9:00 AM - 9:15 AM
*Yuto Nakamura1, Koya NAGAE1, Yukitaka Nakamura1, Tomoya Sugiyama1, Michihiro Suzuki2, Yusuke Yokota3 (1.Hydrographic and Oceanographic Department, Japan Coast Guard, 2.Shimosato Hydrographic Observatory, 5th Regional Coast Guard Headquarters, 3.Institute of Industrial Science, University of Tokyo)