Latest Update:2017/12/06 19:20:43

TOHJIMA Yasunori

Researcher Name
TOHJIMA Yasunori
Div (Section) name/title
Center for Environmental Measurement and Analysis(Environmental Chemodynamics Section)/Head
Research Subject
Measurements of variations in atmospheric oxygen concentration
Degree(s)
PhD
Professional Qualification(s)
Chemistry
Environmental Speciality Field
atmospheric chemistry,global carbon cycle,greenhouse gases
Keyword(s)
monitoring,precise measurement,gas chromatography
Brief Description of Research
Global carbon cycle based on the atmospheric O2 change
Career
1983-1987 Bachelor of Chemistry, Faculty of Science, The University of Tokyo
1987-1989 M. S. in Chemistry, School of Science, The University of Tokyo
1989-1990 Doctoral Course, School of Science, The University of Tokyo University of Tokyo
1990-1994 Research associate of the Laboratory for Earthquake Chemistry at Tokyo University
1994-2003 Researcher of Atmospheric Measurement Section, Atmospheric Environment Division, NIES
2003-present Leader of Atmospheric Measurement Section, Atmospheric Environment Division, NIES
Membership of Academic Society
The Geochemical Society of Japan,Japanese Society for Atmospheric Environment,American Geophysical Union
Research Subject
  • 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
    • 23923 : Development of a Monitoring and Evaluation System of the Methane Budget for Different Source Categories in East Asia toward Intended Emission Reduction
    • 24051 : Integrated observational study of oxygen and isotopes of carbon dioxide in the atmosphere to investigate the climate responses of the global carbon cycle
    • 24131 : Development of analytical methods for environmental samples using AMS
    • 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
    • 23501 : Integrated observational study of oxygen and isotopes of carbon dioxide in the atmosphere to investigate the climate responses of the global carbon cycle
    • 23502 : Development of the shipboard atmospheric oxygen measurements system
    • 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
    • 23095 : Integrated observational study of oxygen and isotopes of carbon dioxide in the atmosphere to investigate the climate responses of the global carbon cycle
    • 23096 : Development of the shipboard atmospheric oxygen measurements system
    • 23190 : Atmospheric and Oceanic Monitoring
  • 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
    • 22676 : Long-term, comprehensive observations of long-lived greenhouse gases and short-lived climate forcers in Asia and Oceania regions
    • 22724 : Integrated observational study of oxygen and isotopes of carbon dioxide in the atmosphere to investigate the climate responses of the global carbon cycle
    • 22725 : Development of the shipboard atmospheric oxygen measurements system
    • 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
    • 22262 : Long-term, comprehensive observations of long-lived greenhouse gases and short-lived climate forcers in Asia and Oceania regions
    • 22294 : Monitoring of minor constituents of atmospheric greenhouse gases at Minamitorishima
    • 22295 : Long-term observation of oxygen and isotopes of carbon dioxide in the atmosphere to evaluate the global budget of carbon dioxide
    • 22379 : Atmospheric and Oceanic Monitoring
  • 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
    • 21788 : Long-term, comprehensive observations of long-lived greenhouse gases and short-lived climate forcers in Asia and Oceania regions
    • 21793 : Long-term observation of oxygen and isotopes of carbon dioxide in the atmosphere to evaluate the global budget of carbon dioxide
    • 21794 : Monitoring of minor constituents of atmospheric greenhouse gases at Minamitorishima
    • 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
    • 21483 : Study on long term observation of trace greenhouse gases in the Asia-Oceania regions
    • 21560 : Monitoring of minor constituents of atmospheric greenhouse gases at Minamitorishima
    • 21562 : Long-term observation of oxygen and isotopes of carbon dioxide in the atmosphere to evaluate the global budget of carbon dioxide
    • 21595 : Atmospheric and Oceanic Monitoring
  • Fiscal Year: 2010
    • 20857 : Long-term observation of oxygen and isotopes of carbon dioxide in the atmosphere to evaluate the global budget of carbon dioxide
    • 20858 : Analysis of synoptic variations in the atmospheric O2 and CO2 concentration observed at Hateruma and Ochi-ishi monitoring stations
    • 20890 : Study on long term observation of trace greenhouse gases in the Asia-Oceania regions
    • 21092 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
