Matvey Vladimirovich Debolskiy¹, Vladimir A Alexeev², Regine Hock³, Dmitry Nicolsky¹, Vladimir E Romanovsky¹, Jörg Schulla⁴, Alexander I Shiklomanov⁵ and Richard B Lammers⁵, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)Univ Alaska Fairbanks, Fairbanks, AK, United States, (3)Univ of AK-Geophysical Inst, Fairbanks, AK, United States, (4)Self Employed, Zurich, Switzerland, (5)University of New Hampshire, Earth Systems Research Center, Durham, NH, United States