at the northern slope of Mt. Fuji

Presenter : Mochizuki T., Kawamura K., Miyazaki Y., Wada R., Takahashi Y., Saigusa N., Tani A.
Title : , Atmospheric Environment, 166:255-262 (2017)
Continuous measurements of stable isotopes of carbon dioxide and water vapour in an urban atmosphere: isotopic variations associated with meteorological conditions

Presenter : Wada R., Matsumi Y., Nakayama T., Hiyama T., Fujiyoshi Y., Kurita N., Muramoto K., Takanashi S., Kodama N., Takahashi Y.
Title : , Isotopes in Environmental and Health Studies, 1-14 (2017)
Spatial and seasonal variations of CO2 flux and photosynthetic and respiratory parameters of larch forests in East Asia

Presenter : Takagi K., Hirata R., Ide R., Ueyama M., Ichii K., Saigusa N., Hirano T., Asanuma J., Li S.G., Machimura T., Nakai Y., Ohta T., Takahashi Y.
Title : , Soil Science and Plant Nutrition, 61:61-75 (2015)
Methane uptake in a temperate forest soil using continuous closed-chamber measurements

Presenter : Ueyama M., Takeuchi R., Takahashi Y., Ide R., Ataka M., Kosugi Y., Takahashi K., Saigusa N.
Title : , Agricultural and Forest Meteorology, 213:1-9 (2015)
Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in the foothills of a high mountain

Presenter : Takahashi Y., Saigusa N., Hirata R., Ide R., Fujinuma Y., Okano T., Arase T.
Title : , Journal of Agricultural Meteorology, 71(4):302-317 (2015)
Emissions of biogenic volatile organic compounds and subsequent formation of secondary organic aerosols in a Larix campfire forest

Presenter : Mochizuki T., Miyazaki Y., Ono K., Wada R., Takahashi Y., Saigusa N., Kawamura K., Tani A.
Title : , Atmospheric Chemistry and Physic, 15:1-13 (2015)
Long-term measurement of terpenoid flux above a Larix kaempferi forest using a relaxed eddy accumulation method

Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N., Ueyama M.
Title : , Atmospheric Environment, 83:53-61 (2014)
Dynamics of ecosystem carbon balance recovering from a clear-cutting in a cool-temperate forest

Presenter : Aguilos M., Takagi K., Liang N., Ueyama M., Fukuzawa K., Nomura M., Kishida O., Fukazawa T., Takahashi H., Kotsuka C., Sakai R., Ito K., Watanabe Y., Fujinuma Y., Takahashi Y., Murayama T., Saigusa N., Sasa K.
Title : , Agricultural and Forest Meteorology, 197:26-39 (2014)
Inferring methane fluxes at a larch forest using Lagrangian, Eulerian, and hybrid inverse models

Presenter : Ueyama M., Takanashi S., Takahashi Y.
Title : , Journal of Geophysical Research:Biogeosciences, 119(10):2018-2031 (2014)
High-precision measurements of the methane flux over a larch forest based on a hyperbolic relaxed eddy accumulation method using a laser spectrometer

Presenter : Ueyama M., Takai Y., Takahashi Y., Ide R., Hamotani K., Kosugi Y., Takahashi K., Saigusa N.
Title : , Agricultural and Forest Meteorology, 178-179:183-193 (2013)
Sustained large stimulation of soil heterotrophic respiration rate and its temperature sensitivity by soil warming in a cool-temperate forested peatland

Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Teramoto M., Goto S., Takahashi Y., Mukai H., Sasa K.
Title : , Tellus B, 65:20792 (2013)
Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

Presenter : UEYAMA M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
Title : , Theoretical and Applied Climatology (2012)
Influences of various calculation options on heat, water and carbon fluxes determined by open- and closed-path eddy covariance methods

Presenter : Ueyama M., Hirata R., Mano M., Hamotani K., Harazono Y., Hirano T., Miyata A., Takagi K., Takahashi Y.
Title : , Tellus B, 64(19048):1-26 (2012)
Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

Presenter : Ueyama M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
Title : , Theoretical and Applied Climatology, 109:461-472 (2012)
Soil warming in a cool-temperate mixed forest with peat soil enhanced heterotrophic and basal respiration rates but Q10 remained unchanged

Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Goto S., Takahashi Y., Mukai H., K. Sasa.
Title : , Biogeosciences Discussions, 8:6415-6445 (2011)
Simulating carbon and water cycles of larch forests in East Asia by the BIOME-BGC model with AsiaFlux data

Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
Title : , Biogeosciences, 7:959-977 (2010)
Change in CO2 balance under a series of forestry activities in a cool-temperate mixed forest with dense undergrowth

Presenter : Takagi K., Fukuzawa K., Liang N., Kayama M., Nomura M., Hojyo H., Sugata S., Shibata H., Fukazawa T., Takahashi Y., Nakaji T., Oguma H., Mano M., Akibayashi Y., Murayama T., Koike T., Sasa K., Fujinuma Y.
Title : , Glob.Change Biol., 15(5):1275-1288 (2009)
Variability in carbon stable isotope ratio of heterotrophic respiration in a deciduous needle-leaf forest

Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
Title : , J.Geophys.Res., 113:G01022 (2008)
Development of chamber-based sampling technique for determination of carbon stable isotope ratio of soil respired CO2 and evaluation of influence of CO2 enrichment in chamber headspace

Presenter : Takahashi Y., Liang N.
Title : , Geochem.J., 41(6):493-500 (2007)

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Research Result (Presentation)

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Research Presentation
Research Lecture

Research Presentation
Changes in water quality and greenhouse gas emissions in a pond system for treatment of palm oil mill effluent (POME)

Presenter : Onodera T., Takahashi Y., Nishina K., Hirata R., Waili J.W. , Kiew F. , Wong G.X., Melling L.
Name of Society : 12th IWA International Symposium on Waste Management Problems in Agro-Industries- AGRO'2025 (2025)
Name of Proceedings : Abstracts
Research Presentation
Evaluation of understory contribution to carbon assimilation in temperate forests using chlorophyll fluorescence and leaf photosynthetic rate measurements

Presenter : Morozumi T., Noda H., Kato T., Muraoka H., Takahashi Y.
Name of Society : AsiaFlux Conference 2025 (2025)
Name of Proceedings : Conference Book, 241
Research Presentation
Monitoring The Drought Impact On A Larch Forest With Solar-Induced Chlorophyll Fluorescence

Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y.
Name of Society : 9th GEWEX Open Science Meeting 2024 (2024)
Name of Proceedings : -
Research Presentation
The response of heterotrophic CO2 flux to estimation of long-term soil warming in a cool-temperate foreseted peatland

Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
Name of Society : 日本農業気象学会 2024年大会 (2024)
Name of Proceedings : 講演要旨, 227
Research Presentation
Full-spectral observation of leaf-level chlorophyll fluorescence to bridge the gap between tower and satellite observed solar-induced chlorophyll fluorescence (SIF) in a temperate deciduous forest and a subtropical evergreen forest in Japan

Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Takahashi Y., Matsumoto K.
Name of Society : The iLEAPS – OzFlux Joint Conference 2023 (2023)
Name of Proceedings : Abstracts
Research Presentation
Detection of midday depression with canopy-level solar-induced chlorophyll fluorescence and gross primary productivity: impact of heat extreme events in a deciduous needle-leaved forest

Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
Name of Society : AGU23 (American Geophysical Union Annual Meeting 2023) (2023)
Name of Proceedings : -
Research Presentation
Seasonal pattern of solar-induced chlorophyll fluorescence in three forest types observed on multiple platforms

Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y., Muraoka H., Matsumoto K.
Name of Society : Asiaflux 2023 (2023)
Name of Proceedings : Abstracts
Research Presentation
17 Years of Monitoring CO2 Flux in Japanese Larch Plantation Forests

Presenter : Takahashi Y., Ide R., Yamao Y.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts
Research Presentation
Seven-year variability in methane release from a shallow eutrophic lake in Japan

Presenter : Yamada M., Iwata H., Park H.D., Sawano K., Hirata R., Takahashi Y.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts
Research Presentation
An approach to estimate forest NEP including ecosystem disturbances using long-term flux observation in Japan

Presenter : Kominami Y., Hirata A., Iwasaki K., Katsushima T., Kitamura K., Matsui T., Miyama T., Mizoguchi Y., Mrishita T., Shimizu T., Takanashi S., Yasuda Y., Yoshifuji N., Hirata R., Takahashi Y., Ishidoya S., Kamezaki K., Maeda T., Murayama S., Saito T.M.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 91
Research Presentation
Elucidation of soil CO2/CH4 budget by integrated analysis of soil observation data

Presenter : Yamanuki H., Ichii K., Yamamoto Y., Teramoto M., Sun Lifei, Koarashi J., Atarashi-Ando M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Takahashi Y., Liang N.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 92
Research Presentation
Large CH4 Uptake Potential of Monsoon Forest Soils

Presenter : Liang N., Zhang Y., Hirano T., Takagi K., Lai D.Y.F., Chiang P-N., Ishida S., Kondo T., Teramoto M., Takagi M., Koarashi J., Ando M., Sun Lifei, Zeng J., Takahashi Y., Ichii K., Mohti A.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 110
Research Presentation
Soil Warming effect of the soil CO2 and CH4 fluxes in a cool-temperate forested peatland after 13-year continuous warming

Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 157
Research Presentation
Long-term CO2 and O3 flux monitoring in a cool-temperate forest to evaluate the effect of forestry management activities

Presenter : Kentaro T., Takahashi Y.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 65
Research Presentation
Observation activities for atmospheric greenhouse gases by CONTRAIL and other platforms by NIES and collaborators

Presenter : Machida T., Niwa Y., Umezawa T., Tsuboi K., Ishijima K., Fujita R., Matsueda H., Sasakawa M., Terao Y., Tohjima Y., Nara H., Saito T., Nakaoka S., Takao S., Aramaki T., Takahashi Y., Hirata R., Mueller A., Srivastava P., Morino I., Ohyama H., Frey M., Noda H., Mukai H., Shirai T., Tanimoto H.
Name of Society : WMO International Greenhouse Gas Monitoring Symposium (2023)
Name of Proceedings : -
Research Presentation
Field Observations of Greenhouse Gas Emissions from Palm Oil Mill Effluent (POME) Treatment Ponds in an Oil Palm Plantations on Tropical Peatlands

Presenter : Takahashi Y., Onodera T., Hirata R., Nishina K., Waili J.W., Aeries E.B., Kiew F., Wong G.X., Melling L.
Name of Society : AsiaFlux 2022 (2022)
Name of Proceedings : Book of Abstracts, 130
Research Presentation
Red and far-red solar-induced chlorophyll fluorescence responding to air temperature, humidity, and leaf growth in a Japanese larch forest site on a spring-summer transition

Presenter : MOROZUMI T., Noda H., Takahashi Y., Kato T.
Name of Society : AsiaFlux 2022 (2022)
Name of Proceedings : Abstracts
Research Presentation
Seasonal dynamics of dissolved N2O in the drainage ditch water & palm oil mill effluent of oil palm plantation in Sarawak

Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Waili J., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
Name of Society : AsiaFlux 2022 (2022)
Name of Proceedings : Abstracts, 52-53
Research Presentation
Driven of Tempo-Spatial Variations of Forest Soil Methane Uptake by Root Activity

Presenter : Sun Lifei, Liang N., Takahashi Y., Hirano T., Ishida S., Takagi M., Takagi K., Teramoto M., Kondo T., Koarashi J., Atarashi-Andoh M.
Name of Society : AsiaFlux Conference 2022 (2022)
Name of Proceedings : -
Research Presentation
CH4 Uptake of Asian Forest Soils in the Past, Present and Future

Presenter : Liang N., Kondo T., Takagi K., Hirano T., Ishida S., Teramoto M., Takagi M., Koarashi J., Atarashi-Andoh M., Zhang Y., Chiang P., Lai D., Sun Lifei, Zeng J., Takahashi Y., Ichii K.
Name of Society : AsiaFlux Conference 2022 (2022)
Name of Proceedings : -
Research Presentation
CHALLENGES IN IMPROVING THE RELIABILITY OF VARIOUS RADIATION PARAMETERS AT A JAPANESE SATELLITE OBSERVATION VALIDATION SITE

Presenter : Takahashi Y., Ide R., Hirose Y., Yamao Y.
Name of Society : 2022 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2022 (2022)
Name of Proceedings : Abstracts, 4314-4315
Research Presentation
Factors of spatial variation in soil CH4 uptake rate in forests in Western Honshu

Presenter : Teramoto M., Liang N., Sun Lifei, Kondo T., Koarashi J., Atarashi-Andoh M., Takagi M., Yamanaka N., Hirano T., Takagi K., Ishida S., Ichii K., Takahashi Y., Hu R.
Name of Society : Japan Genscience Union Meeting 2022 (2022)
Name of Proceedings : -
Research Presentation
A modeling study for forest structure effect on Solar-Induced chlorophyll Fluorescence in a relatively sparse canopy of the temperate larch forest in Mt. Fuji, Japan

Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
Name of Society : AGU Fall Meeting 2022 (2022)
Name of Proceedings : -
Research Lecture
Changes in GHG fluxes by converting from disturbed secondary peat swamp forest to oil palm plantation

Presenter : Hirata R., Wong G.X., Kiew F, Takahashi Y., Onodera T., Nishina K., Aeries B.A., Musin K.K., Waili J.W., Lo K.S., Melling L.
Name of Society : AsiaFlux conference 2002 (2022)
Name of Proceedings : Abstracts, 126
Research Presentation
Source apportionment of multiple toxic potentials of atmospheric organic aerosols

Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
Name of Society : European Aerosol Conference - EAC 2021 (2021)
Name of Proceedings : Abstracts, (OP P1 - 235)
Research Presentation
Intercomparison of Data-Driven Estimation of Soil Respiration in Japan.

