2:25 PM - 2:40 PM
*Arisa Seki1, Ryuji Tada2, Shunsuke Kurokawa3, Tomohisa Irino4, Masafumi Murayama5,6 (1.Faculty of Science, Shinshu University, 2.Institute for Geo-Cosmology, Chiba Institute of Technology, 3.Graduate School of Science, The University of Tokyo, 4.Faculty of Environmental Earth Science, Hokkaido University, 5.Faculty of Agriculture and Marine Science, Kochi University, 6.Center for Advanced Marine Core Research, Kochi University)