1. Cooperative Institute for Research in the Atmosphere (CIRA) Colorado State University Fort Collins CO USA
2. Department of Physics and Technology UiT The Arctic University of Norway Tromsø NORWAY
3. Earth Sciences University College London London UK
4. National Snow and Ice Data Center (NSIDC) University of Colorado Boulder Boulder CO USA
5. Colorado Center for Astrodynamics Research (CCAR) University of Colorado Boulder Boulder CO USA
6. Department of Biological Sciences University of Alaska Anchorage Anchorage AK USA
7. Rocky Mountain Research Station USDA Forest Service Fort Collins CO USA