CALM at 21: Results of long-term monitoring of the active layer/upper permafrost system.

Nikolay I Shiklomanov1, Frederick E Nelson2, Dmitry A Streletskiy1, Anna E Klene3 and Ziqi Li1, (1)George Washington University, Washington, DC, United States, (2)Northern Michigan University, Marquette, United States, (3)University of Montana, Geography, Missoula, MT, United States