1. Department of Geography the University of Sheffield Sheffield S10 2TN UK
2. British Antarctic Survey Madingley Road, High Cross Cambridge CB3 0ET UK
3. Department of Earth Sciences and Bjerknes Centre for Climate Research University of Bergen Bergen Norway
4. Department of Geological Sciences Stockholm University Stockholm Sweden
5. Department of Geoscience and Remote Sensing Delft University of Technology Stevinweg 1 Delft 2628 CN Netherlands
6. School of Geographical Sciences University of Bristol University Road Bristol BS8 1SS UK
7. University of Leeds, School of the Earth and Environment Woodhouse Lane Leeds LS2 9JT UK
8. Department of Geography, Lower Mountjoy Durham University South Road Durham DH1 3LE UK