*Masaki Yamada1, Hajime Naruse2, Yuhei Matsuda1, Tetsuya Shinozaki3, Tetsuya Tokiwa1 (1.Faculty of Science, Shinshu University, 2.Faculty of Science, Kyoto University, 3.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba)
convener:Daisuke Ishimura(Department of Geography, Tokyo Metropolitan University), Takashi Chiba(Faculty of Bioresource Sciences, Akita Prefectural University), Masaki Yamada(Department of Geology, Faculty of Science, Shinshu University), Takashi Ishizawa(International Research Institute of Disaster Science, Tohoku University)