3:30 PM - 3:45 PM
*Akira Usui1, Hiroshi Kawahata 4, Kyoko Yamaoka2, Teruhiko Kashiwabara3, Hikari Hino4 (1.Marine Core Research Institute, Kochi University, 2.Advanced Institute for Science and Techonlogy, 3.Japan Agency for Marine and Earth Science and Techonology, 4.Kochi University)