*Yuji Sano¹ (1. Kochi University (Japan))

*Hanae Saishu¹, Makoto Otsubo¹, Atsushi Okamoto², Kohtaro Ujiie³ (1. Geological Survey of Japan, AIST (Japan), 2. Tohoku University (Japan), 3. University of Tsukuba (Japan))

*Takumi Nara¹, Masaoki Uno¹, Diana Mindaleva¹, Tetsuo Kawakami², Fumiko Higashino², Ta Adachi³, Noriyoshi Tsuchiya¹ (1. Tohoku University (Japan), 2. Kyoto University (Japan), 3. Kyushu University (Japan))

*Shunya Okino¹, Atsushi Okamoto¹, Yukiko Kita¹, Jun Muto¹ (1. Tohoku Univ. (Japan))

*Madison Frank¹, Kohtaro Ujiie², Ginta Motohashi¹, Takayoshi Nagaya³ (1. Graduate School of Science and Technology, University of Tsukuba (Japan), 2. Faculty of Science and Technology, University of Tsukuba (Japan), 3. Department of Environmental Science, Faculty of Education, Tokyo Gakugei University (Japan))

*Hanaya Okuda¹, Manami Kitamura², Miki Takahashi², Asuka Yamaguchi³ (1. Kochi Institute for Core Sample Research, JAMSTEC (Japan), 2. Geological Survey of Japan, AIST (Japan), 3. Atmosphere and Ocean Research Institute, University of Tokyo (Japan))

*Kazumasa Sueyoshi¹, Katsuya Mizuno¹, Kenta Takagi¹, Nobuo Hirano¹, Noriyoshi Tsuchiya¹ (1. Tohoku Univ. (Japan))