*Yusuke Hatakeyama¹, Yusuke Kuwahara^1,2, Kazutaka Yasukawa¹, Moei Yano^2,1, Kazuhide Mimura^2,1, Junichiro Ohta^1,2, Erika Tanaka^3,2, Kentaro Nakamura^1,2, Kato Yasuhiro^1,2 (1.School of Engineering, University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Marine Core Research Institute, Kochi University)

*YUE SUN¹, Jin-Oh Park¹, Gou Fujie², Tetsuro Tsuru³, Kazutaka Yasukawa⁴, Erika Tanaka⁵, Mari Hamahashi⁶, Syed Idros⁷, Hironori Otsuka⁸, Katsura Kameo¹, Masanari Ashida¹, Ryoji Toda¹, YU FAN¹, Yuqi Lyu¹, Noboru Yamakawa¹, Konosuke TERUI¹, Qichao Wen¹, YIGE YANG¹, YANG ZHAO¹, Ayana Tochikawa³, Hayato MATSUSHITA³, Ichika Matsunaga³, Yoshiki Horiuchi⁹, Masayuki Toizumi⁹, Yufu Suzuki¹⁰ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.JAMSTEC (Japan Agency for Marine-Earth Science and Technology), 3.Tokyo University of Marine Science and Technology, 4.Frontier Research Center for Energy and Resources (FRCER), The University of Tokyo, 5.Kochi University, 6.Yamaguchi University, 7.Kyushu University, 8.Kobe University, 9.Nippon Marine Enterprises, Ltd., 10.MOLMEC)

*Erika Tanaka¹, Kazutaka Yasukawa², Ann Dunlea³, Ingrid Hendy⁴, Takashi Miyazaki⁵, Bogdan Stefanov Vaglarov⁵ (1.Kochi University, 2.The University of Tokyo, 3.Woods Hole Oceanographic Institution, 4.University of Michigan, 5.Japan Agency for Marine-Earth Science and Technology)

*Xunhui XU¹, Rachel FLECKER², Emmanuelle DUCASSOU³, Trevor WILLIAMS⁴, Fadl RAAD⁵, Jonathan STINE⁶, Manuel TEIXEIRA⁷, Shaoru YIN⁸, Sarah FEAKINS⁹, Clara BLÄTTLER¹⁰, Kosuke EGAWA¹¹, Erika TANAKA¹², Weiren LIN¹, the IODP Expedition 401 Scientists (1.Kyoto University, 2.University of Bristol, 3.University of Bordeaux, 4.Texas A&M University, 5.Università di Corsica Pasquale Paoli, 6.University of Minnesota-Twin Cities, 7.University of Lisbon, 8.Second Institute of Oceanography, Ministry of Natural Resources, 9.University of Southern California, 10.University of Chicago, 11.Kyushu University, 12.Kochi University)