Presenter : Yamanuki H., Ichii K., Liang N., Teramoto M., Takahashi Y., Zeng J., Takagi K., Hirano T., Ishida S., Takagi M., Naramoto M., Nakane K., Kondo T., Koarashi J., Atarashi-Andoh M.
Name of Society : Japan Geoscience Union Meeting 2021 (2021)
Name of Proceedings : なし
Research Presentation
Chemistry of local heavy rainfall in mountainous regions (LHRM) and impact assessment of air pollutants

Presenter : YONETO S., OKOCHI H., KAJIKAWA T., KATO S., MIURA K., YAMADA Y., IGAWA M., IWASAKI T., TODA K., Takahashi Y., Shimizu H., SASE H., MURATA K., AIKAWA M., YAGOH H., KURIBAYASHI M., NAKANO T.
Name of Society : 29th Symposium on Environmental Chemistry（第29回環境化学討論会） (2021)
Name of Proceedings : 同要旨集
Research Presentation
Ground based observation of solar induced chlorophyll fluorescence using a fine resolution spectrometer across multiple sites in cool temperate to sub-tropical ecosystems, Japan

Presenter : Morozumi T., Kato T., Nakashima N., Kanokrat B., Tanatarakeree K., Kobayashi H., Sakai Y., Tsujimoto K., Noda H., Takahashi Y., Takagi K., Hirano T., Ueyama M., Ono K., Matsumoto K., Akitsu T.K., Nasahara K.N., Murayama S., Muraoka H.
Name of Society : iLEAPS-Japan 研究集会 2021 (2021)
Name of Proceedings : 同要旨集
Research Presentation
Upscaling and intercomparison of Soil Respiration in Japan

Presenter : Yamanuki H., Ichii K., Yamamoto Y., Kotsuki S., SUN Lifei, Liang N., Teramoto M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Koarashi J., Atarashi-Andoh M., Takahashi Y.
Name of Society : AsiaFlux Online Conference 2021 (2021)
Research Presentation
A trial to assess the decline level of Fagus crenata in mountainous forest areas

Presenter : Shimizu H., Ishima T., Suda R., Kaneko Y., Kajihara Y., Hamamura K., Yagoh H., Takahashi Y.
Name of Society : The 83rd Annual Meeting of the Botanical Society of Japan (2019)
Name of Proceedings : Proceedings of the 83rd Annual Meeting of the Botanical Society of Japan, PL-026
Research Presentation
Observation of vertical profiles of NOx, O3, and VOCs to estimate their source/sink distributions by inverse modelling in a Japanese larch forest

Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Matsumi Y., Katata G.
Name of Society : International Symposium on Agricultural Meteorology 2019 (2019)
Name of Proceedings : Proceedings of the International Symposium on Agricultural Meteorology 2019, 194
Research Presentation
Long term soil warming effect on soil organic carbon decomposition in Asian monsoon forests

Presenter : Teramoto M., Liang N., Takagi K., Kondo T., Koarashi.J, Atarashi-Andoh M., Hirano T., Takahashi Y., Takagi M., Ishida S., Aramaki T., Naramoto M., Zhang Y., Lai D.Y. F., Chiang P., Zeng J., Piao S., Li S., Tomimatsu H., Zhao X., Nakane K., Tao Y., Yao T., Musa S.
Name of Society : Asia Flux 2019 (2019)
Name of Proceedings : -
Research Presentation
Observation of vertical profiles of NO, O3, and VOCs to estimate their source and sink distributions by inverse modelling in a Japanese larch forest

Presenter : wa, Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
Name of Proceedings : Conference Proceedings, 57
Research Presentation
Simulation of methane dynamics in a mid latitude eutrophic lake with constraints using incubation data

Presenter : Iwata H., Nakano W., Stepanenko V., Kobayashi D., Taoka T., Miyabara Y., Hirata R., Takahashi Y.
Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
Name of Proceedings : Proceedings, 133
Research Presentation
18 years to compensate all CO2 emission after a clearcut harvesting in a cool-temperate forest

Presenter : Takagi K. , Aguilos M., Saigusa N., Liang N., Takahashi Y., Koike T., Sasa K., Fujinuma Y.
Name of Society : AsiaFlux2019 (2019)
Name of Proceedings : AsiaFlux2019 Conference Proceedings, 132
Research Presentation
The controlling factors of diffusive and ebullitive methane emission on sub daily time scale at a mid latitude shallow lake

Presenter : Taoka T., Iwata H., Miyabara Y., Hirata R., Takahashi Y.
Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
Name of Proceedings : Proceedings, 81
Research Lecture
Effect-based Detection of Organic Chemicals in PM2.5 for Their Risk Management

Presenter : Suzuki G., Michinaka C., Nakajima D., Furuyama A., Ito T., Sato K., Kondo Y., Fujitani Y., Takahashi Y., Yagishita M., Ramasamy S., Takami A., Fushimi A.
Name of Society : 47th Myanmar Health Research Congress (2019)
Name of Proceedings : Abstracts, 21-25
Research Presentation
Influence of phenological changes on CO2 uptake and the driving factors in Japanese mountain and alpine ecosystems

Presenter : Ide R., Oguma H., Takahashi Y., Saigusa N.
Name of Society : OzFlux - AsiaFlux Joint Conference 2018 (2018)
Name of Proceedings : OzFlux - AsiaFlux Joint Conference 2018 Abstracts, 62-63
Research Presentation
Eddy covariance and biogeochemical observations of methane dynamics in a shallow mid-latitude lake in Japan

Presenter : Iwata H., Hirata R., Takahashi Y., Itoh M., Miyabara Y., Kobayashi D.
Name of Society : 15th AsiaFlux Workshop (OzFlux-AsiaFlux Joint Conference) (2018)
Name of Proceedings : Abstracts, 63-64
Research Presentation
Preliminary Survey for Evaluation of N Cycling in Oil Palm Plantation on Peat Soil in Malaysia-Spatial Distribution of Dissolved Nitrous Oxide and Nitrate Concentrations in Drainage Water on a Plantation Scale-

Presenter : Nishina K., Hirata R., Takahashi Y., Onodera T., Melling L., Musin K., Waili J., Ratai J., Abdullah M., Merikan C., Toyoda S., Terajima K.
Name of Society : AGU Fall Meeting (2018)
Name of Proceedings : Abstract
Research Presentation
Long Term Response and Feedback of Asian Forest Soil Flux to Global Warming

Presenter : Liang N., Chiang P., Wang Y., Teramoto M., Takagi K., Kondo T., Koarashi.J, Zhang Y., Li S., Fang J., Piao S., Lai D.Y. F., Takagi M., Ishida S., Hirano T., Zeng J., Takahashi Y., Atarashi-Andoh M., Harun I.
Name of Society : International Long Term Ecological Research Network(ILTER) & 12th International Long Term Ecological Research East Asia Pacific Regional Network(ILTER EAP) (2018)
Name of Proceedings : -
Research Presentation
Evaluation of methane emission from a mid-latitude lake with the eddy covariance technique

Presenter : Ikawa H., Hirata R., Takahashi Y., Itoh M., Iizuka K., Miyabara Y., Nakazawa K., Satoh H., Kobayashi D., Tokida T.
Name of Society : Joint Conference of AsiaFlux Workshop 2017 and the 15th Anniversary Celebration of ChinaFLUX (2017)
Name of Proceedings : Abstracts, 5
Research Presentation
A trial of the biological/environmental monitoring for mountainous forest conservation in Japan

Presenter : Shimizu H., Yagoh H., Endo T., Yamaguchi T., Kaneko T., Matsuda K., Yamamoto T., Suda R., Hamamura K., Ishima T., Kajihara Y., Kawano K., Kuninaga T., Nishimoto T., Wada S., Nakajima H., Uchida A., Mizutani M., Asanuma T., Takahashi K.
Name of Society : The Third Asian Air Pollution Workshop (AAPW-3) (2017)
Name of Proceedings : The Third Asian Air Pollution Workshop (AAPW-3), Abstracts, 17
Research Presentation
Ground-based Network of Long-term Measurement of Sun-Induced Chlorophyll Fluorescence

