Stephanie A Ewing, Montana State University, Department of Land Resources and Environmental Sciences, Bozeman, MT, United States, Ethan Wologo, Montana State University, Land Resources & Environmental Sciences, Bozeman, MT, United States, Jonathan A O'Donnell, National Park Service Anchorage, Anchorage, AK, United States, James B Paces, USGS, Geosciences and Environmental Change Science Center, Denver, CO, United States, Robert G Striegl, USGS WRD, Boulder, CO, United States, Duane G Froese, University of Alberta, Department of Earth and Atmospheric Sciences, Edmonton, AB, Canada and Joshua Koch, USGS Alaska Science Center, Anchorage, United States