5:15 PM - 6:30 PM
*Akira Ijiri1,2, Tomohiro Toki3, Ko Agena3, Tatsuhiko Hoshino1,2, Hideaki Machiyama2, Juichiro Ashi4, Fumio Inagaki1,2 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine Science and Technology (JAMSTEC), 2.Research and Development Center for Submarine Resources, JAMSTEC, 3.Faculty of Science, University of the Ryukyus, 4.Atmosphere and Ocean Research Institute, The University of Tokyo)