*Karin Nemoto^1,2, Yusuke Yokoyama^1,2,3,4,5, Satoshi Horiike¹, Stephen Obrochta⁶, Yosuke Miyairi¹ (1.Atmosphere and Ocean Research Institute, University of Tokyo, 2.Department of Earth and Planetary Science, The University of Tokyo, 3.Graduate Program on Environmental Sciences, The University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology, 5.The Australian National University, 6.Graduate School of International Resource Science, Akita University)

Daisuke Kuwano¹, *Seiya Fujishima¹, Minoru Ikehara², Stephen Obrochta³, Makoto Otsubo⁴, Masataka Kinoshita⁵, KH-23-11 Shipboard Scientists (1.Kyoto University, 2.Marine Core Research Institute, Kochi University, 3.Akita University, 4.Geological Survey of Japan, Research Institute of Earthquake and Volcano Geology, 5.Earthquake Research Institute, University of Tokyo)

*Stephen Obrochta¹, Yoshiya Hatakeyama¹, Soichiro Oda¹, Yoshimi Kubota², Takuya Sagawa³, Takayanagi Hideko⁴, Yusuke Yokoyama⁵, Yosuke Miyairi⁵ (1.Akita University Graduate School of International Resource Science, 2.National Museum of Nature and Science, 3.Institute of Science and Engineering, Kanazawa University, 4.Tohoku University, 5.The University of Tokyo Atmosphere and Ocean Research Institute)

*Minoru Ikehara¹, Stephen Obrochta² (1.Marine Core Research Institute, Kochi University, 2.Faculty of International Resource Sciences, Akita University)