2:00 PM - 2:15 PM
*Fukuyo Naoto1,2, Yusuke Yokoyama1, Geoffey Clark3, Kaoru Kubota4, Yosuke Miyairi1, Naoko Sugihara1, Shirai Kotaro1, Tomihiko Higuchi1, Toshihiro Miyajima1 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Department of Earth and Planetary Science, The University of Tokyo, 3.Archaeology and Natural History,College of Asia and the Pacific,The Australian National University, 4. Kochi Institute for Core Sample Research, JAMSTEC)