11:45 AM - 12:00 PM
*Ryosuke Sakai1, Mizuho Koike1, Yuta Sumiya1, Kohei Sasaki2, Naoto Takahata2, Yuji Sano3 (1.Hiroshima University, 2.Atmosphere and Ocean research Institute, University of Tokyo, 3.Center for Advanced Marine Core Research, Kochi University)