*Iizuka Yoshinori¹, Sumito Matoba¹, Ryoto Furukawa¹, Takuto Ando¹, Takeshi Saito¹, Fahmida Parvin¹, Tomomi Amino¹, Mai Shibata¹, Moe Kadota¹, Osamu Seki¹, Shin Sugiyama¹, Ryu Uemura², Koji Fujita³, Asuka Tsuruta⁴, Shohei Hattori⁴, Shuji Fujita⁵, Hideaki Motoyama⁵, Naoko Nagatsuka⁵, Ikumi Oyabu⁵, Satoru Yamaguchi⁶, Satoshi Adachi⁶, Hiroshi Ohno⁷, Akira Hori⁷, Chihiro Miyamoto⁸, Yoshio Takahashi⁸, Chiaki Sasaki⁹, Toshitaka Suzuki⁹, Angel T. Bautista VII^10,11, Hiroyuki Matsuzaki¹⁰, Kazuho Horiuchi¹², Atsushi Miyamoto¹³, Kei Yoshimura¹⁴, Jesper Sjolte¹⁵, Masashi Niwano¹⁶, Naga Oshima¹⁶, Akihiro Hashimoto¹⁶, Tetsuhide Yamasaki¹⁷, Teruo Aoki¹⁸ (1.Institite of Low Temperature Science, Hokkaido University, 2.Department of Chemistry, Biology, and Marine Science, Faculty of Science, University of the Ryukyus, 3.Graduate School of Environmental Studies, Nagoya University, 4.Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 5.National Institute of Polar Research, 6.The National Research Institute for Earth Science and Disaster Prevention, 7.Department of Civil and Environmental Engineering, Kitami Institute of Technology, Hokkaido, Japan, 8.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 9.Faculty of Science, Yamagata University, 10.Department of Nuclear Engineering and Management, The University of Tokyo, 11.Philippine Nuclear Research Institute - Department of Science and Technology (PNRI-DOST), 12.Graduate School of Science and Technology, Hirosaki University, 13.Institute for the Advancement of Higher Education, Hokkaido University, 14.Institute of Industrial Science, The University of Tokyo, 15.Department of Geology, Quaternary Science, Lund University, 16.Meteorological Research Institute, Japan Meteorological Agency, 17.Avangnaq, 18.Graduate School of Natural Science and Technology, Okayama University)

*Fahmida Parvin¹, Osamu Seki², Yoshinori Iizuka², Sumito Matoba², Kimitaka Kawamura³, Kaori Ono², Takayuki Shiraiwa² (1.Graduate School of Environmental Earth Science, Hokkaido University, Kita 10-jo Nishi 5-chome, Kita-ku, Sapporo, 060-0819, Japan, 2.Institute of Low Temperature Science, Hokkaido University, Kita 19-jo Nishi 8-chome, Kita-ku, Sapporo, 060-0810, Japan, 3.Chubu Institute for Advanced Studies, Chubu University, Kasugai 487-8501, Japan)

Kenta Suzuki², *Masanobu Yamamoto^1,2, Osamu Seki^2,3 (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Graduate School of Environmental Sceince, Hokkaido University, 3.Institute of Low Temperature Science, Hokkaido University)

*Hiromichi Sakurai¹, Masanobu Yamamoto¹, Osamu Seki², Takayuki Omori³, Tomonori Sato¹ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Low Temperature Research Institute, Hokkaido University, 3.The University Museum, The University of Tokyo, Japan)

*Masakazu Fujii^1,2, Arata Kioka³, Toshitsugu Yamazaki⁴, Kyoko Okino⁴, Chiori Tamura⁴, Osamu Seki⁵, Yoshifumi Nogi^1,2, Jun'ichi Okuno^1,2, Takeshige Ishiwa¹, Ikumi Oyabu¹ (1.National Institute of Polar Research / SOKENDAI, 2.The Graduate University for Advanced Studies (SOKENDAI), 3.Leopold-Franzens-Universität Innsbruck, 4.Atmosphere and Ocean Research Institute, The University of Tokyo, 5.Institute of Low Temperature Science, Hokkaido University)

