1. NIOZ Royal Netherlands Institute for Sea Research; Den Burg Netherlands
2. Norwegian Polar Institute; Tromsø Norway
3. Applied Physics Laboratory; University of Washington; Seattle Washington USA
4. University of Alaska Fairbanks, International Arctic Research Center; Fairbanks Alaska USA
5. Danish Meteorological Institute, Centre for Ocean and Ice; Copenhagen Ø Denmark
6. Greenland Climate Research Centre; Greenland Institute of Natural Resources; Nuuk Greenland
7. Department of Fisheries and Oceans; Institute of Ocean Sciences; Sidney Canada
8. California Institute of Technology; Jet Propulsion Laboratory; Pasadena California USA
9. Lamont-Doherty Earth Observatory; Columbia University; Palisades New York USA
10. Department of Earth and Environmental Sciences and Department of Earth and Environmental Engineering; Columbia University, New York, USA