*Hiroyuki ENOMOTO¹, Takeshi TAMURA¹, Masahiro HORI², Naohiko HIRASAWA¹, Takashi YAMANOUCHI¹, Hironori YABUKI³ (1.National Institute of Polar Research, 2.Japan Aerospace Exploration Agency, 3.Japan Agency of Marine-Earth Science and Technology)

*Yoshifumi NOGI¹, Kay I. OHSHIMA², Minoru IKEHARA³, Masato MOTEKI⁴, Kenji KAWAMURA¹, Yoichi FUKUDA⁵, Ayako ABE-OUCHI⁶, Takeshi TAMURA¹, Yusuke SUGANUMA¹ (1.National Institute of Polar Research, 2.Institute of Low Temperature Science, Hokkaido University, 3.Center for Advanced Marine Core Research, Kochi University, 4.Tokyo University of Marine Science and Technology, 5.Department of Geophysics, Graduate School of Science, Kyoto University, 6.Atmosphere and Ocean Research Institute, The University of Tokyo)

*Kay I. OHSHIMA¹, Sohey NIHASHI², Katsushi IWAMOTO³, Takeshi TAMURA⁴ (1.Institute of Low Temperature Science, Hokkaido University, 2.Tomakomai National College of Technology, 3.Niigata University, 4.National Institute of Polar Research)

*Takeshi TAMURA¹, Keiichiro OHSHIMA², Alex FRASER², Guy WILLIAMS³ (1.National Institute of Polar Research, 2.Institute of Low Temperature Science, 3.ACE CRC)

*Daiki NOMURA¹, Gen HASHIDA², Takeshi TAMURA², Kay. I. OHSHIMA¹ (1.Institute of Low Temperature Science, Hokkaido University, 2.National Institute of Polar Research)

*Takeshi TERUI¹, Takeshi SUGIMURA¹, Takeshi TAMURA¹, Daisuke SIMIZU¹, Keishi SHIMADA², Hironori YABUKI³ (1.National Institute of Polar Research, 2.Tokyo University of Marine Science and Technology, 3.Japan Agency for Marine-Earth Science and Technology)