1. Climate Variability and Change in High Northern Latitudes, Nansen International Environmental and Remote Sensing Centre, St Petersburg, Russia
2. Sea Ice Physics, Alfred Wegener Institute Helmoholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany
3. Department of Cartography & Geoinformatics of the Institute of Earth Sciences, St Petersburg State University, St Petersburg, Russia
4. Geophysical Institute, University of Alaska Fairbanks, University of Alaska, Fairbanks, AK, USA
5. Polar Biological Oceanography, Alfred Wegener Institute Helmoholtz-Zentrum für Polar- und Meeresforschung, Bremerhaven, Germany