15:45 〜 16:00
*Carlos Andres Asuncion Alas1,2、Osmany Rene Aparicio2、Kazuya Ishitsuka3、Atsushi Okamoto1、Noriyoshi Tsuchiya1,4 (1.Graduate School of Environmental Studies, Tohoku University, Sendai, Miyagi 980-0845, Japan、2.LaGeo S.A. de C.V., Santa Tecla, La Libertad, El Salvador、3.Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8540, Japan、4.Natural Institute of technology, Hachinohe College, Hachinohe, Aomori 039-1192, Japan)