Ryan Webb, University of New Mexico Main Campus, Albuquerque, NM, United States, Mark Raleigh, University of Colorado at Boulder, Boulder, CO, United States, Daniel McGrath, University of Colorado, Boulder, CO, United States, Noah P Molotch, University of Colorado at Boulder, Geography / INSTAAR, Boulder, CO, United States, Kelly Elder, USDA Forest Service, Fort Collins, CO, United States, Christopher A Hiemstra, US Army Corps of Engineers Washington DC, Washington, DC, United States, Ludovic Brucker, NASA GSFC / GESTAR USRA, Cryospheric Sciences Lab., Greenbelt, MD, United States and Hans-Peter Marshall, Boise State University, Department of Geosciences, Boise, ID, United States