Polar Science Center, Applied Physics Laboratory University of Washington, Seattle, WA, United States
Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Cooperative Institute for Climate and Satellites, North Carolina (CICS-NC), NC State University and NOAA's National Centers for Environmental Information (NCEI), Asheville, NC, United States
CIRES, University of Colorado Boulder, National Snow and Ice Data Center, Boulder, CO, United States