5:15 PM - 7:15 PM
*Mayuko Sekikawa1, Hanaya Okuda2, Manami Kitamura3, Miki Takahashi3, Asuka Yamaguchi4, Michiyo Sawai1 (1.Chiba University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.National Institute of Advanced Industrial Science and Technology, 4.Atmosphere and Ocean Research Institute, The University of Tokyo)