Oceans and Ice Branch, Laboratory for Hydrospheric Processes, NASA Goddard Space Flight Center, Code 971, Building 33, Room A210, Greenbelt, MD 20771 United States
Center for the Study of Complex Systems, University of New Hampshire, 225 Morse Hall, Durham, NH 03824 United States
National Snow and Ice Data Center, University of Colorado, Campus Box 449, 1540 30th Street, Boulder, CO 80309 United States
Cold Regions Research and Engineering Laboratory, 72 Lyme Road, Hanover, NH 03755 United States
National Snow and Ice Data Center, University of Colorado, Campus Box 449, 1540 30th Street, Boulder, CO 80309 United States