3:15 PM - 3:30 PM
*Yoshiaki YAMAKAWA1, Kohei SAKATA1, Aya MIYAHARA1, Chihiro MIYAMOTO2, Aya SAKAGUCHI1, Yoshio TAKAHASHI1 (1.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 2.Department of Science, Hiroshima University)