1. Globe Institute, University of Copenhagen, Øster Voldgade 5-7, Copenhagen DK-1350, Denmark.
2. Environment Institute and School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia.
3. Department for Environment and Water, Adelaide, South Australia, Australia.
4. Department of Anthropology, Trent University, 1600 West Bank Drive, Peterborough, Ontario K9L0G2, Canada.
5. Department of Anthropology, Chinese University of Hong Kong, Shatin, Hong Kong.
6. Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland.
7. School of Geographical Sciences, University of Bristol, Bristol, UK.
8. Arctic Research Centre (ARC), Department of Ecoscience, Aarhus University, Frederiksborgvej 399, PO Box 358, Roskilde DK-4000, Denmark.
9. Section for Marine Mammal Research, Department of Ecoscience, Aarhus University, Frederiksborgvej 399, Roskilde DK-4000, Denmark.
10. Greenland Institute of Natural Resources, Kivioq 2, PO Box 570, Nuuk 3900, Denmark.
11. Glaciology and Climate Department, Geological Survey of Denmark and Greenland (GEUS), Øster Voldgade 10, Copenhagen DK-1350, Denmark.