Institution: | 1. Alfred-Wegener-Institut Helmholtz-Zentrum für Polar-und Meeresforschung, 27570 Bremerhaven, Germany 2. Norwegian Polar Institute, Fram Centre, 9296 Troms?, Norway 3. Polar Research Institute of China, Shanghai 200136, China 4. Dalian University of Technology, Dalian 116024, China 5. Finnish Meteorological Institute, FI-00101 Helsinki, Finland 6. Cold Regions Research and Engineering Laboratory, Hanover, NH 03755-1290, USA |