*Sugimoto Miyama¹, Akira Tsuchiyama¹, Junya Matsuno¹, Akira Miyake¹, Tsukasa Nakano², Kentaro Uesugi³, Akihisa Takeuchi³, Aki Takigawa¹, Akiko Takayama¹, Keiko Nakamura-Messenger⁴, Aaron S. Burton⁴, Scott Messenger⁴ (1.Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University, 2.AIST/GSJ, 3.JASRI/SPring-8, 4.NASA/JSC)

*Naoko Kitada¹, Hiroko Ito¹, Tomoo Echigo¹, Fujiwara Teruyuki¹ (1.Geo-Research Institute)

*Asami Kazuki¹, Koji Kodera¹ (1.Hosei University Lab. for Hydrogey)

*Yoshihiro IGARI¹, Koji Kodera¹, Kazuki ASAMI¹, Masaki HORIUCHI¹ (1.Hosei University Lab. for hydrogeography)

*Seiichiro Ioka¹, Isao Machida², Hirofumi Muraoka¹, Yota Suzuki³ (1.North Japan Reserach Institute for Sustainable Energy, Hirosaki University, 2.AIST, 3.Graduate School of Science and Technology, Hirosaki University)

*Takafumi Kamitani¹, Akira Ito¹, Koichi Ooyama¹, Sayaka Ogou¹, Mitsuaki Suzuki¹, Rika Kouda¹, Noriaki Fushimi¹, Yasuhide Muranaka¹, Ki-Cheol Shin² (1.Shizuoka Institute of Environment and Hygiene, 2.Research Institute for Humanity and Nature)

*Shiho Yabusaki^1,3, Osamu Inaba², Kunihiro Nakagawa² (1.Research Institute for Humanity and Nature, 2.Minamisoma City Museum, 3.Fukushima University)

*Kazuki Hayashida¹, Toshihiro Kato¹, Mitsuru Kubota¹, Teruki Iwatsuki¹ (1.Japan Atomic Energy Agency)