Seafloor Topographic Analysis in Staged Ocean Resource Exploration

Makoto Ikeda1, Masahiro Okawa1, Kota Osawa1, Kazuyuki Kadoshima1, Eiichi Asakawa2 and Tomonori Sumi3, (1)Mitsubishi Materials Techno Corporation, Tokyo, Japan, (2)JGI, Inc., Tokyo, Japan, (3)Nippon Steel & Sumikin Engineering Co.,LTD., Tokyo, Japan