Presenter : Kato T., Tsujimoto K., Nasahara K., Akitsu T., Nagai S., Ono K., Saitoh T.M., Muraoka H., Noda H., Saigusa N., Ide R., Takahashi Y.
Name of Society : The 12th International Workshop on Greenhouse Gas Measurements from Space (IWGGMS-12) (2016)
Name of Proceedings : Abstracts, 83
Research Presentation
Network connection of tower flux measurement data :Toward long term stable flux measurement

Presenter : Kominami Y., Yamanoi K., Kitamura K., Miyama T., Mizoguchi Y., Takanashi S., Yasuda Y., Saigusa N., Takahashi Y., Kim W., Miyata A., Ono K., Ishidoya S., Kondo H., Maeda T., Murayama S., Panuthai S., Archawakom T.
Name of Society : 日本地球惑星科学連合2016年大会 (2016)
Name of Proceedings : -, AAS01-12
Research Presentation
Phenological changes for 10 years and the influence on ecosystem productivity in a larch forest at the foot of Mt. Fuji

Presenter : Ide R., Oguma H., Hirose Y., Takahashi Y., Saigusa N.
Name of Society : 日本地球惑星科学連合2016年大会 (2016)
Name of Proceedings : -, ACG22-P10
Research Presentation
Semi-empirical GPP estimation of east Asian forests using MODIS vegetation indices

Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L.-M., Li S.-G., Wang H.-M., Han S., Zhang Y.-P, Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
Name of Proceedings : Abstracts, 52
Research Presentation
Long-term monitoring of CO2 exchange over a larch forest in central Japan

Presenter : Takahashi Y., Saigusa N., Ide R., Hirata R.
Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
Name of Proceedings : Abstracts, 99
Research Presentation
Micrometeorological and chamber measurements of methane flux over two forests in Japan

Presenter : Ueyama M., Takahashi Y., Takagi K., Ide R.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 10
Research Presentation
Soil moisture conditions may affect terpenoid fluxes measured above a larch forest

Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 13
Research Presentation
Relationship between ecosystem photosynthetic parameters derived from flux observation and modis vegetation indices of East Asian forests

Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L., Li S.G., Han S., Wang H-M., Zhang Y-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 59
Research Presentation
Observation of vertical profiles of NOx, O3, VOC and inverse modeling estimates of their fluxes at vertical levels in Japanese larch and red pine forests

Presenter : Wada R., Niijima K., Moriyama Y., Mochizuki T., Tani A., Nakai Y., Takanashi S., Nakano T., Takahashi Y., Miyazaki Y., Ueyama M.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 12
Research Presentation
CONTINUOUS MEASUREMENTS OF METHANE FLUX AT A LARCH FOREST BY MICROMETEOROLOGICAL AND CHAMBER TECHNIQUES

Presenter : Ueyama M., Takai Y., Takeuchi R., Takahashi Y., Ide R., Ataka M., Takahashi K., Kosugi Y.
Name of Society : International Joint Conference of 11th AsiaFlux International Worksop, 3rd HESSS(Hydrology delivers Earth System Science to Society), and 14th Annual Meeting of KSAFM(Korean Society of Agricultural & Forest Meteorology)on Communicating Science to Society: Coping with Climate Extremes for Resilient Ecological-Societal Systems (2013)
Name of Proceedings : Abstracts, 38
Research Presentation
Continuous Measurement of Methane Flux at a Larch Forest by the Relaxed Eddy Accumulation Method with a Tunable Diode Laser Spectrometer

Presenter : Ueyama M., Takai Y., Takahashi Y., Hamatani K., Kosugi Y., Takahashi K.
Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
Name of Proceedings : Abstracts, 173
Research Presentation
Measurement of Biogenic VOC Fluxes above a Japanese Larch Forest Using a Relaxed Eddy Accumulation Method

Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Tani A.
Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
Name of Proceedings : Abstracts, 229
Research Presentation
Continuous measurement of methane flux at a larch forest by the relaxed eddy accumulation method with a tunable diode laser spectrometer

Presenter : Ueyama M., Takai Y., Takahashi Y., Hamotani K., Kosugi Y., Takahashi K.
Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
Name of Proceedings : Abstracts, 173
Research Presentation
Inter-site comparison of ecosystem physiological parameters of Asian forests

Presenter : Takagi K., Hirata R., Hirano T., Ueyama M., Ono K., Ide R., Ogawa A., Saigusa N., Takahashi Y., Ichii K., Kwon H., Hong J., Leiming Z., Li S.-G., Han S., Wang H.-M., Zhang Y.-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M.
Name of Society : The 5th EAFES International Congress (2012)
Name of Proceedings : -
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
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
Inter-site comparison of ecosystem physiological parameters of Asian forest

Presenter : Takagi K., Hirata R., Ueyama M., Ono K., Ide R., Ogawa A., Hirano T., Saigusa N., Kwon H., Hong J., Leiming Z., Li S., Asanuma J., Gamo M., Han S., Machemura T., Maeda T., Murayama S., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y., Wang H., Zhang Y.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 115
Research Presentation
Applying tunabel diode laser spectroscopy for continuous measurement of methane flux at a forest canopy with a relaxed eddy accumulation method

Presenter : Ueyama M., Takai Y., Hamotani K., Takahashi Y., Takahashi K., Kosugi Y.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 49
Research Presentation
Biogenic volatile organic compounds fluxes above larch forest measured using a relaxes eddy accumulation method

Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Okamura M., Tohno S., Tani A.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship　Proceedings, 50
Research Presentation
Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in foothill of high mountain

Presenter : Takahashi Y., Saigusa N., Ide R.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 59
Research Presentation
An accurate CO2 measurement system for standard gases using NDIR CO2 analyzer and CRDS 13CO2 analyzer

Presenter : Katsumata K., Nara H., Tohjima Y., Takahashi Y., Machida T., Mukai H.
Name of Society : 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (2011)
Name of Proceedings : Abstracts of 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques
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
The potential of carbon sink/source of Asian Forest soils

Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
Name of Society : 4th EAFES Int.Congr. (2010)
Name of Proceedings : Abstracts, 125-126
Research Presentation
Long-term monitoring of CO2 flux at a larch forest in foothill of Mt.Fuji, Japan

Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
Name of Society : AsisFlux Workshop 2010 (2010)
Name of Proceedings : Proceedings, 123
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
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
Carbon balance of larch forests in East Asia responding to the climate change

Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai I., Ohta T., Saigusa N., Takahashi Y., Hirano T.
Name of Society : 8th Int.Carbon Dioxide Conf. (2009)
Name of Proceedings : Program
Research Presentation
Spatial and temporal variations in trace gas exchange rates observed in a forest soil

Presenter : Takahashi Y., Liang N.
Name of Society : 6th Int.Sci.Conf.Global Energy Water Cycle,2nd Integrated Land Ecosystem - Atmos.Processes Study (iLEAPS) Sci.Conf. (2009)
Name of Proceedings : Proceedings, 96-97
Research Presentation
CO2 flux observation in the foothills of a high mountain

Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 115
Research Presentation
The potential of carbon sink/source of Japanese forest soils

Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 33
Research Presentation
Simulating carbon balance of larch forests in East Asia from stand to regional scale

Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 39
Research Presentation
Evaluation of methane flux in a temperate larch forest based on the flux measurements and inverse method

Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Liang N., Saigusa N.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 75
Research Presentation
Estimating forest photosynthetic capacity by using spectral vegetation indices: Comparisons among three larch forests in Japan

