1. Barcelona Supercomputing Center, Barcelona, Spain
2. Georges Lemaître Centre for Earth and Climate Research (TECLIM), Earth and Life Institute, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
3. Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado
4. London School of Economics, London, United Kingdom
5. Centre for Earth Observation Science, University of Manitoba, Winnipeg, Canada, and National Snow and Ice Data Center, University of Colorado Boulder, Boulder, Colorado