1. Center for Research in Water Resources University of Texas at Austin Austin TX USA
2. Geophysical Institute University of Alaska Fairbanks Fairbanks AK USA
3. School of Geography University of Leeds Leeds UK
4. British Antarctic Survey Natural Environment Research Council Cambridge UK
5. Scott Polar Research Institute University of Cambridge Cambridge UK
6. Polar Science Center, Applied Physics Lab University of Washington Seattle WA USA
7. National Research Council Water Research Institute Brugherio Italy