National Snow and Ice Data Center, 449 UCB, University of Colorado – Boulder, CO 80309-0559, USA

Geography Program, University of Northern British Columbia, 3333 University Way, Prince George, B.C. V2N 4Z9, Canada

Institute of Arctic and Alpine Research, 450 UCB, University of Colorado – Boulder, CO 80309-0450, USA

Department of Physical Geography & Quaternary Geology, Stockholm University, SE – 106 92 Stockholm, Sweden

HyMet Inc., 13629 Burma Rd. SW, Vashon Island, WA 98070, USA

National Snow and Ice Data Center, 449 UCB, University of Colorado – Boulder, CO 80309-0559, USA

National Snow and Ice Data Center, 449 UCB, University of Colorado – Boulder, CO 80309-0559, USA

National Snow and Ice Data Center, 449 UCB, University of Colorado – Boulder, CO 80309-0559, USA

National Snow and Ice Data Center, 449 UCB, University of Colorado – Boulder, CO 80309-0559, USA

National Snow and Ice Data Center, 449 UCB, University of Colorado – Boulder, CO 80309-0559, USA