*Sota TANAKA¹, Nozomu TAKEUCHI¹, Masaya MIYAIRI¹, Yuta FUJISAWA¹, Tsutomu KADOTA², Tatsuo SHIRAKAWA³, Ryo KUSAKA³, Shuhei TAKAHASHI³, Hiroyuki ENOMOTO⁴, Tetsuo OHATA², Hironori YABUKI², Keiko KONYA², Alexander Fedorov⁵, Pavel Konstantinov⁵ (1.Chiba University, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kitami Institute of Technology, 4.National Institute of Polar Research, 5.Melinikov Permafrost Institute)

*Kumiko GOTO-AZUMA¹, Kenji KAWAMURA¹, Shuji FUJITA¹, Hideaki MOTOYAMA¹, Ayako ABE-OUCHI², Ralf GREVE³, Dorthe DAHL-JENSEN⁴, Hiroyuki ENOMOTO¹ (1.National Institute of Polar Research, 2.University of Tokyo, 3.Hokkaido University, 4.University of Copenhagen)

*Nuerasimuguli ALIMASI¹, Hiroyuki ENOMOTO¹, Masahiro HORI², Konosuke SUGIURA³, Takao KAMEDA⁴ (1.National Institute of Polar Research, 2.Japan Aerospace Exploration Agency, 3.Toyama University, 4.Kitami Institute of Technology)

*Takashi YAMANOUCHI¹, Kumiko TAKATA², Hiroyuki ENOMOTO¹, Yoshiyuki FUJII¹ (1.National Institute of Polar Research, SD, 2.NIPR, NIES, JAMSTEC)

*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)

*Nuerasimuguli ALIMASI¹, Hiroyuki ENOMOTO¹, Masahiro HORI², Konosuke SUGIURA³, Takao KAMEDA⁴ (1.National Institute of Polar Research, 2.Japan Aerospace Exploration Agency, 3.Toyama University, 4.Kitami Institute of Technology)