Latest Update:2024/03/11 13:27:52

UMEZAWA Taku

Researcher Name
UMEZAWA Taku
Div (Section) name/title
Earth System Division(Environmental Chemodynamics Section)/Senior Researcher
Research Subject
Studies on atmospheric trace gas variations and isotope measurements
Degree(s)
Ph.D
Professional Qualification(s)
Science,Earth Science,Physics
Environmental Speciality Field
atmospheric chemistry,greenhouse gas,carbon cycle
Research Subject
  • 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
    • 26410 : Quantitative evaluation of anthropogenic sources of SLCFs and greenhouse gases at region, country and city scale
    • 26450 : Earth System Domain: Foresight and Advanced Basic Research
    • 26479 : Observation of the atmospheric GHGs by using ground sites and aircraft
    • 26564 : Characterizing urban methane sources in the two Japanese megacities: Tokyo and Osaka
    • 26565 : Have the stratospheric circulation changed for the last 30 years? —Estimation from new halocarbon measurements—
    • 26651 : Development of a greenhouse gas monitoring system from city to global scales using commercial airliners
  • 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
    • 25966 : Quantitative evaluation of anthropogenic sources of SLCFs and greenhouse gases at region, country and city scale
    • 26006 : Earth System Domain: Foresight and Advanced Basic Research
    • 26067 : Source sampling and stable carbon isotope measurements from various methane source categories in South Asia and Southeast Asia
    • 26095 : Observation of the atmospheric GHGs by using ground sites and aircraft
    • 26266 : Development of a greenhouse gas monitoring system from city to global scales using commercial airliners
    • 26392 : Characterizing urban methane sources in the two Japanese megacities: Tokyo and Osaka
  • 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
    • 25507 : Quantitative evaluation of anthropogenic sources of SLCFs and greenhouse gases at region, country and city scale
    • 25624 : Estimation of regional-global methane emissions and refinement of its estimate by GOSAT-2 and surface observations
    • 25655 : Earth System Domain: Foresight and Advanced Basic Research
    • 25819 : An integrated GHG top-down analysis for Asia using multi-species aircraft observations
    • 25856 : Source sampling and stable carbon isotope measurements from various methane source categories in South Asia and Southeast Asia
    • 25875 : Development of a greenhouse gas monitoring system from city to global scales using commercial airliners
    • 25929 : Observation of the atmospheric GHGs by using ground sites and aircraft
  • Fiscal Year: 2020
    • 25128 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
    • 25185 : Development of a novel high-precision preparation method for standard gases of atmospheric carbonyl sulfide as a new tracer for carbon cycle studies
    • 25282 : Estimation of regional-global methane emissions and refinement of its estimate by GOSAT-2 and surface observations
    • 25336 : Source sampling and stable carbon isotope measurements from various methane source categories in South Asia and Southeast Asia
    • 25373 : An integrated GHG top-down analysis for Asia using multi-species aircraft observations
    • 25412 : Long-term 3D observation of greenhouse gases by commercial airliner and its data distribution system
  • Fiscal Year: 2019
    • 24708 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
    • 24772 : Development of a monitoring and evaluation system of the methane bdget for different source categories in East Asia toward intended emission reduction
    • 24804 : Development of an integrated observation and analysis system for monitoring greenhouse gas sources and sinks
    • 24939 : Reconstruction of atmospheric variations of methane isotopes over the last 50 years using measurements of halocarbons in firn air samples
    • 24992 : Estimation of regional-global methane emissions and refinement of its estimate by GOSAT-2 and surface observations
    • 25077 : Development of a novel high-precision preparation method for standard gases of atmospheric carbonyl sulfide as a new tracer for carbon cycle studies
  • Fiscal Year: 2018
    • 24291 : Study on multi-scale evaluation system for GHG variation and mitigation
    • 24417 : Estimation of Regional-Global Methane Emissions and Refinement of Its Estimate by GOSAT-2 and Surface Observations
    • 24441 : Development of an integrated observation and analysis system for monitoring greenhouse gas sources and sinks
    • 24473 : Development of a Monitoring and Evaluation System of the Methane Budget for Different Source Categories in East Asia toward Intended Emission Reduction
    • 24478 : Reconstruction of atmospheric variations of methane isotopes over the last 50 years using measurements of halocarbons in firn air samples
  • Fiscal Year: 2017
    • 23923 : Development of a Monitoring and Evaluation System of the Methane Budget for Different Source Categories in East Asia toward Intended Emission Reduction
    • 24034 : Reconstruction of atmospheric variations of methane isotopes over the last 50 years using measurements of halocarbons in firn air samples
    • 24163 : Development of an integrated observation and analysis system for monitoring greenhouse gas sources and sinks
  • Fiscal Year: 2016
    • 23678 : Integrated observation and analysis system for early detection of carbon cycle change globally and in Asia-Pacific region
  • Fiscal Year: 2015
    • 23224 : Integrated observation and analysis system for early detection of carbon cycle change globally and in Asia-Pacific region
Research Result (Publication)
  • all
  • Original Paper
  • Other Publications
Research Result (Presentation)
  • all
  • Research Presentation
  • Research Lecture
  • Greenhouse gases and related tracer measurements in the atmosphere over South Asia
    Presenter : Terao Y., Ahmed Md.K., Naja M., Nomura S., Umezawa T., Machida T., Mukai H., Patra P.K.
    Name of Society : International Conference on Earth and Environmental Sciences & Technology for Sustainable Development (ICEEST) 2020 (2020)
    Name of Proceedings : Abstracts, 62
  • Observation of atmospheric CH4 using aircraft platform
    Presenter : Machida T., Sasakawa M., Umezawa T., Sawa Y., Matsueda H., Niwa Y., Tsuboi K., Murayama S., Morimoto S., Aoki S.
    Name of Society : InGos International Conference (2015)
    Name of Proceedings : Abstracts