*Kenji Kawamura^1,2,3, Ryu Uemura⁴, Hideaki Motoyama^1,2, Iizuka Yoshinori⁵, Kazuho Horiuchi⁶, Shuji Aoki⁷, Kumiko Goto-Azuma^1,2, Shuji Fujita^1,2, Osamu Seki⁵, Motohiro Hirabayashi¹, Fumio Nakazawa^1,2, Ikumi Oyabu¹, Hiroshi Ohno⁸, Shun Tsutaki⁹, Ayako Abe-Ouchi⁹ (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.SOKENDAI, 3.Japan Agency for Marine-Earth Science and Technoloty, 4.University of the Ryukyus, 5.Hokkaido University, 6.Hirosaki University, 7.Tohoku University, 8.Kitami Institute of Technology, 9.University of Tokyo)

*Kenji Kawamura^1,2,3, Ryu Uemura⁴, Hideaki Motoyama^1,2, Iizuka Yoshinori⁵, Kazuho Horiuchi⁶, Shuji Aoki⁷, Kumiko Goto-Azuma^1,2, Shuji Fujita^1,2, Osamu Seki⁵, Motohiro Hirabayashi¹, Fumio Nakazawa^1,2, Ikumi Oyabu¹, Hiroshi Ohno⁸, Shun Tsutaki⁹, Ayako Abe-Ouchi⁹ (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.SOKENDAI, 3.Japan Agency for Marine-Earth Science and Technoloty, 4.University of the Ryukyus, 5.Hokkaido University, 6.Hirosaki University, 7.Tohoku University, 8.Kitami Institute of Technology, 9.University of Tokyo)

*Saiko Sugisaki¹, Osamu Seki², Saki Ishino³, Rob Mckay⁴, Laura De Santis⁵, Denise K Kulhanek⁶, IODP Exp374 Scienticic Party (1.Geological Survey of Japan, AIST, 2.Hokkaido University, 3.Nagoya University, 4.Victoria University, 5.Instituto Nazionale di Oceanografia e edi Geofisica Sperimentale, 6.Texas A&M University)

*Ryota Kakishita¹, Yusuke Okazaki¹, Osamu Seki² (1.Kyushu University, 2.Hokkaido University)

*Keiji Horikawa¹, Takehiro Motou², Masafumi MURAYAMA³, Osamu Seki⁴ (1.Graduate School of Engineer and Science, University of Toyama, 2.Faculty of Science, University of Toyama, 3.Kochi University, 4.Institute of Low Temperature Science, Hokkaido University)

*Yusuke Okazaki¹, Naomi Harada², Osamu Seki³ (1.Kyushu Univ., 2.JAMSTEC, 3.Hokkaido Univ.)

*Ryota Kakishita¹, Yusuke Okazaki¹, Osamu Seki² (1.Kyushu University, 2.Hokkaido University)

*Keiji Horikawa¹, Takehiro Motou², Masafumi MURAYAMA³, Osamu Seki⁴ (1.Graduate School of Engineer and Science, University of Toyama, 2.Faculty of Science, University of Toyama, 3.Kochi University, 4.Institute of Low Temperature Science, Hokkaido University)

*Yusuke Okazaki¹, Naomi Harada², Osamu Seki³ (1.Kyushu Univ., 2.JAMSTEC, 3.Hokkaido Univ.)

*Tomohisa Irino¹, Keisuke Hirai¹, Osamu Seki¹, James Hooper², Samuel Marx² (1.Hokkaido University, 2.University of Wollongong)

*Osamu Seki¹, Naomi Harada², Igarashi Yaeko³ (1.Institute of Low Temperature Science, Hokkaido University, 2.JAMSTEC, 3.Institute for Paleoenvironment of Northern Regions)