5:15 PM - 6:30 PM
*IJIN KANG1, Kaoru Kashima1, Koji Seto2, Yukinori Tani3, Takahiro Watanabe4, Toshio Nakamura5, Genki I. Matsumoto6, Satoshi Imura7 (1.Department of Earth and Planetary Sciences, Graduate School of Sciences, Kyushu University, 2.Research Center for Coastal Lagoon Environments, Shimane University, 3.Institute of Environmental Sciences, University of Shizuoka, 4.Japan Atomic Energy Agency, 5.Center for Chronological Research, Nagoya University, 6.School of Social Information Studies, Otsuma Women’s University, 7.National Institute of Polar Research)