1. Centre for Earth Observation Science, University of Manitoba; Winnipeg Manitoba Canada
2. Finnish Meteorological Institute; Helsinki Finland
3. National Oceanography Centre; Southampton UK
4. Institute of Marine Research; Bergen Norway
5. Arctic and Antarctic Research Institute; St. Petersburg Russia
6. Interanational Arctic Research Center, University of Alaska Fairbanks; Fairbanks Alaska USA
7. Alfred Wegener Institute for Polar and Marine Research; Bremerhaven Germany