1. Department of Geological Science; CEOS, University of Manitoba; Winnipeg Manitoba Canada
2. Unité d'Océanographie Chimique, MARE, Université de Liège; Liège Belgium
3. Arctic Research Centre, Aarhus University; Aarhus Denmark
4. Greenland Climate Research Centre, Greenland Institute of Natural Resources; Nuuk Greenland
5. School of Ocean Sciences, Bangor University; Anglesey UK
6. Marine Research Centre, Finnish Environment Institute; Helsinki Finland
7. Laboratoire de Glaciologie, DSTE, Université Libre de Bruxelles; Bruxelles Belgium