9:15 AM - 9:30 AM
*Takashi Ishizawa1, Kazuhisa Goto2, Yusuke Yokoyama3, Yosuke Miyairi3, Chikako Sawada3 (1.Department of earth Science, Tohoku University, 2.International Research Institute of Disaster Science, Tohoku University, 3.Atmosphere and Ocean Research Institute, University of Tokyo)