Presenter : Ide R., Nakaji T., Oguma H., Takagi K., Takahashi Y., Saigusa N.
Name of Society : SATECO 2008 (2008)
Name of Proceedings : Abstracts, 87
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
Seasonal variation of photosynthetic and respiratory parameters of larch forests in East Asia

Presenter : Takagi K., Hirata R., Hirano T., Saigusa N., Asanuma J., Li S.-G., Machimura T., Nakai Y., Ohta T., Takahashi Y., Wang H.
Name of Society : AsiaFlux Workshop 2008 (2008)
Name of Proceedings : Abstracts, 24
Research Presentation
Comparative CO2 flux measurment with an REA method and open path, closed-path method in Fuji Hokuroku Japan

Presenter : Hamotani K., Ueyama M., Nishimura W., Takahashi Y., Hirata R., Saigusa N.
Name of Society : AsiaFlux Workshop 2008 (2008)
Name of Proceedings : Abstracts, 51
Research Presentation
Measurement of methane flux over a larch forest by a relaxed eddy accumulation method at Fuji-Hokuroku, Japan

Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Saigusa N.
Name of Society : AsiaFlux Workshop 2008 (2008)
Name of Proceedings : Abstracts, 48-49
Research Presentation
Simultaneous flux measurements of CO2, its stable isotope ratios and trace gases based on eddy accumulation technique for flux partitioning

Presenter : Takahashi Y., Hirata R.
Name of Society : AGU 2007 Fall Meet. (2007)
Name of Proceedings : Abstracts, B13B-1195
Research Presentation
Variability of carbon stable isotope ratio of soil heterotrophic respiration

Presenter : Takahashi Y., Liang N.
Name of Society : Eco Summit 2007 (2007)
Name of Proceedings : Abstracts, 350
Research Presentation
Use of stable isotope and trace gases as additional tracers in flux partitioning

Presenter : Takahashi Y., Hirata R.
Name of Society : AsiaFlux Workshop 2007(Poster Session) (2007)
Name of Proceedings : Abstracts
Research Presentation
Variability in carbon stable isotope ratio of heterotrophic soil respiration in a deciduous needle-leaf forest

Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
Name of Society : AGU 2005 Fall Meet. (2005)
Name of Proceedings : Abstracts
Research Presentation
(13)C/(12)C ratio of CO2 respired from deciduous needleleaf forest ecosystem in east Asia

Presenter : Takahashi Y., Tohjima Y., Machida T., Fujinuma Y., Inoue G.
Name of Society : 13th Annu.V.M.Goldschmidt Conf. (2003)
Name of Proceedings : Geochimica et Cosmochimica Acta, 67(18S)(18S):A470
Research Presentation
Temporal variations in 13C/12C ratio of respired CO2 and its relation with vapor pressure deficit in deciduous needle-leaf forest ecosystem in east Asia

Presenter : Takahashi Y.,, Tohjima Y., Machida T., Fujinuma Y., Inoue G.
Name of Society : Annu.Main Meet.Soc.Exp.Biol. (2003)
Name of Proceedings : Comp.Biochem.Physiol.A, 134Suppl.(Suppl.):S179
Temporal variations in stable isotope ratios of respired CO2 in Japanese larch forest ecosystem

Presenter : Takahashi Y., Tohjima Y., Machida T., Fujinuma Y.
Name of Society : 2nd Int.Workshop Adv.Flux Network Flux Eval. (2002)
Name of Proceedings : Proceedings
Monitoring the isotopic composition of atmospheric CO2 over Siberia and Japan

Presenter : Takahashi Y., Machida T., Tohjima Y., Inoue G.
Name of Society : 6th Int.Carbon Dioxide Conf. (2001)
Name of Proceedings : Extended Abstracts, 1

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Full-spectral observation of leaf-level chlorophyll fluorescence to bridge the gap between tower and satellite observed solar-induced chlorophyll fluorescence (SIF) in a temperate deciduous forest and a subtropical evergreen forest in Japan

Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Takahashi Y., Matsumoto K.
Name of Society : The iLEAPS – OzFlux Joint Conference 2023 (2023)
Name of Proceedings : Abstracts
Detection of midday depression with canopy-level solar-induced chlorophyll fluorescence and gross primary productivity: impact of heat extreme events in a deciduous needle-leaved forest

Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
Name of Society : AGU23 (American Geophysical Union Annual Meeting 2023) (2023)
Name of Proceedings : -
An approach to estimate forest NEP including ecosystem disturbances using long-term flux observation in Japan

Presenter : Kominami Y., Hirata A., Iwasaki K., Katsushima T., Kitamura K., Matsui T., Miyama T., Mizoguchi Y., Mrishita T., Shimizu T., Takanashi S., Yasuda Y., Yoshifuji N., Hirata R., Takahashi Y., Ishidoya S., Kamezaki K., Maeda T., Murayama S., Saito T.M.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 91
Elucidation of soil CO2/CH4 budget by integrated analysis of soil observation data

Presenter : Yamanuki H., Ichii K., Yamamoto Y., Teramoto M., Sun Lifei, Koarashi J., Atarashi-Ando M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Takahashi Y., Liang N.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 92
Large CH4 Uptake Potential of Monsoon Forest Soils

Presenter : Liang N., Zhang Y., Hirano T., Takagi K., Lai D.Y.F., Chiang P-N., Ishida S., Kondo T., Teramoto M., Takagi M., Koarashi J., Ando M., Sun Lifei, Zeng J., Takahashi Y., Ichii K., Mohti A.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 110
Long-term CO2 and O3 flux monitoring in a cool-temperate forest to evaluate the effect of forestry management activities

Presenter : Kentaro T., Takahashi Y.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 65
Field Observations of Greenhouse Gas Emissions from Palm Oil Mill Effluent (POME) Treatment Ponds in an Oil Palm Plantations on Tropical Peatlands

Presenter : Takahashi Y., Onodera T., Hirata R., Nishina K., Waili J.W., Aeries E.B., Kiew F., Wong G.X., Melling L.
Name of Society : AsiaFlux 2022 (2022)
Name of Proceedings : Book of Abstracts, 130
Red and far-red solar-induced chlorophyll fluorescence responding to air temperature, humidity, and leaf growth in a Japanese larch forest site on a spring-summer transition

Presenter : MOROZUMI T., Noda H., Takahashi Y., Kato T.
Name of Society : AsiaFlux 2022 (2022)
Name of Proceedings : Abstracts
Seasonal dynamics of dissolved N2O in the drainage ditch water & palm oil mill effluent of oil palm plantation in Sarawak

Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Waili J., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
Name of Society : AsiaFlux 2022 (2022)
Name of Proceedings : Abstracts, 52-53
Driven of Tempo-Spatial Variations of Forest Soil Methane Uptake by Root Activity

Presenter : Sun Lifei, Liang N., Takahashi Y., Hirano T., Ishida S., Takagi M., Takagi K., Teramoto M., Kondo T., Koarashi J., Atarashi-Andoh M.
Name of Society : AsiaFlux Conference 2022 (2022)
Name of Proceedings : -
CH4 Uptake of Asian Forest Soils in the Past, Present and Future

Presenter : Liang N., Kondo T., Takagi K., Hirano T., Ishida S., Teramoto M., Takagi M., Koarashi J., Atarashi-Andoh M., Zhang Y., Chiang P., Lai D., Sun Lifei, Zeng J., Takahashi Y., Ichii K.
Name of Society : AsiaFlux Conference 2022 (2022)
Name of Proceedings : -
CHALLENGES IN IMPROVING THE RELIABILITY OF VARIOUS RADIATION PARAMETERS AT A JAPANESE SATELLITE OBSERVATION VALIDATION SITE

Presenter : Takahashi Y., Ide R., Hirose Y., Yamao Y.
Name of Society : 2022 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2022 (2022)
Name of Proceedings : Abstracts, 4314-4315
Factors of spatial variation in soil CH4 uptake rate in forests in Western Honshu

Presenter : Teramoto M., Liang N., Sun Lifei, Kondo T., Koarashi J., Atarashi-Andoh M., Takagi M., Yamanaka N., Hirano T., Takagi K., Ishida S., Ichii K., Takahashi Y., Hu R.
Name of Society : Japan Genscience Union Meeting 2022 (2022)
Name of Proceedings : -
Intercomparison of Data-Driven Estimation of Soil Respiration in Japan.

