3:45 PM - 4:00 PM
*Kotaro Hirose1, Akira Tsujimoto2, Koji Seto3, Toshiaki Irizuki4 (1.Institute of Natural and Environmental Sciences, University of Hyogo, 2.Faculty of Education, Shimane University, 3.Estuary Research Center, Shimane University, 4.Department of Geoscience, Shimane University)