9:30 AM - 9:40 AM
*Masataka Sawada1, Kazumoto Haba2, Kohei Fujita3, Tsuyoshi Ichimura3, Muneo Hori4 (1. Central Research Institute of Electric Power Industry, 2. Taisei Corporation, 3. The University of Tokyo, 4. Japan Agency for Marine-earth Science and Technology)