Latest Update:2017/12/06 19:21:39

UCHIDA Masao

Researcher Name
UCHIDA Masao
Div (Section) name/title
Center for Environmental Measurement and Analysis(Environmental Chemodynamics Section)/Senior Researcher
Research Subject
1)Paleoenvironmental reconstruction and carbon cycles associated with variabilities of marine and terrestrial organic carbon reservoir and greenhouse gases emission under warming Arctic climate using marine, lake, permafrost, and peat sediments in Alaska, Svalbard, Siberia, Canada Arctic, Arctic Ocean, Bering Sea
2)Reconstructions of oceanic ventilation history in Pacific Ocean and Arctic Ocean, and Bering Sea associated with past atmospheric CO2 variations during past warming periods(interglacial, interstadial) and influences with solar radiations
3)Developments of paleo-proxies for temperature, salinity, and water mass to reconstruct past environment and climate change.
Degree(s)
Ph.D.
Professional Qualification(s)
Chemistry,Earth Science,Science
Environmental Speciality Field
global warming,carbon cycle,paleoclimate
Research Subject
  • Fiscal Year: 2017
    • 24128 : Novel mechanism of CO2 emission by permafrost microbe and permafrost melting under Arctic warming
    • 24129 : Reconstruction of environmental change using permafrost samples from Alaskan Arctic by ice core analytical techniques
    • 24131 : Development of analytical methods for environmental samples using AMS
  • Fiscal Year: 2016
    • 23691 : Dynamics of Soil organic matter in a mangrove forest on an estuary of the Trat River, eastern Thailand.
    • 23696 : The effect of biocar on carbon sequestration and ecosystem functions in a deciduous forest.
    • 23788 : Carbon cycle study of marine DOC using compound specific radiocarbon analysis of archaeal membrane lipids
    • 23789 : Reconstruction of sea ice variability in the Arctic Ocean during warming periods using IP25 proxy of ice algae biomarker.
    • 23790 : Novel mechanism of CO2 emission by permafrost microbe and permafrost melting under Arctic warming
  • Fiscal Year: 2015
    • 23024 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
    • 23292 : The effect of biocar on carbon sequestration and ecosystem functions in a deciduous forest.
    • 23294 : Dynamics of Soil organic matter in a mangrove forest on an estuary of the Trat River, eastern Thailand.
    • 23295 : Carbon cycle study of marine DOC using compound specific radiocarbon analysis of archaeal membrane lipids
    • 23296 : Reconstruction of sea ice variability in the Arctic Ocean during warming periods using IP25 proxy of ice algae biomarker.
    • 23297 : Time-Spacial variations of carbon budget of Arctic terrestrial system under globar warming climate
    • 23298 : Novel mechanism of CO2 emission by permafrost microbe and permafrost melting under Arctic warming
    • 23299 : Elucidation of chemical transition process of terrestrial DOC in view of molecular level by 1H NMR spectroscopy using an unique pulse method.
  • Fiscal Year: 2014
    • 22612 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
    • 22866 : Carbon cycle study of marine DOC using compound specific radiocarbon analysis of archaeal membrane lipids
  • Fiscal Year: 2013
    • 22196 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
    • 22248 : Chemodynamics and characterization of elements in environment and organisms
    • 22429 : Study on chemical composition and source of airborne particles
    • 22517 : Global Monsoon variation and East Asian water cycle during the Holocene
    • 22518 : Variation of terrestrial ecosystem in pan-Arcitic region and their influence to the Arctic climate system
    • 22519 : Developing methods for the permafrost melting rate using radiocarbon analysis of dissolved methane in the lake water
    • 22520 : Time-Spacial variations of carbon budget of Arctic terrestrial system under globar warming climate
    • 22521 : Development of paleo sea surface temperature estimate using GDGTs of organic moleculars of marine archaea membrane lipids and their application to paleoclimate study
  • Fiscal Year: 2012
    • 21767 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
    • 21811 : Chemodynamics and characterization of elements in environment and organisms
    • 21835 : Study on chemical composition and source of airborne particles
    • 22047 : Radiocarbon
    • 22078 : Global Monsoon variation and East Asian water cycle during the Holocene
    • 22079 : Observation for evaluation of vulnerability in future warming of the Arctic terrestrial ecosystem and their modeling research
    • 22080 : Relationships between continental Ice sheet retreat events recorded in the Arctic Ocean floor and their global climate changes
    • 22100 : Deciphering the relationships between marine dissolbed organic carbon cycle and microbial loop utisng radiocarbon nalysis of miacrobial memblane lipids
    • 22101 : Variation of terrestrial ecosystem in pan-Arcitic region and their influence to the Arctic climate system
    • 22102 : Developing methods for the permafrost melting rate using radiocarbon analysis of dissolved methane in the lake water
    • 22138 : Development of GHG observation by GOSAT and its data analysis
  • Fiscal Year: 2011
    • 21325 : Precise measurement of chemical substances and isotope ratios for environmental chemodynamics research
