Polar Science Center Applied Physics Lab, University of Washington, 1013 NE 40th Street, Seattle, WA 98105, United States
Bristol Glaciology Centre University of Bristol, University Road, Bristol, BS8 1SS, United Kingdom
University of Texas Institute for Geophysics Jackson School of Geosciences University of Texas at Austin, 10100 Burnet Rd., Bldg. 196, Austin, TX 78758, United States
University of Texas Institute for Geophysics Jackson School of Geosciences University of Texas at Austin, 10100 Burnet Rd., Bldg. 196, Austin, TX 78758, United States
National Snow and Ice Data Center University of Colorado, CIRES Campus Box 449 1540 30th St., Boulder, CO 80309-0449, United States
British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, United Kingdom
Department of Earth and Planetary Sciences, University of California, Santa Cruz, CA 95064, United States