Theme 1: Development of an observation-based early estimation system for surface fluxes of GHG and other related species
Sub-theme 1
"Development of atmospheric transport models and surface flux inversion models"
Yosuke Niwa
Senior Researcher
GHG simulation and analysis
National Institute for Environmental Studies
Daisuke Goto
Senior Researcher
SLCF simulation and analysis
National Institute for Environmental Studies
Hisashi Yashiro
Research Scientist
Development of integrated modeling systems
National Institute for Environmental Studies
Yosuke Yamashita
Research Scientist
HFC modeling and analysis
National Institute for Environmental Studies
Kohei Ikeda
Research Scientist
SLCF simulation and analysis
National Institute for Environmental Studies
Masayuki Takigawa
Group Leader
Flux evaluation using particle dispersion model
Japan Agency for Marine-Earth Science and Technology
Suman Maity
Specially Appointed Researcher
GHG simulation and analysis
National Institute for Environmental Studies
Jagat Bisht
Specially Appointed Researcher
GHG simulation and analysis
National Institute for Environmental Studies
Sub-theme 2
"Analyses of atmospheric GHG and SLCF variations based on multiple-platform observations"
Yukio Terao
Research Scientist
GHG isotope observation and data analysis
National Institute for Environmental Studies
Hiroshi Tanimoto
Deputy Director
SLCF observation and data analysis
National Institute for Environmental Studies
Takuya Saito
Senior Researcher
HFC observation and data analysis
National Institute for Environmental Studies
Yasunori Tohjima
Special Appointment Researcher
GHG observation and data analysis
National Institute for Environmental Studies
Toshinobu Machida
Special Appointment Researcher
Aircraft observation and data analysis
National Institute for Environmental Studies
Shinichiro Nakaoka
Research Scientist
Regular cargo ship observation and data analysis
National Institute for Environmental Studies
Taku Umezawa
Research Scientist
GHG isotope observation and data analysis
National Institute for Environmental Studies
Astrid Müller
Researcher
Regular cargo ship observation and data analysis
National Institute for Environmental Studies
Yugo Kanaya
Center Director
SLCF observation and data analysis
Japan Agency for Marine-Earth Science and Technology
Sub-theme 3
"Improvement of sea-air CO2 flux evaluation using insitu observations and a high-resolution ocean model"
Yukio Kosugi
Senior Researcher
Ocean CO2 observation and analysis
Meteorological Research Institute, JMA
Hiroyuki Tsujino
Head
North Pacific high-resolution model CO2 flux analysis
Meteorological Research Institute, JMA
Masao Ishii
Senior Researcher
Ocean CO2 measurement and analysis
Meteorological Research Institute, JMA
Takashi Maki
Head
Atmospheric CO2 concentration analysis and evaluation
Meteorological Research Institute, JMA
Ryo Fujita
Researcher
Atmospheric CO2 concentration observation
Meteorological Research Institute, JMA
Theme 2: Research on the quantification of global sources and sinks of three major GHGs using Earth system and inverse modeling approaches
Sub-theme 1
"Earth system modeling"
Tomohiro Hajima
Principal Investigator
Earth System/Terrestrial Modeling
Japan Agency for Marine-Earth Science and Technology
Hiroaki Tatebe
Principal Investigator
Earth System/Ocean Modeling, Data Assimilation
Japan Agency for Marine-Earth Science and Technology
Takashi Sekiya
Researcher
Earth System/Atmospheric Chemistry Modeling
Japan Agency for Marine-Earth Science and Technology
Yusuke Sato
Specially Appointed Researcher
Earth System/Terrestrial Modeling and Analysis
Japan Agency for Marine-Earth Science and Technology
Kenge Sudo
Professor
Earth System/Atmospheric Chemistry Modeling
Nagoya University
Toshimasa Doi
Associate Research Director
Data Assimilation and Parameter Estimation
Japan Agency for Marine-Earth Science and Technology
Shinya Kouketsu
Principal Investigator
Data Assimilation and Parameter Estimation
Japan Agency for Marine-Earth Science and Technology
Manabu Abe
Deputy Principal Investigator
Earth System Modeling
Japan Agency for Marine-Earth Science and Technology
Sub-theme 2
"Top-down estimates"
Prabir Patra
Senior Researcher
Top-Down Approach
Japan Agency for Marine-Earth Science and Technology
Naveen Chandra
Project Researcher
Top-Down Approach
Japan Agency for Marine-Earth Science and Technology
Naoko Saitoh
Associate Professor
Isotope Modeling, Satellite, Top-Down Methods
Chiba University
Dmitry Belikov
Project Researcher
Isotope Modeling, Satellite, Top-Down Methods
Chiba University
Theme 3: Studies on bottom-up evaluation of surface budgets including sinks of GHG and related substances
Sub-theme 1
"Study on land GHGs and related substances using biogeochemical models and inventories"
Akihiko Ito
Professor
Terrestrial material cycle, modeling
