1. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA
2. Schmid College of Science and Technology Chapman University Orange CA USA
3. Woodwell Climate Research Center Falmouth MA USA
4. National Snow and Ice Data Center Cooperative Institute for Research in Environmental Sciences University of Colorado Boulder CO USA
5. Department of Earth and Environmental Sciences Murray State University Murray KY USA
6. Centre for Ecology and Hydrology Penicuik UK
7. Environmental Sciences Division Oak Ridge National Laboratory Climate Change Science Institute Oak Ridge TN USA
8. Department of Earth and Environment Boston University Boston MA USA
9. School of Earth and Sustainability Northern Arizona University Flagstaff AZ USA