5:15 PM - 6:30 PM
*Asuka Yamaguchi1, Rina Fukuchi1, Mari Hamahashi2, Mayuko Shimizu3, Taiga Eguchi4, Kyuichi Kanagawa4 (1.Atomosphere and Ocean Research Institute, The University of Tokyo, 2.Department of Earth and Planetary Science, Graduate School of Science, the University of Tokyo, 3.Tono Geoscience Center, Japan Atomic Energy Agency, 4.Department of Earth Sciences, Faculty of Science, Chiba University)