9:00 AM - 9:15 AM
*Kazuhisa Chikita1, Daisuke Yanaba2, Yoshitaka Sakata3, Md Motaleb Hossain1 (1.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 2.Department of Earth and Planetary Sciences, School of Science, Hokkaido University, 3.Department of Space System, Faculty of Engineering, Hokkaido University)