*Asuka Yamaguchi¹, Kenichiro Tani², Minoru Ikehara³ (1.Atomosphere and Ocean Research Institute, The University of Tokyo, 2.National Museum of Nature and Science, 3.Center for Advanced Marine Core Research, Kochi University)

*Kento Motomura¹, Shoichi Kiyokawa¹, Minoru Ikehara², Takashi Sano⁴, Kentaro Tanaka³, Tsubasa Miki³, Yuji Sano³ (1.Kyushu University, 2.Kochi University, 3.University of Tokyo, 4.National Museum of Nature and Science)

*Hiroki Matsui¹, Yuji Kato^1,2, Itsuki Suto³, Minoru Ikehara¹ (1.Center for Advanced Marine Core Research, Kochi University, 2.JSPS PD, 3.Graduate School of Environmental Studies, Nagoya University)

*Minoru Ikehara¹, Kay I. Ohshima², Takuya Itaki³, Hiroshi Sato⁴, Masakazu Fujii⁵, Michiyo Yamamoto-Kawai⁶, Hiroki Matsui¹, Takahito Ikenoue⁷, . Scientific Party of R/V Hakuho-maru KH-19-1 cruise (1.Center for Advanced Marine Core Research, Kochi University, 2.ILTS, Hokkaido University, 3.GSJ, AIST, 4.Senshu University, 5.National Institute of Polar Research, 6.Tokyo University of Marine Science and Technology, 7.Marine Ecology Research Institute)

*Masakazu Fujii¹, Hiroshi Sato², Minoru Ikehara³, Yoshifumi Nogi¹, Taichi Sato⁴, Yasuyuki Nakamura⁵, Eri Helen Amsler⁶, Sam Sherriff-Tadano⁷ (1.National Institute of Polar Research and SOKENDAI, 2.Senshu University, 3.Kochi University, 4.AIST, 5.JAMSTEC, 6.University of Bern, 7.AORI, UTokyo)

*Mutsumi Iizuka¹, Osamu Seki¹, Takuya Itaki², Tomohisa Irino¹, Minoru Ikehara⁴, Saiko Sugisaki², Masanobu Yamamoto¹, Keiji Horikawa⁵, Yuusuke Suganuma³ (1.Hokkaido university, 2.Geological Survey of Japan, 3.National Institute of Polar Research , 4.Center for Advanced Marine Core Research, Kochi University, 5.University of Toyama)

*Eri Helen Amsler¹, Walter Geibert², Gerhard Kuhn², Minoru Ikehara³, Samuel Jaccard¹ (1.Institute of Geological Sciences and Oeschger Centre for Climate Change Research, University of Bern, Switzerland, 2.Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany, 3.Center for Advanced Marine Core Research, Kochi University, Kochi, Japan)

*Hiroshi Sato¹, Masakazu Fujii^2,3, Hiroki Matsui⁴, Minoru Ikehara⁴ (1.School of Business Administration, Senshu University, 2.NIPR, 3.SOKENDAI, 4.Center for Advanced Marine Core Research, Kochi University)

*Mutsumi Iizuka¹, Osamu Seki¹, Takuya Itaki², Tomohisa Irino¹, Minoru Ikehara⁴, Saiko Sugisaki², Masanobu Yamamoto¹, Keiji Horikawa⁵, Yuusuke Suganuma³ (1.Hokkaido university, 2.Geological Survey of Japan, 3.National Institute of Polar Research , 4.Center for Advanced Marine Core Research, Kochi University, 5.University of Toyama)

*Eri Helen Amsler¹, Walter Geibert², Gerhard Kuhn², Minoru Ikehara³, Samuel Jaccard¹ (1.Institute of Geological Sciences and Oeschger Centre for Climate Change Research, University of Bern, Switzerland, 2.Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany, 3.Center for Advanced Marine Core Research, Kochi University, Kochi, Japan)

*Hiroshi Sato¹, Masakazu Fujii^2,3, Hiroki Matsui⁴, Minoru Ikehara⁴ (1.School of Business Administration, Senshu University, 2.NIPR, 3.SOKENDAI, 4.Center for Advanced Marine Core Research, Kochi University)

*Ai Genda¹, Atsushi Suzuki², Toyoho Ishimura³, Minoru Ikehara⁴, Mayuri Inoue¹ (1.Graduate School of National Science and Technology, Okayama University, 2.Geological Survey of Japan Natinal Institute of Advanced Industrial Science and Technology, 3.National Institute of Technology, Ibaraki College, 4.Center for Advanced Marine Core Research, Kochi University)

Mutsumi Chihara¹, Ayaka Fukushima², Minoru Ikehara³, Hodaka Kawahata², Atsushi Suzuki⁴, *Mayuri Inoue¹ (1.Department of Earth Sciences, Okayama University, 2.Atmosphere and Ocean Research Institute, the University of Tokyo, 3.Center for Advanced Marine Core Research, Kochi University, 4.Geological Survey of Japan, AIST)

*Hitomi Uchimura Wakaki¹, Akira Ijiri², Minoru Ikehara¹, Sangmin Hyun³ (1.Center for Advanced Marine Core Research, Kochi University, 2.Japan Agency for Marine-Earth Science and Technology, 3.Korea Institute of Ocean Science & Technology)

*Hitomi Uchimura Wakaki¹, Akira Ijiri², Minoru Ikehara¹, Sangmin Hyun³ (1.Center for Advanced Marine Core Research, Kochi University, 2.Japan Agency for Marine-Earth Science and Technology, 3.Korea Institute of Ocean Science & Technology)

*Minoru Ikehara¹, Takuya Itaki², Masakazu Fujii³ (1.Center for Advanced Marine Core Research, Kochi University, 2.GSJ, AIST, 3.National Institute of Polar Research)

*Minoru Ikehara¹, Takuya Itaki², Masakazu Fujii³ (1.Center for Advanced Marine Core Research, Kochi University, 2.GSJ, AIST, 3.National Institute of Polar Research)