Advanced dredge system in Japan for material science on oceanic bedrocks --New dredge system with acoustic transponder and/or deep sea TV camera—


Teruaki Ishii, Shizuoka University, Center for Integrated Research and Education of Natural Hazards, Shizuoka, Japan, Shiki Machida, Chiba Institute of Technology, Ocean Resources Research Center for Next Generation, Chiba, Japan and Izumi Sakamoto, Tokai University, Tokyo, Japan