    • 21227 : Atmospheric and Oceanic Monitoring
  • Fiscal Year: 2009
    • 20544 : Long-term observation of oxygen and isotopes of carbon dioxide in the atmosphere to evaluate the global budget of carbon dioxide
    • 20569 : Analysis of synoptic variations in the atmospheric O2 and CO2 concentration observed at Hateruma and Ochi-ishi monitoring stations
    • 20608 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
    • 20617 : Atmospheric and Oceanic Monitoring
    • 20714 : Study on long term observation of trace greenhouse gases in the Asia-Oceania Regions
    • 20729 : Development for monitoring technology related to global warming
  • Fiscal Year: 2008
    • 20081 : Estimation of temporal changes in the emission strengths from East Asia basen on the observations of atmospheric trace species at Hateruma monitoring stations
    • 20307 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
    • 20308 : Observation of oxygen and isotopes of carbon dioxide in the atmosphere for the detection of the long-term change of the CO2 sinks by land ecosystem and ocean
    • 20334 : Atmospheric and Oceanic Monitoring
  • Fiscal Year: 2007
    • 10376 : Atmospheric and Oceanic Monitoring
    • 10406 : Observation of oxygen and isotopes of carbon dioxide in the atmosphere for the detection of the long-term change of the CO2 sinks by land ecosystem and ocean
    • 10436 : CO2・O2 budget between atmosphere and ocean in the Western Pacific
    • 10574 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
    • 10666 : Estimation of temporal changes in the emission strengths from East Asia basen on the observations of atmospheric trace species at Hateruma monitoring stations
  • Fiscal Year: 2006
    • 10023 : Atmospheric and Oceanic Monitoring
    • 10067 : Distribution and sources of non-CO2 greenhouse gases in the Western Pacific
    • 10099 : Observation of oxygen and isotopes of carbon dioxide in the atmosphere for the detection of the long-term change of the CO2 sinks by land ecosystem and ocean
    • 10158 : CO2・O2 budget between atmosphere and ocean in the Western Pacific
    • 10307 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
  • Fiscal Year: 2005
    • 9328 : Global Environmental Monitoring
    • 9490 : Estimation of the relative emission strengths from East Asia basen on the short-term vaiations of atmospheric trace gases observed at Hateruma and Ochi-ishi monitoring stations
    • 9538 : Distribution and sources of non-CO2 greenhouse gases in the Western Pacific
    • 9570 : Observation of oxygen and isotopes of carbon dioxide in the atmosphere for the detection of the long-term change of the CO2 sinks by land ecosystem and ocean
    • 9653 : CO2・O2 budget between atmosphere and ocean in the Western Pacific
  • Fiscal Year: 2004
    • 8935 : Global Environmental Monitoring
    • 8965 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.
    • 9067 : Development of monitoring system for the halocarbon inventory in East Asia
    • 9241 : Estimation of the relative emission strengths from East Asia basen on the short-term vaiations of atmospheric trace gases observed at Hateruma and Ochi-ishi monitoring stations
    • 9320 : Observation of oxygen and isotopes of carbon dioxide in the atmosphere for the detection of the long-term change of the CO2 sinks by land ecosystem and ocean
  • Fiscal Year: 2003
    • 8599 : Global Environmental Monitoring
    • 8638 : Study of O2/CO2 exchange ratio between the atmosphere and the forest ecosystem
    • 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.
    • 8765 : The development of gravimetric standard gases for measurements of atmospheric O2/N2 ratio
    • 8783 : Development of monitoring system for the halocarbon inventory in East Asia
  • Fiscal Year: 2002
    • 8306 : Global Environmental Monitoring
    • 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
    • 8403 : Study of O2/CO2 exchange ratio between the atmosphere and the forest 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.
    • 8554 : The development of gravimetric standard gases for measurements of atmospheric O2/N2 ratio
    • 8579 : Development of monitoring system for the halocarbon inventory in East Asia
  • Fiscal Year: 2001
    • 8000 : Global Environmental Monitoring
    • 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
    • 8183 : Study of O2/CO2 exchange ratio between the atmosphere and the forest 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.
Research Result (Publication)
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  • Original Paper
Research Result (Presentation)
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  • Research Presentation