Presenter : Yamanuki H., Ichii K., Liang N., Teramoto M., Takahashi Y., Zeng J., Takagi K., Hirano T., Ishida S., Takagi M., Naramoto M., Nakane K., Kondo T., Koarashi J., Atarashi-Andoh M.
Name of Society : Japan Geoscience Union Meeting 2021 (2021)
Name of Proceedings : なし
Long term soil warming effect on soil organic carbon decomposition in Asian monsoon forests

Presenter : Teramoto M., Liang N., Takagi K., Kondo T., Koarashi.J, Atarashi-Andoh M., Hirano T., Takahashi Y., Takagi M., Ishida S., Aramaki T., Naramoto M., Zhang Y., Lai D.Y. F., Chiang P., Zeng J., Piao S., Li S., Tomimatsu H., Zhao X., Nakane K., Tao Y., Yao T., Musa S.
Name of Society : Asia Flux 2019 (2019)
Name of Proceedings : -
Observation of vertical profiles of NO, O3, and VOCs to estimate their source and sink distributions by inverse modelling in a Japanese larch forest

Presenter : wa, Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
Name of Proceedings : Conference Proceedings, 57
Long Term Response and Feedback of Asian Forest Soil Flux to Global Warming

Presenter : Liang N., Chiang P., Wang Y., Teramoto M., Takagi K., Kondo T., Koarashi.J, Zhang Y., Li S., Fang J., Piao S., Lai D.Y. F., Takagi M., Ishida S., Hirano T., Zeng J., Takahashi Y., Atarashi-Andoh M., Harun I.
Name of Society : International Long Term Ecological Research Network(ILTER) & 12th International Long Term Ecological Research East Asia Pacific Regional Network(ILTER EAP) (2018)
Name of Proceedings : -
Evaluation of methane emission from a mid-latitude lake with the eddy covariance technique

Presenter : Ikawa H., Hirata R., Takahashi Y., Itoh M., Iizuka K., Miyabara Y., Nakazawa K., Satoh H., Kobayashi D., Tokida T.
Name of Society : Joint Conference of AsiaFlux Workshop 2017 and the 15th Anniversary Celebration of ChinaFLUX (2017)
Name of Proceedings : Abstracts, 5
Network connection of tower flux measurement data :Toward long term stable flux measurement

Presenter : Kominami Y., Yamanoi K., Kitamura K., Miyama T., Mizoguchi Y., Takanashi S., Yasuda Y., Saigusa N., Takahashi Y., Kim W., Miyata A., Ono K., Ishidoya S., Kondo H., Maeda T., Murayama S., Panuthai S., Archawakom T.
Name of Society : 日本地球惑星科学連合2016年大会 (2016)
Name of Proceedings : -, AAS01-12
Semi-empirical GPP estimation of east Asian forests using MODIS vegetation indices

Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L.-M., Li S.-G., Wang H.-M., Han S., Zhang Y.-P, Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
Name of Proceedings : Abstracts, 52
Micrometeorological and chamber measurements of methane flux over two forests in Japan

Presenter : Ueyama M., Takahashi Y., Takagi K., Ide R.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 10
Soil moisture conditions may affect terpenoid fluxes measured above a larch forest

Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 13
Observation of vertical profiles of NOx, O3, VOC and inverse modeling estimates of their fluxes at vertical levels in Japanese larch and red pine forests

Presenter : Wada R., Niijima K., Moriyama Y., Mochizuki T., Tani A., Nakai Y., Takanashi S., Nakano T., Takahashi Y., Miyazaki Y., Ueyama M.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 12
CONTINUOUS MEASUREMENTS OF METHANE FLUX AT A LARCH FOREST BY MICROMETEOROLOGICAL AND CHAMBER TECHNIQUES

Presenter : Ueyama M., Takai Y., Takeuchi R., Takahashi Y., Ide R., Ataka M., Takahashi K., Kosugi Y.
Name of Society : International Joint Conference of 11th AsiaFlux International Worksop, 3rd HESSS(Hydrology delivers Earth System Science to Society), and 14th Annual Meeting of KSAFM(Korean Society of Agricultural & Forest Meteorology)on Communicating Science to Society: Coping with Climate Extremes for Resilient Ecological-Societal Systems (2013)
Name of Proceedings : Abstracts, 38
Continuous Measurement of Methane Flux at a Larch Forest by the Relaxed Eddy Accumulation Method with a Tunable Diode Laser Spectrometer

Presenter : Ueyama M., Takai Y., Takahashi Y., Hamatani K., Kosugi Y., Takahashi K.
Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
Name of Proceedings : Abstracts, 173
Continuous measurement of methane flux at a larch forest by the relaxed eddy accumulation method with a tunable diode laser spectrometer

Presenter : Ueyama M., Takai Y., Takahashi Y., Hamotani K., Kosugi Y., Takahashi K.
Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
Name of Proceedings : Abstracts, 173
Inter-site comparison of ecosystem physiological parameters of Asian forests

Presenter : Takagi K., Hirata R., Hirano T., Ueyama M., Ono K., Ide R., Ogawa A., Saigusa N., Takahashi Y., Ichii K., Kwon H., Hong J., Leiming Z., Li S.-G., Han S., Wang H.-M., Zhang Y.-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M.
Name of Society : The 5th EAFES International Congress (2012)
Name of Proceedings : -
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
Applying tunabel diode laser spectroscopy for continuous measurement of methane flux at a forest canopy with a relaxed eddy accumulation method

Presenter : Ueyama M., Takai Y., Hamotani K., Takahashi Y., Takahashi K., Kosugi Y.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 49
Biogenic volatile organic compounds fluxes above larch forest measured using a relaxes eddy accumulation method

Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Okamura M., Tohno S., Tani A.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship　Proceedings, 50
The potential of carbon sink/source of Asian Forest soils

Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
Name of Society : 4th EAFES Int.Congr. (2010)
Name of Proceedings : Abstracts, 125-126
The potential of carbon sink/source of Japanese forest soils

Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 33
Seasonal variation of photosynthetic and respiratory parameters of larch forests in East Asia

Presenter : Takagi K., Hirata R., Hirano T., Saigusa N., Asanuma J., Li S.-G., Machimura T., Nakai Y., Ohta T., Takahashi Y., Wang H.
Name of Society : AsiaFlux Workshop 2008 (2008)
Name of Proceedings : Abstracts, 24
Variability of carbon stable isotope ratio of soil heterotrophic respiration

Presenter : Takahashi Y., Liang N.
Name of Society : Eco Summit 2007 (2007)
Name of Proceedings : Abstracts, 350
Use of stable isotope and trace gases as additional tracers in flux partitioning

