*Yusuke Kuwahara1, Kazutaka Yasukawa3,1, Junichiro Ohta3,2, Moei Yano2,3, Kazuhide Mimura2, Erika Tanaka4, Koichiro Fujinaga2,3, Kentaro Nakamura1,2, Yasuhiro Kato3,1
(1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, 4.Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology)