3:30 PM - 3:45 PM
*Yuki Ota1,2,3,4, Hodaka Kawahata4, Junichiro Kuroda4,3, Atsushi Suzuki2, Daisuke Araoka2, Asuka Yamaguchi4, Ayako Abe-Ouchi4 (1.Department of Earth and Planetary Science, The University of Tokyo, 2.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 3.Department of Biogeochemistry, Japan Agency for Marine-Earth Science and Technology, 4.Atmosphere and Ocean Research Institute, The University of Tokyo)