5:15 PM - 6:30 PM
*Yoshihiro Kakizaki1, Tsuyoshi Ishikawa2, Tatsuya Kawai3, Akihiro Hiruta1, Ryo Matsumoto1 (1.Gas Hydrate Research Laboratory, Organization for Strategic Coordination, Meiji University, 2.Kochi Institute for Core Sample Research, JAMSTEC, 3.Department of Marine & Earth Sciences, Marine Works Japan Ltd.)