*Muhammad Irham Sahana¹, Ryotaro Fuji^1,2, Tomoyuki Takahashi⁶, Hirofumi Hinata^1,3,4,5 (1.Graduate School of Science and Engineering, Faculty of Engineering, Ehime University, 2.Hydrologic Cycle and Marine Department, Kokusai Kogyo Co., Ltd., 3.Institute for the Promotion of Science and Technology, Center for Marine Environmental Studies, Ehime University, 4.Institute for Collaborative Relations, Center for Disaster Management Informatics Research, Ehime University, 5.South Ehime Fisheries Research Center, Ehime University, 6.Graduate School of Societal Safety Sciences, Faculty of Societal Safety Sciences, Kansai Univeristy)