*Miho Asada1,2, Masaru Nakano2 (1.Research Fellow of JSPS, 2.CEAT, JAMSTEC)
convener:Miho Asada(Japan Agency for Marine-Earth Science and Technology), Tomohiro Toki(Faculty of Science, University of the Ryukyus), Akira Ijiri(国立研究開発法人海洋研究開発機構, 共同), Takeshi Tsuji(Department of Earth Resources Engineering, Kyushu University)