*Jumpei Matsuda¹, Takahiro Ozeki¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Jumpei Matsuda¹, Mizuki Kawaguchi¹, Keito Kakizaki¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Yuki KIkuchi¹, Takahiro Ozeki¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Yuki KIkuchi¹, Akihiro Hachikubo¹, Oleg Khlystov², Gennadiy Kalmychkov³, Marc De Batist⁴, Young K. Jin⁵, Anatoly Obzhirov⁶, Hirotoshi Sakagami¹, Hirotsugu Minami¹, Satoshi Yamashita¹ (1.Kitami Institute of Technology, 2.Limnological Institute, SB RAS, 3.Vinogradov Institute of Geochemistry, SB RAS, 4.Ghent University, 5.Korea Polar Research Institute, 6.Pacific Oceanological Institute, FEB RAS)

*Keito Kakizaki¹, Daisuke Yahagi¹, Honoka Okuyama¹, Yuusaku Yoshino¹, Akihiro Hachikubo¹, Satoshi Takeya² (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Takahiro Ozeki¹, Akihiro Hachikubo¹, Hirotoshi Sakagami¹, Hirotsugu Minami¹, Satoshi Yamashita¹, Kenji Nishina² (1.Kitami Institute of Technology, 2.Geological Survey of Hokkaido, Hokkaido Research Organization)

*Go Fuseya¹, Satoshi Takeya², Akihiro Hachikubo¹ (1.Kitami Institute of Technology, 2.National Institute of Advanced Industrial Science and Technology (AIST))

*Akihiro Hachikubo¹, Keito Kakizaki¹, Hayato Okuda¹, Oleg Khlystov², Gennadiy Kalmychkov³, Andrej Manakov⁴, Marc De Batist⁵, Hirotoshi Sakagami¹, Hirotsugu Minami¹, Satoshi Yamashita¹ (1.Kitami Institute of Technology, 2.Limnological Institute, SB RAS, 3.Vinogradov Institute of Geochemistry, SB RAS, 4.Nikolaev Institute of Inorganic Chemistry, SB RAS, 5.Ghent University)

*NIWA TATSUYA¹, Satoshi Yamashita¹, Akihiro Hachikubo¹, Masaaki Konishi¹, Hirotoshi Sakagami¹, Kenji Nishina², Hirotsugu Minami¹ (1.Kitami Institute of Technology, 2.Geological Survey of Hokkaido, Hokkaido Research Organization)

*Kazui Sukawa¹, Akihiro Hachikubo¹, Hirotoshi Sakagami¹, Hirotsugu Minami¹, Satoshi Yamashita¹, Nobuo Takahashi¹, Hitoshi Shoji¹, Young K Jin², Boris Baranov³, Anatoly Obzhirov⁴, Masaaki Konishi¹ (1. Kitami Institute of Technology, 2.Korea Polar Research Institute, Korea, 3.P. P. Shirshov Institute of Oceanology, RAS, Russia, 4. V. I. Il’ichev Pacific Oceanological Institute FEB RAS, Russia)

*Mamata Tsuyoshi¹, Hitoshi Tomaru¹, Ryo Matsumoto² (1.Graduate School of Science/Faculty of Science, Department of Earth Sciences, Chiba University, 2.Gas Hydrate Laboratory, Meiji University)

*Takeshi Oi¹, Ryo Matsumoto¹ (1.Organization for the Strategic Coordination of Research and Intellectual Properties, Meiji University)

*Takaya Shimono¹, Ryo Matsumoto¹ (1.Gas Hydrate Research laboratory, Meiji University)

*Aya Iguchi¹, Hitoshi Tomaru¹, Tatsuya Motegi², Naoto Ishida², Ryo Matsumoto³ (1.Graduate School of Science and Engineering, Chiba University, 2.Graduate School of Engineering,Tottori University, 3.Gas Hydrate Research Laboratory Meiji University)

*Wataru Tanikawa¹, Takehiro Hirose¹, Yohei Hamada¹, Lallan Prasad Gupta¹, Yuka Masaki², Weiren Lin³, Naokazu Ahagon¹, Natsue Abe², HungYu Wu², Takamitsu Sugihara², Shun Nomura², Masataka Kinoshita⁴, Yasuhiro Yamada², JAMSTEC Science Team NGHP Expedition 02 ² (1.Japan Agency for Marine-Earth Science and Technology, Kochi Instutute for Core Sample Research, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kyoto University, 4.Tokyo University)

*Takehiro Hirose¹, Wataru Tanikawa¹, Yohei Hamada¹, Weiren Lin³, Kentaro Hatakeda⁵, Osamu Tadai⁵, HungYu Wu², Shun Nomura², Natsue Abe², Lallan Prasad Gupta¹, Takamitsu Sugihara², Yuka Masaki², Masataka Kinoshita⁴, Yasuhiro Yamada², NGHP Expedition 02 JAMSTEC Science Team (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.JAMSTEC, 3.Kyoto Univ., 4.Univ. Tokyo, 5.MWJ)

*Yohei Hamada¹, Takehiro Hirose¹, Saneatsu Saito¹, KYAW MOE¹, HungYu Wu¹, Wataru Tanikawa¹, Yoshinori Sanada¹, Yasuyuki Nakamura¹, Yuichi Shimmoto¹, Takamitsu Sugihara¹, Weiren Lin², Natsue Abe¹, Lallan Prasad Gupta¹, Masataka Kinoshita³, Yuka Masaki¹, Shun Nomura¹, Yasuhiro Yamada¹, JAMSTEC Science Team NGHP Expedition 02 (1.Japan Agency for Marine-Earth Science and Technology, 2.Kyoto University, 3.Earthquake Research Institute, The University of Tokyo)

*Koji Yamamoto¹, Tetsuya Fujii¹ (1.Japan Oil, Gas, and Metals National Corporation)