*Yoshiaki Suzuki¹, Ryuji Tada¹, Tomohisa Irino², Kazuyoshi Yamada³, Kana Nagashima⁴, Takeshi Nakagawa⁵, Tsuyoshi Haraguchi⁶, Katsuya Gotanda⁷, SG12/06 Project members (1.The University of Tokyo, 2.Hokkaido University, 3.Museum of Natural and Environmental history, Shizuoka, 4.JAMSTEC, 5.Ritsumeikan University, 6.Osaka City University, 7.Chiba University of Commerce)

*Akira Sato¹, Daisuke Sugawara², Akifumi Hisamatsu³, Kazuhisa Goto⁴ (1.Department of Earth Science, Tohoku University, 2.Museum of Natural and Environmental History, Shizuoka, 3.Department of Civil and Environmental Engineering, Tohoku University, 4.International Research Institute of Disaster Science (IRIDeS), Tohoku University)

*Yoshio Inouchi¹ (1.Faculty of Human Sciences, Waseda University)

*Stephen Obrochta¹, Andrén Thomas², Szilárd Zsolt Fazekas³, Bryan Lougheed⁴, Ian Snowball⁴, Yusuke Yokoyama⁵, Miyairi Yosuke⁵, Reisuke Kondo⁶, Aarno Kotilainen⁷, Outi Hyttinen⁸, Annick Fehr⁹ (1.Akita University, 2.Södertörn University, 3.Akita U., 4.Uppsala University, 5.Tokyo University, 6.Kogakkan University, 7.Geological Survey of Finland, 8.University of Helsinki, 9.Aachen University)

*IJIN KANG¹, Kaoru Kashima², Koji Seto³, Yukinori Tani⁴, Takahiro Watanabe⁵, Toshio Nakamura⁶, Satoshi Imura⁷, Genki I. Matsumoto⁸ (1.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, 2.Department of Earth and Planetary Sciences, Faculty of Sciences, Kyushu University, 3.Research Center for Coastal Lagoon Environments, Shimane University, 4.Institute of Environmental Sciences, University of Shizuoka, 5.Japan Atomic Energy Agency, 6.Center for Chronological Research, Nagoya University, 7.National Institute of Polar Research, 8.School of Social Information Studies, Otsuma Women’s University)

*Naoya Tsuchihashi¹, Ken'ichi Osaka², Yuhei Suzuki², Saki Yamada², Masahiro Maruo², Takashi Nakamura³, Kei Nishida³ (1.Graduate School of Environmental Science, University of Shiga Prefecture, 2.School of Environmental Science, University of Shiga Prefecture, 3.Faculty of Environmental Science, University of Yamanashi)

*XIANG GAO¹, Yuichi Onda², Keisuke Taniguchi³ (1.Master's Program in Environmental Sciences,University of Tsukuba , 2.Center for Research on Isotopes and Environmental Dynamics,University of Tsukuba, 3.Centre for Environmental Creation Fukushima Prefecture)

*Miho Fukuda¹, Shinnosuke Yamazaki¹, Tatsuo Aono¹, Takashi Ishimaru², Jota Kanda² (1.National Institute for Quantum and Radiological Science and Technology, National Institute of Radiological Science, 2.Tokyo University of Marine Science and Technology)