Landsat time series analysis documents beaver migration into permafrost landscapes of arctic Alaska

Benjamin M Jones, USGS Alaska Science Center, Anchorage, AK, United States, Ken D Tape, University of Alaska Fairbanks, Fairbanks, AK, United States, Ingmar Nitze, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, Christopher D Arp, University of Alaska Fairbanks, Water and Environmental Research Center, Fairbanks, United States, Guido Grosse, Alfred Wegener Institute Helmholtz Center for Polar and Marine Research, Permafrost Research Section, Potsdam, Germany and Christian E. Zimmerman, Alaska Science Center, U.S. Geological Survey, Anchorage, AK, United States