*Hiroto Kajita^1,2,3,4,5, Yuta Isaji², Rintaro Kato³, Yoko Nishikura⁴, Masafumi Murayama⁶, Naohiko Ohkouchi², Shouye Yang⁷, Hongbo Zheng⁸, Ke Wang^8,3, Toshimichi Nakanishi⁹, Takenori Sasaki³, Ayumi Maeda^3,4,5, Atsushi Suzuki⁵, Hodaka Kawahata^3,4,5 (1.National Institute for Polar Research, 2.Biogeochemistry Research Center, Japan Agency for Marine-Earth Science and Technology, 3.Department of Earth and Planetary Science, Graduate School of Science, the University of Tokyo, 4.Atmosphere and Ocean Research Institute, the University of Tokyo, 5.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 6.Center for Advanced Marine Core Research, Kochi University, 7.State Key Laboratory of Marine Geology, Tongji University, 8.Research Center for Earth System Science, Yunnan University, 9.Museum of Natural and Environmental History)

*KAWAKUBO YUTA¹, Yusuke Yokoyama^1,2,3,4,5, Shoko Hirabayashi¹, Atsushi Suzuki⁶, Yosuke Miyairi¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 3.Graduate Program on Environmental Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 4.Biogeochemistry Program, Japan Agency for Marine-Earth Science and Technology, 5.Research School of Physics, The Australian National University, 6.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST))

*Naoki Saito¹, Masayuki Nagao¹, Kazutoshi Horiuchi², Junpei Minatoya³, Atsushi Suzuki¹ (1.National Institute of Advanced Industrial Science and Technology, 2.Forecast Ocean Plus, Inc., 3.Japan Oil, Gas and Metals National Corporation)

*Akira Iguchi^1,7, Atsushi Suzuki^1,7, Mariko Iijima¹, Jun Yasumoto², Takashi Nakamura³, Kazuhiko Sakai⁴, Ko Yasumoto⁵, Nanami Mizusawa⁵, Naoki H. Kumagai⁶ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Faculty of Agriculture, University of the Ryukyus,, 3.Faculty of Science, University of the Ryukyus, 4.Tropical Biosphere Research Center, University of the Ryukyus, 5.School of Marine Biosciences, Kitasato University, 6.Center for Climate Change Adaptation, National Institute for Environmental Studies, 7.Research Laboratory on Environmentally-conscious Developments and Technologies [E-code])

*Mariko Iijima¹, Jun Yasumoto², Takada Ryogo⁴, Akira Iguchi¹, Atsushi Suzuki¹, Mitsuru Jimbo³, Shugo Watabe³, Ko Yasumoto³ (1.National Institute of Advanced Industrial Science and Technology, 2.Faculty of Science, University of the Ryukyus, 3.School of Marine Biosciences, Kitasato University, 4.Center for Strategic Research Projects, University of the Ryukyus)

*Shunichi Kinoshita¹, Azumi Kuroyanagi², Hiroshi Nishi³, Kazuhiko Fujita⁴, Atsushi Suzuki⁵, Hodaka Kawahata⁶ (1.Department of Geology and Paleontology, National Museum of Nature and Science, 2.Tohoku University Museum, The Center for Academic Resources and Archives, Tohoku University, 3.Fukui Prefectural University, 4.Department of Physics and Earth Sciences, University of the Ryukyus, 5.Geological Survey of Japan National Institute of Advanced Industrial Science and Technology (AIST), 6.Atmosphere Ocean Research Institute, the University of Tokyo)

*Ayumi Maeda¹, Miyuki Nishijima¹, Akira Iguchi¹, Atsushi Suzuki¹, Jumpei Minatoya² (1.Geological Survey of Japan, 2.Japan Oil, Gas and Metals National Corporation All Rights)