University of Tokyo
Etsushi Kato
Deputy Director
Absorption sources, carbon dioxide removal
Institute of Applied Energy
Sub-theme 2
"Research on monitoring variations in terrestrial GHG fluxes using satellite observations"
Kazuhito Ichii
Professor
Terrestrial material cycle, remote sensing, ground observation network, machine learning
Chiba University
Sub-theme 3
"Research on evaluating forest soil GHG exchange using ground observations and data-driven models"
Shoji Hashimoto
Research Scientist
Forest carbon cycle, soil greenhouse gases
Forestry and Forest Products Research Institute
Hiroki Mori
Research Scientist
Enzyme activity, organic matter decomposition
Forestry and Forest Products Research Institute
Tadashi Sakata
Team Leader
Soil greenhouse gases, forest Cs dynamics
Forestry and Forest Products Research Institute
Toru Hashimoto
Team Leader
Naniwa-zu, earthworms
Forestry and Forest Products Research Institute
Tomoaki Morishita
Research Scientist
Forest soil, carbon dioxide, methane, nitrous oxide
Forestry and Forest Products Research Institute
Takanori Shimizu
Head
Flux observation, water and heat balance
Forestry and Forest Products Research Institute
Yuko Itoh
Research Scientist
Air pollutants, forest water and material balance
Forestry and Forest Products Research Institute
Hiroshi Kominami
Head
Micrometeorology, forest ecology, snow and ice hydrology, forest hydrology
Forestry and Forest Products Research Institute
Takafumi Miyama
Research Scientist
Biogenic volatile organic compounds, forest carbon cycle, atmosphere-forest greenhouse gas flux
Forestry and Forest Products Research Institute
Naoyuki Yamashita
Research Scientist
Biogeochemistry, soil mapping, wide-area evaluation, machine learning, atmospheric deposition, stream water quality
Forestry and Forest Products Research Institute
Toru Okamoto
Group Leader
Paleoenvironmental transition, topography, soil
Forestry and Forest Products Research Institute
Satoru Takanashi
Research Scientist
Forest hydrology, bioenvironmental physics
Forestry and Forest Products Research Institute
Yoshiyuki Inagaki
Team Leader
Forest soil science, ecosystem ecology
Forestry and Forest Products Research Institute
Koji Shichi
Team Leader
Anthropogenic influence, paleoclimate, paleoecology, paleoforests, forest soils
Forestry and Forest Products Research Institute
Eriko Ito
Team Leader
Forest ecology, forest degradation, phenology
Forestry and Forest Products Research Institute
Yukiko Abe
Researcher
Soil carbon dynamics, soil organic matter decomposition, carbon isotopes
Forestry and Forest Products Research Institute
Theme 4: Study on effective use of monitoring of long-lived greenhouse gases and short-lived climate forcers to promote environmental policies and measures
Sub-theme 1
"Study on effective use of monitoring of long-lived greenhouse gases and short-lived climate forcers to promote international environmental policies and measures"
Kiyoto Tanabe
Senior Researcher
Environmental Policy, Emission Inventory, Support for Developing Countries
Institute for Global Environmental Strategies
Kei Kurushima
Principal Investigator
Climate Change Adaptation, Environmental Sociology, Rural Development
Institute for Global Environmental Strategies
Temuulen Murun
Fellow A
Climate mitigation policy, transparency framework, market mechanisms, climate change governance
Institute for Global Environmental Strategies
Masako Takahashi
Research Manager
International Climate Change Framework, Corporate Climate Change Risk Responses and Strategies, Environmental and Social Risks of Large-Scale International Development Projects
Institute for Global Environmental Strategies
Chisa Umemiya (until June 2025)
Research Manager
Climate Change and Forest Policy, International Cooperation
Institute for Global Environmental Strategies
Akibi Tsukui (FY2024 only)
Fellow A
Climate change mitigation, international climate change frameworks, market mechanisms
Institute for Global Environmental Strategies
Sub-theme 2
"Study to promote the utilization of satellite monitoring data on greenhouse gases and short-lived climate forcers for improved planning and implmentation of Japan’s emission reduction measures"
Tomoko Ishikawa
Director of Partnership and Development Support
Climate change mitigation, developing country support, network management
Institute for Global Environmental Strategies
Kenji Asakawa
Senior Program Manager
Local Government Administration, Urban Planning, Environmental Policy
Institute for Global Environmental Strategies
Hideyuk Mori
Senior Fellow
International Environmental Policy
Institute for Global Environmental Strategies関
Takashi Morimoto
Senior Principal Investigator
Climate Change Policy, Transparency, and Support for Developing Countries
Mitsubishi UFJ Research and Consulting Co., Ltd.