5:45 PM - 6:00 PM
*Yuki OTA1, Hodaka KAWAHATA1, Yusuke YOKOYAMA2, Masafumi MURAYAMA3, Mayuri INOUE4, Yousuke MIYAIRI2 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Atmosphere and Ocean Research Institute, University of Tokyo, 3.Center for Advanced Marine Core Research , Kochi University, 4.Department of Earth Sciences, Okayama University)