1. The Centre for Earth Observation Science, Department of Geological ScienceUniversity of Manitoba Winnipeg Manitoba Canada
2. Centre for Ocean and Atmospheric Sciences, School of Environmental SciencesUniversity of East Anglia Norwich UK
3. Institut des sciences de la Terre d'OrléansUniversité d'Orléans, CNRS, BRGM Orleans France
4. Unité d'Océanographie ChimiqueUniversité de Liège Liege Belgium
5. Laboratoire de Glaciologie, DGESUniversité Libre de Bruxelles Brussels Belgium
6. Greenland Climate Research CentreGreenland Institute of Natural Resources Nuuk Greenland
7. Arctic Research CentreAarhus University Aarhus Denmark