*Andros Daniel Cruz Salmeron¹, Hideko Takayanagi¹, Shigeyuki Wakaki², Hitomi Uchimura Wakaki³, Takuya Itaki⁴, Tsuyoshi Ishikawa², Yasufumi Iryu¹ (1.Tohoku University, 2.JAMSTEC, 3.Kochi University , 4.AIST)

*Akira Ijiri¹, Naotaka Tomioka², Shigeyuki Wakaki², Harue Masuda³, Katsumi Shozugawa⁴, Sunghan Kim⁶, Boo-Keun Khim⁵, Masafumi MURAYAMA⁷, Motoyuki Matsuo⁴, Fumio Inagaki² (1.Kobe University, 2.JAMSTEC, 3.Osaka City University, 4.The University of Tokyo, 5.Pusan National University, 6.Korea Polar Research Institute, 7.Kochi University)

*Adam David Sproson¹, Toshihiro Yoshimura¹, Takahiro AZE², Shigeyuki Wakaki³, Tsuyoshi Ishikawa³, Yusuke Yokoyama^1,2, Naohiko Ohkouchi¹ (1.Biogeochemistry Research Center, Japan Agency for Marine-Earth Science and Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

*Man-Yin Tsang¹, Shin Toyoda², Jun-ichiro Ishibashi³, Stephen Bowden^3,4, Akira Ijiri¹, Shigeyuki Wakaki⁵, Satoshi Tonai⁶, Yuki Morono⁵, Yuzuru Yamamoto¹ (1.Kobe University, 2.Okayama University of Science, 3.Kobe Ocean-Bottom Exploration Center, 4.University of Aberdeen, 5.Japan Agency for Marine-Earth Science and Technology, 6.Kochi University)

*Shigeyuki Wakaki¹, Jo Aoki², Ryoya Shimode², Katsuhiko Suzuki³, Takashi Miyazaki⁴, Jenny Roberts ⁵, Hauke Vollstaedt ⁵, Satoshi Sasaki⁶, Yoshitaka Takagai^2,7 (1.Kochi Institute for Core Sample Research, JAMSTEC, 2.Faculty of Symbiotic Systems Science, Fukushima University, 3.Submarine Resources Research Center, JAMSTEC, 4.Volcanoes and Earth’s Interior Research Center, JAMSTEC, 5.Thermo Fisher Scientific Bremen GmbH, 6.Thermo Fisher Scientific K.K, 7.Institute of Environmental Radioactivity, Fukushima University)