| Affiliation: | Institute for Marine and Atmospheric research Utrecht, University of Utrecht, Princetonplein 5, 3584 CC, Utrecht, The Netherlands;;Robert J. Van de Graaff Laboratorium, University of Utrecht, