*Yuki Hibiya1, Tsuyoshi Iizuka1, Katsuyuki Yamashita2, Shigekazu Yoneda3, Akane Yamakawa4 (1.Graduate School of Science, The University of Tokyo, 2.Graduate School of Natural and Technology, Okayama University, 3.Department of Science and Engineering, National Museum of Nature and Science, 4.Center for Environmental Measurement and Analysis, National Institute for Environmental Studies)
convener:Gen Shimoda(Geological Survey of Japan, AIST), Katsuhiko Suzuki(Research and Development Center for Submarine Resources, Japan Agency for Marine-Earth Science and Technology), Katsuyuki Yamashita(Graduate School of Natural Science and Technology, Okayama University), Akira Ishikawa(Department of Earth Science and Astronomy, The University of Tokyo)