Tyler R Jones, University of Colorado, Institute of Arctic and Alpine Research, Boulder, CO, United States, William H.G. Roberts, Northumbria University, Newcastle-upon-Tyne, United Kingdom, Eric J. Steig, University of Washington, Seattle, WA, United States, Bradley R Markle, California Institute of Technology, Pasadena, CA, United States, Kurt M Cuffey, University of California Berkeley, Geography, Berkeley, CA, United States and James W C White, Univ Colorado, Institute of Arctic and Alpine Research, Boulder, CO, United States