9:15 AM - 9:30 AM
*Toru Tamura1, Yoshiki Saito2,1, Marcello Gugliotta2, Van Lap Nguyen3, Thi Kim Oanh Ta3 (1.Institute of Geology and Geoinformation Geological Survey of Japan, AIST, 2.Estuary Research Center, Shimane University, 3.Ho Chi Min City Resource Geography Institute, Vietnam Academy of Science and Technology)