Satellite based assessment of recent permafrost extent and active layer trends over Alaska and Northwest Canada

Youngwook Kim, University of Montana, NTSG, Missoula, MT, United States, John S Kimball, The University of Montana, Numerical Terradynamic Simulation Group, W.A. Franke College of Forestry & Conservation, Missoula, MT, United States, Hotaek PARK, JAMSTEC, Yokosuka, Japan and Yonghong Yi, University of Montana, Missoula, MT, United States