    • 21364 : Chemodynamics and characterization of elements in environment and organisms
    • 21553 : Study on chemical composition and source of airborne particles
    • 21602 : Investigation of decadal to millenium scale changes in cosmic ray activity and global environemntal change
    • 21699 : Radiocarbon
    • 21700 : Development of soil carbon dynamics model based on available residence times of each soil compartment
  • Fiscal Year: 2010
    • 20935 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
    • 21024 : Study on chemical composition and source of airborne particles
    • 21092 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
    • 21128 : A quantitative analysis of the mechanisms of soil organic carbon accumulation and an experimental evaluation of their effects on climate change
    • 21133 : Development of soil carbon dynamics model based on available residence times of each soil compartment
    • 21136 : Paleoceanography for future prediction: a possibility of climate mode jump with global warming
    • 21137 : Methane hydrate instability under sea floor and its relationship with abrupt global warning during the last interglacial
    • 21138 : Sources of PAHs in Asian countries and their long transport process
    • 21139 : Origins of organic aerosol in East Asia and the North Pacific and their long transport and transformation
    • 21152 : Soil microbial decomposition potential of fossil carbon associated with permafrost soil caused by Arctic warming
    • 21162 : Black carbon
    • 21164 : Observation for evaluation of vulnerability in future warming of the Arctic terrestrial ecosystem and their modeling research
    • 21166 : Radiocarbon
    • 21168 : Climate change
    • 21173 : Influence of experimental warming on the decomposition of soil organic matter from a cropping field: Insight from radiocarbon analysis of soil respired CO2
    • 21184 : Radiocarbon
    • 21219 : Investigation of decadal to millenium scale changes in cosmic ray activity and global environemntal change
    • 21230 : Black carbon
  • Fiscal Year: 2009
    • 20450 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
    • 20514 : Study on chemical composition and source of airborne particles
    • 20608 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
    • 20686 : Development of soil carbon dynamics model based on available residence times of each soil compartment
    • 20687 : Observational research on soil carbon dynamics in Canadian Arctic and their instability evaluation under global warming
    • 20688 : Soil microbial decomposition potential of fossil carbon associated with permafrost soil caused by Arctic warming
    • 20721 : A quantitative analysis of the mechanisms of soil organic carbon accumulation and an experimental evaluation of their effects on climate change
    • 20722 : Reconstruction of Arctic Ocean environmental changes and their relationships with global climate change
    • 20723 : Marine DOC carbon cycle using compound specific radiocarbon analysis of microbial rRNA and membrane lipids
    • 20725 : Methane hydrate instability under sea floor and its relationship with abrupt global warning during the last interglacial
    • 20726 : Sources of PAHs in Asian countries and their long transport process
    • 20727 : Origins of organic aerosol in East Asia and the North Pacific and their long transport and transformation
    • 20728 : Development of ultra-micro scale analysis for radio carbon using isotope dilution
    • 20757 : Study on the origin of fine particle matters using natural level radiocarbon analysis
    • 20758 : Paleoceanography for future prediction: a possibility of climate mode jump with global warming
  • Fiscal Year: 2008
    • 20015 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
    • 20017 : Sensitive and precise measurement of isotope ratios for chemodynamics researches
  • Fiscal Year: 2007
    • 10508 : Methane hydrate instability under the sea floor associated with past climate change and its mechanism
    • 10528 : Sensitive and precise measurement of isotope ratios for chemodynamics researches
    • 10565 : Study on carbon cycle in the marine sediment using microbial rRNA-level radiocarbon analysis
    • 10603 : Study on analytical methods for characterization and chemodynamics of elements in environment and organisms
    • 10672 : Possibility of large marine carbon reservoir fueled by carbon assimilating marine chemoautotroph– case study for marine organisms macrocosm experiment using natural-level radiocarbon.
Research Result (Publication)
  • all
  • Original Paper
  • Other Publications
  • Radiocarbon analysis of aldehydes in indoor air for source apportionment
    Presenter : Kuramata M., Shinohara N., Yoshinaga J., Yoneda M., Seyama H., Uchida M., Shibata Y.
    Title : , 10th Symp.Jpn.AMS Soc.Proc., 307-310 (2008)
Research Result (Presentation)
  • all
  • Research Presentation
  • Research Lecture
  • North Pacific Intermediate Water changes in the Bering Sea during the last glacial and deglacial period in association with abrupt climate changes
    Presenter : Rella S. , Tada R., Nagashima K., Ikehara K., Itaki T., Ohkushi K, Sakamoto T., Harada N., Uchida M.
    Name of Society : Climate Res.Semin. (2010)
    Name of Proceedings : -