Convener:*Teruyuki Nakajima(Japan Aerospace Exploration Agency), Riko Oki(Japan Aerospace Exploration Agency), Mike Freilich(NASA), Masaki Fujimoto(Institite of Space and Astronautical Science, Japan Aerospace Exploration Agency), Yukari Takayabu(Atmosphere and Ocean Research Institute, the University of Tokyo), Gail Skofronick Jackson(NASA Goddard Space Flight Center), Taikan Oki(Institute of Industrial Science, The University of Tokyo), Paul Chang(NOAA College Park), Tatsuya Yokota(National Institute for Environmental Studies), David Crisp(Jet Propulsion Laboratory, California Institute of Technology), Dante.S Lauretta(Lunar and Planetary Laboratory University of Arizona), Chair:Masaki Fujimoto(Institite of Space and Astronautical Science, Japan Aerospace Exploration Agency)

Convener:*Teruyuki Nakajima(Japan Aerospace Exploration Agency), Riko Oki(Japan Aerospace Exploration Agency), Mike Freilich(NASA), Masaki Fujimoto(Institite of Space and Astronautical Science, Japan Aerospace Exploration Agency), Yukari Takayabu(Atmosphere and Ocean Research Institute, the University of Tokyo), Gail Skofronick Jackson(NASA Goddard Space Flight Center), Taikan Oki(Institute of Industrial Science, The University of Tokyo), Paul Chang(NOAA College Park), Tatsuya Yokota(National Institute for Environmental Studies), David Crisp(Jet Propulsion Laboratory, California Institute of Technology), Dante.S Lauretta(Lunar and Planetary Laboratory University of Arizona), Chair:Michael Freilich(Director, Earth Science Div. NASA Headquarters), Teruyuki Nakajima(Japan Aerospace Exploration Agency)

Convener:*Kazuyuki Kita(Faculty of Science, Ibaraki University), Yuichi Onda(Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba), Teruyuki Nakajima(Japan Aerospace Exploration Agency), Yasuhito Igarashi(Atmospheric Environment and Applied Meteorology Research Department, Meteorological Research Institute), Masatoshi Yamada(Institute of Radiation Emergency Medicine, Hirosaki University), Chisato Takenaka(Graduate School of Bioagricultural Sciences, Nagoya University), masayoshi yamamoto(Low Level Radioactivity Laboratory, Kanazawa University), Jota Kanda(Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology), Atsushi Shinohara(Osaka university), Chair:Yukihiko Satou(Graduate School of Pure and Applied Sciences, University of Tsukuba)

Convener:*Kazuyuki Kita(Faculty of Science, Ibaraki University), Yuichi Onda(Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba), Teruyuki Nakajima(Japan Aerospace Exploration Agency), Yasuhito Igarashi(Atmospheric Environment and Applied Meteorology Research Department, Meteorological Research Institute), Masatoshi Yamada(Institute of Radiation Emergency Medicine, Hirosaki University), Chisato Takenaka(Graduate School of Bioagricultural Sciences, Nagoya University), masayoshi yamamoto(Low Level Radioactivity Laboratory, Kanazawa University), Jota Kanda(Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology), Atsushi Shinohara(Osaka university), Chair:Yuko Hatano(Graduate School of Systems and Information Engineering, University of Tsukuba)

Convener:*Kazuyuki Kita(Faculty of Science, Ibaraki University), Yuichi Onda(Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba), Teruyuki Nakajima(Japan Aerospace Exploration Agency), Yasuhito Igarashi(Atmospheric Environment and Applied Meteorology Research Department, Meteorological Research Institute), Masatoshi Yamada(Institute of Radiation Emergency Medicine, Hirosaki University), Chisato Takenaka(Graduate School of Bioagricultural Sciences, Nagoya University), masayoshi yamamoto(Low Level Radioactivity Laboratory, Kanazawa University), Jota Kanda(Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology), Atsushi Shinohara(Osaka university), Chair:Michio Aoyama(Institute of Environmnetal Radioactivity, Fukushima University)

Convener:*Kazuyuki Kita(Faculty of Science, Ibaraki University), Yuichi Onda(Center for Research on Isotopes and Environmental Dynamics, University of Tsukuba), Teruyuki Nakajima(Japan Aerospace Exploration Agency), Yasuhito Igarashi(Atmospheric Environment and Applied Meteorology Research Department, Meteorological Research Institute), Masatoshi Yamada(Institute of Radiation Emergency Medicine, Hirosaki University), Chisato Takenaka(Graduate School of Bioagricultural Sciences, Nagoya University), masayoshi yamamoto(Low Level Radioactivity Laboratory, Kanazawa University), Jota Kanda(Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology), Atsushi Shinohara(Osaka university)