9:00 AM - 9:25 AM
*Ikuko WADA1, He JIANGHENG2, Akira HASEGAWA3, Yoshihiko TAMURA4, Junichi NAKAJIMA3 (1.IRIDeS, Tohoku University, 2.Pacific Geoscience Centre, Canada, 3.Graduate School of Science, Tohoku University, 4.Japan Agency for marine-Earth Science and Technology)