11:00 AM - 11:15 AM
*Jumpei Yoshioka1,2, Junichiro Kuroda2, Kenji Matsuzaki2, Sota Niki3, Takafumi Hirata3, Takeru Kochi1,2, Nanako O. Ogawa4, Naohiko Ohkouchi4 (1.Department of Earth and Planetary Science, the University of Tokyo, 2.Atmosphere and Ocean Research Institute, the University of Tokyo, 3.Geochemical Research Center, the University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology)