10:15 AM - 10:30 AM
*Toshitsugu Yamazaki1, Yuhji Yamamoto2, Toshiya Kanamatsu3, Yuho Kumagai4, Norihiro Nakamura4 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Center for Advanced Marine Core Research, Kochi University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Tohoku University)