12:15 PM - 12:30 PM
*Yukiko NAGAI1, Takashi TOYOFUKU1, Hidetaka NOMAKI1, Yoshito CHIKARAISHI1, Tomoo WATSUJI1, Tetsuro IKUTA1, Yoshihiro TAKAKI1, Takao YOSHIDA1, Shuichi SHIGENO1, Koji INOUE2, Masaaki KONISHI1 (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2.University of Tokyo)