*Azumi Kuroyanagi¹, Atsushi Suzuki², Kyoko Yamaoka², Yuri Hashimoto³, Takeshi Fujii⁴, Shunsuke Kondo⁴, Jumpei Minatoya⁵ (1.Tohoku University Museum, The Center for Academic Resources and Archives, Tohoku University, 2.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 3.Tohoku University, 4.KANSO, 5.Japan Oil, Gas and Metals National Corporation (JOGMEC))

*Koji Seike^1,2, Yuki Ota³, Eri Ikeuchi¹, Masahiro Suzumura³, Hideyoshi Yoshioka¹, Atsushi Suzuki¹ (1.Geological Survey of Japan, AIST, 2.Department of Natural Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, 3.nvironmental Management Research Institute, National Institute of Advanced Industrial Science and Technology (AIST))

*Yuki Ota¹, Ryo Mukai², Tomo Aoyagi¹, Tomoyuki Hori¹, Akira Iguchi¹, Miyuki Nishijima¹, Atsushi Suzuki¹, Masahiro Suzumura¹ (1.National Institute of Advanced Industrial Science and Technology, 2.Marine Biological Research Institute of Japan Co., Ltd.)

*Koji Seike^1,2, Atsushi Suzuki¹, Yuki Ota³, Jumpei Minatoya⁴ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.Department of Natural Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, 3.Environmental Management Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 4.Japan Oil, Gas and Metals National Corporation (JOGMEC))

*Akira Iguchi^1,2, Miyuki Nishijima¹, Eri Ikeuchi^1,2, Taiga Kunishima³, Hiroyuki Yokooka⁴, Hideki Sugishima^5,6, Kazumasa Ikeda⁵, Ryuichi Miwa⁶, Yoshiro Sekido⁷, Nozomu Iwasaki⁸, Masahiro Suzumura⁹, Ayumi Tsukasaki⁹, Yuichiro Tanaka¹, Shogo Kato⁴, Jumpei Minatoya¹⁰, Nobuyuki Okamoto¹⁰, Travis Washburn¹, Atsushi Suzuki^1,2 (1.Geological Survery of Japan, National Institute of Advanced Industrial Science and Technology, 2.Research Laboratory on Environmentally-conscious Developments and Technologies [E-code], AIST, 3.Wakayama Prefectural Museum of Natural History, 4.IDEA Consultants, Inc., 5.Okamoto Glass Co., Ltd., 6.Kaiyo Engineering Co., Ltd., 7.Marine Biological Research Institute of Japan Co., Ltd., 8.Faculty of Geo-Environmental Science, Rissho University, 9.Environmental Management Research Institute, AIST, 10.Japan Oil, Gas and Metals National Corporation)

*Hiroki Kise¹, AKIRA IGUCHI^1,2, TAKUJI IKEGAMI³, YOSUKE ONISHI³, KOICHI GOTO³, YUICHIRO TANAKA¹, TRAVIS W. WASHBURN¹, MIYUKI NISHIJIMA¹, TAIGA KUNISHIMA^1,4, SHOGO KATO⁵, TAKAAKI MATSUI⁶, NOBUYUKI OKAMOTO⁷, ATSUSHI SUZUKI^1,2 (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2.Research Laboratory on Environmentally-conscious Developments and Technologies [E-code], National Institute of Advanced Industrial Science and Technology (AIST), 3.KANSO CO., LTD, 4.Wakayama Prefectural Museum of Natural History, 5.IDEA Consultants, Inc., 6.Marine Biological Research Institute of Japan CO., LTD, 7.Japan Oil, Gas and Metals National Corporation (JOGMEC))

*Travis William Washburn¹, Akira Iguchi¹, Kyoko Yamaoka¹, Yosuke Onishi², Nobuyuki Okamoto^3,4, Atsushi Suzuki¹ (1.National Institute of Advanced Industrial Science and Technology, 2.KANSO Co., LTD, 3.Japan Oil, Gas and Metals National Corporation, 4.Kobe University)