4:30 PM - 4:45 PM
*Ishii Hana1, Osamu Seki2, Masanobu Yamamoto3, IODP Expedition 382 Scientists4 (1.Graduate School of Environmental Science, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, 3.Faculty of Environmental Earth Science, 4.IODP Expedition 382 )