12:00 PM - 12:15 PM
*Kana Nagashima1, Hirotsugu Nishido2, Masahiro KAYAMA3, Syuhei Ohgo4, Kumiko Goto-Azuma5, Tetsuichi Fujiki1, Hitoshi Hasegawa6 (1.Japan Agency for Marine-Earth Science and Technology, Research and Development Center for Global Change, 2.Okayama University of Science, Faculty of Biosphere-Geosphere Science, 3.Tohoku University, Fculty of Science, Department of Earth and Planetary Material sciences, 4.Graduate School of Science, Okayama University of Science, 5.National Institute of Polar Research, 6.Kochi University, Faculty of Science and Technology)