Presenter : Takahashi Y., Hirata R.
Name of Society : AsiaFlux Workshop 2007(Poster Session) (2007)
Name of Proceedings : Abstracts
(13)C/(12)C ratio of CO2 respired from deciduous needleleaf forest ecosystem in east Asia

Presenter : Takahashi Y., Tohjima Y., Machida T., Fujinuma Y., Inoue G.
Name of Society : 13th Annu.V.M.Goldschmidt Conf. (2003)
Name of Proceedings : Geochimica et Cosmochimica Acta, 67(18S)(18S):A470
Temporal variations in 13C/12C ratio of respired CO2 and its relation with vapor pressure deficit in deciduous needle-leaf forest ecosystem in east Asia

Presenter : Takahashi Y.,, Tohjima Y., Machida T., Fujinuma Y., Inoue G.
Name of Society : Annu.Main Meet.Soc.Exp.Biol. (2003)
Name of Proceedings : Comp.Biochem.Physiol.A, 134Suppl.(Suppl.):S179
Changes in water quality and greenhouse gas emissions in a pond system for treatment of palm oil mill effluent (POME)

Presenter : Onodera T., Takahashi Y., Nishina K., Hirata R., Waili J.W. , Kiew F. , Wong G.X., Melling L.
Name of Society : 12th IWA International Symposium on Waste Management Problems in Agro-Industries- AGRO'2025 (2025)
Name of Proceedings : Abstracts
Evaluation of understory contribution to carbon assimilation in temperate forests using chlorophyll fluorescence and leaf photosynthetic rate measurements

Presenter : Morozumi T., Noda H., Kato T., Muraoka H., Takahashi Y.
Name of Society : AsiaFlux Conference 2025 (2025)
Name of Proceedings : Conference Book, 241
Monitoring The Drought Impact On A Larch Forest With Solar-Induced Chlorophyll Fluorescence

Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y.
Name of Society : 9th GEWEX Open Science Meeting 2024 (2024)
Name of Proceedings : -
The response of heterotrophic CO2 flux to estimation of long-term soil warming in a cool-temperate foreseted peatland

Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
Name of Society : 日本農業気象学会 2024年大会 (2024)
Name of Proceedings : 講演要旨, 227
Seasonal pattern of solar-induced chlorophyll fluorescence in three forest types observed on multiple platforms

Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y., Muraoka H., Matsumoto K.
Name of Society : Asiaflux 2023 (2023)
Name of Proceedings : Abstracts
17 Years of Monitoring CO2 Flux in Japanese Larch Plantation Forests

Presenter : Takahashi Y., Ide R., Yamao Y.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts
Seven-year variability in methane release from a shallow eutrophic lake in Japan

Presenter : Yamada M., Iwata H., Park H.D., Sawano K., Hirata R., Takahashi Y.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts
Soil Warming effect of the soil CO2 and CH4 fluxes in a cool-temperate forested peatland after 13-year continuous warming

Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
Name of Society : AsiaFlux Conference 2023 (2023)
Name of Proceedings : Abstracts, 157
Observation activities for atmospheric greenhouse gases by CONTRAIL and other platforms by NIES and collaborators

Presenter : Machida T., Niwa Y., Umezawa T., Tsuboi K., Ishijima K., Fujita R., Matsueda H., Sasakawa M., Terao Y., Tohjima Y., Nara H., Saito T., Nakaoka S., Takao S., Aramaki T., Takahashi Y., Hirata R., Mueller A., Srivastava P., Morino I., Ohyama H., Frey M., Noda H., Mukai H., Shirai T., Tanimoto H.
Name of Society : WMO International Greenhouse Gas Monitoring Symposium (2023)
Name of Proceedings : -
A modeling study for forest structure effect on Solar-Induced chlorophyll Fluorescence in a relatively sparse canopy of the temperate larch forest in Mt. Fuji, Japan

Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
Name of Society : AGU Fall Meeting 2022 (2022)
Name of Proceedings : -
Source apportionment of multiple toxic potentials of atmospheric organic aerosols

Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
Name of Society : European Aerosol Conference - EAC 2021 (2021)
Name of Proceedings : Abstracts, (OP P1 - 235)
Chemistry of local heavy rainfall in mountainous regions (LHRM) and impact assessment of air pollutants

Presenter : YONETO S., OKOCHI H., KAJIKAWA T., KATO S., MIURA K., YAMADA Y., IGAWA M., IWASAKI T., TODA K., Takahashi Y., Shimizu H., SASE H., MURATA K., AIKAWA M., YAGOH H., KURIBAYASHI M., NAKANO T.
Name of Society : 29th Symposium on Environmental Chemistry（第29回環境化学討論会） (2021)
Name of Proceedings : 同要旨集
Ground based observation of solar induced chlorophyll fluorescence using a fine resolution spectrometer across multiple sites in cool temperate to sub-tropical ecosystems, Japan

Presenter : Morozumi T., Kato T., Nakashima N., Kanokrat B., Tanatarakeree K., Kobayashi H., Sakai Y., Tsujimoto K., Noda H., Takahashi Y., Takagi K., Hirano T., Ueyama M., Ono K., Matsumoto K., Akitsu T.K., Nasahara K.N., Murayama S., Muraoka H.
Name of Society : iLEAPS-Japan 研究集会 2021 (2021)
Name of Proceedings : 同要旨集
Upscaling and intercomparison of Soil Respiration in Japan

Presenter : Yamanuki H., Ichii K., Yamamoto Y., Kotsuki S., SUN Lifei, Liang N., Teramoto M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Koarashi J., Atarashi-Andoh M., Takahashi Y.
Name of Society : AsiaFlux Online Conference 2021 (2021)
A trial to assess the decline level of Fagus crenata in mountainous forest areas

Presenter : Shimizu H., Ishima T., Suda R., Kaneko Y., Kajihara Y., Hamamura K., Yagoh H., Takahashi Y.
Name of Society : The 83rd Annual Meeting of the Botanical Society of Japan (2019)
Name of Proceedings : Proceedings of the 83rd Annual Meeting of the Botanical Society of Japan, PL-026
Observation of vertical profiles of NOx, O3, and VOCs to estimate their source/sink distributions by inverse modelling in a Japanese larch forest

Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Matsumi Y., Katata G.
Name of Society : International Symposium on Agricultural Meteorology 2019 (2019)
Name of Proceedings : Proceedings of the International Symposium on Agricultural Meteorology 2019, 194
Simulation of methane dynamics in a mid latitude eutrophic lake with constraints using incubation data

Presenter : Iwata H., Nakano W., Stepanenko V., Kobayashi D., Taoka T., Miyabara Y., Hirata R., Takahashi Y.
Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
Name of Proceedings : Proceedings, 133
18 years to compensate all CO2 emission after a clearcut harvesting in a cool-temperate forest

Presenter : Takagi K. , Aguilos M., Saigusa N., Liang N., Takahashi Y., Koike T., Sasa K., Fujinuma Y.
Name of Society : AsiaFlux2019 (2019)
Name of Proceedings : AsiaFlux2019 Conference Proceedings, 132
The controlling factors of diffusive and ebullitive methane emission on sub daily time scale at a mid latitude shallow lake

Presenter : Taoka T., Iwata H., Miyabara Y., Hirata R., Takahashi Y.
Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
Name of Proceedings : Proceedings, 81
Influence of phenological changes on CO2 uptake and the driving factors in Japanese mountain and alpine ecosystems

Presenter : Ide R., Oguma H., Takahashi Y., Saigusa N.
Name of Society : OzFlux - AsiaFlux Joint Conference 2018 (2018)
Name of Proceedings : OzFlux - AsiaFlux Joint Conference 2018 Abstracts, 62-63
Eddy covariance and biogeochemical observations of methane dynamics in a shallow mid-latitude lake in Japan

Presenter : Iwata H., Hirata R., Takahashi Y., Itoh M., Miyabara Y., Kobayashi D.
Name of Society : 15th AsiaFlux Workshop (OzFlux-AsiaFlux Joint Conference) (2018)
Name of Proceedings : Abstracts, 63-64
Preliminary Survey for Evaluation of N Cycling in Oil Palm Plantation on Peat Soil in Malaysia-Spatial Distribution of Dissolved Nitrous Oxide and Nitrate Concentrations in Drainage Water on a Plantation Scale-

Presenter : Nishina K., Hirata R., Takahashi Y., Onodera T., Melling L., Musin K., Waili J., Ratai J., Abdullah M., Merikan C., Toyoda S., Terajima K.
Name of Society : AGU Fall Meeting (2018)
Name of Proceedings : Abstract
A trial of the biological/environmental monitoring for mountainous forest conservation in Japan

Presenter : Shimizu H., Yagoh H., Endo T., Yamaguchi T., Kaneko T., Matsuda K., Yamamoto T., Suda R., Hamamura K., Ishima T., Kajihara Y., Kawano K., Kuninaga T., Nishimoto T., Wada S., Nakajima H., Uchida A., Mizutani M., Asanuma T., Takahashi K.
Name of Society : The Third Asian Air Pollution Workshop (AAPW-3) (2017)
Name of Proceedings : The Third Asian Air Pollution Workshop (AAPW-3), Abstracts, 17
Ground-based Network of Long-term Measurement of Sun-Induced Chlorophyll Fluorescence

Presenter : Kato T., Tsujimoto K., Nasahara K., Akitsu T., Nagai S., Ono K., Saitoh T.M., Muraoka H., Noda H., Saigusa N., Ide R., Takahashi Y.
Name of Society : The 12th International Workshop on Greenhouse Gas Measurements from Space (IWGGMS-12) (2016)
Name of Proceedings : Abstracts, 83
Phenological changes for 10 years and the influence on ecosystem productivity in a larch forest at the foot of Mt. Fuji

Presenter : Ide R., Oguma H., Hirose Y., Takahashi Y., Saigusa N.
Name of Society : 日本地球惑星科学連合2016年大会 (2016)
Name of Proceedings : -, ACG22-P10
Long-term monitoring of CO2 exchange over a larch forest in central Japan

Presenter : Takahashi Y., Saigusa N., Ide R., Hirata R.
Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
Name of Proceedings : Abstracts, 99
Relationship between ecosystem photosynthetic parameters derived from flux observation and modis vegetation indices of East Asian forests

Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L., Li S.G., Han S., Wang H-M., Zhang Y-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
Name of Proceedings : Abstracts, 59
Measurement of Biogenic VOC Fluxes above a Japanese Larch Forest Using a Relaxed Eddy Accumulation Method

Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Tani A.
Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
Name of Proceedings : Abstracts, 229
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
Inter-site comparison of ecosystem physiological parameters of Asian forest

Presenter : Takagi K., Hirata R., Ueyama M., Ono K., Ide R., Ogawa A., Hirano T., Saigusa N., Kwon H., Hong J., Leiming Z., Li S., Asanuma J., Gamo M., Han S., Machemura T., Maeda T., Murayama S., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y., Wang H., Zhang Y.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 115
Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in foothill of high mountain

Presenter : Takahashi Y., Saigusa N., Ide R.
Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 59
An accurate CO2 measurement system for standard gases using NDIR CO2 analyzer and CRDS 13CO2 analyzer

Presenter : Katsumata K., Nara H., Tohjima Y., Takahashi Y., Machida T., Mukai H.
Name of Society : 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (2011)
Name of Proceedings : Abstracts of 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques
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
Long-term monitoring of CO2 flux at a larch forest in foothill of Mt.Fuji, Japan

Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
Name of Society : AsisFlux Workshop 2010 (2010)
Name of Proceedings : Proceedings, 123
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
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
Carbon balance of larch forests in East Asia responding to the climate change

Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai I., Ohta T., Saigusa N., Takahashi Y., Hirano T.
Name of Society : 8th Int.Carbon Dioxide Conf. (2009)
Name of Proceedings : Program
Spatial and temporal variations in trace gas exchange rates observed in a forest soil

Presenter : Takahashi Y., Liang N.
Name of Society : 6th Int.Sci.Conf.Global Energy Water Cycle,2nd Integrated Land Ecosystem - Atmos.Processes Study (iLEAPS) Sci.Conf. (2009)
Name of Proceedings : Proceedings, 96-97
CO2 flux observation in the foothills of a high mountain

Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 115
Simulating carbon balance of larch forests in East Asia from stand to regional scale

Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 39
Evaluation of methane flux in a temperate larch forest based on the flux measurements and inverse method

Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Liang N., Saigusa N.
Name of Society : AsiaFlux Workshop 2009 (2009)
Name of Proceedings : Abstracts, 75
Estimating forest photosynthetic capacity by using spectral vegetation indices: Comparisons among three larch forests in Japan

Presenter : Ide R., Nakaji T., Oguma H., Takagi K., Takahashi Y., Saigusa N.
Name of Society : SATECO 2008 (2008)
Name of Proceedings : Abstracts, 87
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
Comparative CO2 flux measurment with an REA method and open path, closed-path method in Fuji Hokuroku Japan

Presenter : Hamotani K., Ueyama M., Nishimura W., Takahashi Y., Hirata R., Saigusa N.
Name of Society : AsiaFlux Workshop 2008 (2008)
Name of Proceedings : Abstracts, 51
Measurement of methane flux over a larch forest by a relaxed eddy accumulation method at Fuji-Hokuroku, Japan

Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Saigusa N.
Name of Society : AsiaFlux Workshop 2008 (2008)
Name of Proceedings : Abstracts, 48-49
Simultaneous flux measurements of CO2, its stable isotope ratios and trace gases based on eddy accumulation technique for flux partitioning

Presenter : Takahashi Y., Hirata R.
Name of Society : AGU 2007 Fall Meet. (2007)
Name of Proceedings : Abstracts, B13B-1195
Variability in carbon stable isotope ratio of heterotrophic soil respiration in a deciduous needle-leaf forest

Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
Name of Society : AGU 2005 Fall Meet. (2005)
Name of Proceedings : Abstracts

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Changes in GHG fluxes by converting from disturbed secondary peat swamp forest to oil palm plantation

Presenter : Hirata R., Wong G.X., Kiew F, Takahashi Y., Onodera T., Nishina K., Aeries B.A., Musin K.K., Waili J.W., Lo K.S., Melling L.
Name of Society : AsiaFlux conference 2002 (2022)
Name of Proceedings : Abstracts, 126
Effect-based Detection of Organic Chemicals in PM2.5 for Their Risk Management

Presenter : Suzuki G., Michinaka C., Nakajima D., Furuyama A., Ito T., Sato K., Kondo Y., Fujitani Y., Takahashi Y., Yagishita M., Ramasamy S., Takami A., Fushimi A.
Name of Society : 47th Myanmar Health Research Congress (2019)
Name of Proceedings : Abstracts, 21-25

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TAKAHASHI Yoshiyuki

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