9:15 AM - 9:30 AM
*Koya NAGAE1, Yusuke Yokota2, Tadashi Ishikawa1, Shun-ichi Watanabe1, Yuto Nakamura1, Yuto Yoshizumi3, Tomohiro Inoue2, Kenji Kono2, Takeshi Iinuma4 (1.Japan Coast Guard, Hydrographic and Oceanographic Department, 2.Institute of Industrial Science, University of Tokyo, 3.Graduate School of Frontier Sciences, University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology)