1. Department of GeographyDurham University Durham UK
2. British Antarctic Survey Cambridge UK
3. School of Geography, Politics and SociologyNewcastle University Newcastle upon Tyne UK
4. Geodynamics, National Space InstituteTechnical University of Denmark Lyngby Denmark
5. Norwegian Polar Institute Tromsø Norway
6. Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research Bremerhaven Germany
7. European Space Agency/ESTEC Noordwijk Netherlands