*Yoshifumi Nogi¹, Ayako Abe-Ouchi², Naomi Harada³, Shin Sugiyama⁴, Masaki Tsutsumi¹, Kenji Kawamura¹, Takeshi Tamura¹, Jun'ichi Okuno¹ (1.National Institute of Polar Research, 2.Atmosphere and Ocean Research Institute, the University of Tokyo , 3.Japan Agency for Marine-Earth Science and Technology, 4.Institute of Low Temperature Science, Hokkaido University)

Akito Araya², Daisuke Oka³, Yoichi Fukuda¹, Yuichi Aoyama¹, Akihisa Hattori⁴, Jun Nishijima⁵, Jun'ichi Okuno¹, *Koichiro Doi¹ (1.National Institute of Polar Research, 2.Earthquake Research Institute, University of Tokyo, 3.Hokkaido Research Organization, 4.The Graduate University for Advanced Studies, SOKENDAI, 5.Faculty of Engineering, Kyushu University)

*Takeshige Ishiwa¹, Jun'ichi Okuno^2,1, Yusuke Suganuma^1,2 (1.National Institute of Polar Research, 2.The Graduate University for Advanced Studies (SOKENDAI))

*Jun'ichi Okuno^1,2 (1.National Institute of Polar Research, 2.SOKENDAI)

*Yusuke Suganuma^1,2, Heitaro Kaneda³, Martim Mas e Braga^7,9, Takeshige Ishiwa¹, Takushi Koyama⁴, Jennifer C Newall^7,9,10, Jun'ichi Okuno^1,2, Takashi Obase⁸, Fuyuki SAITO¹¹, Irina Rogozhina¹², Jane Lund Andersen^7,9,13, Moto Kawamata^5,1, Motohiro Hirabayashi¹, Nathaniel A Lifton^10,14, Ola Fredin^12,6, Jonathan M Harbor^9,10,7, Arjen P Stroeven^7,9, Ayako Abe-Ouchi^8,1 (1.National institute of Polar Research, 2.The Graduate University for Advanced Studies (SOKENDAI), 3.Chuo University, 4.Oita University, 5.Civil Engineering Research Institute for Cold Region, 6.Geological Survey of Norway, 7.Geomorphology and Glaciology, Department of Physical Geography, Stockholm University, 8.Atmosphere Ocean Research Institute, Univ. of Tokyo, 9.Bolin Centre for Climate Research, Stockholm University, 10.Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, 11.Japan Agency for Marine-Earth Science and Technology, 12.Department of Geography, Norwegian University of Science and Technology, 13.Department of Geosciences, Aarhus University, 14.Department of Physics and Astronomy, Purdue University)

*Yoichi Fukuda¹, Jun Nishijima², Takahito Kazama³, Kazuki Nakamura⁴, Koichiro Doi¹, Yusuke Suganuma¹, Jun'ichi Okuno¹, Akito Araya⁵, Heitaro Kaneda⁶, Yuichi Aoyama¹, Hideki Miura¹ (1.National Institute of Polar Research, 2.Graduate School of Engineering, Kyushu University, 3.Graduate School of Science, Kyoto University, 4.Faculty of Engineering, Nihon University, 5.ERI, University of Tokyo, 6.Faculty of Science and Engineering, Chuo University)

*Tianyan Shi¹, Yoichi Fukuda², Koichiro Doi^1,2, Jun'ichi Okuno^1,2 (1.Department of Polar Science, Gradualate University for Advanced studies School of Multidisciplinary Sciences, 2.National Institute of Polar Research)

*Keiko Yamamoto¹, Jun'ichi Okuno², Koichiro Doi², Yoichi Fukuda² (1.National Astronomical Observatory of Japan, 2.National Institute of Polar Research)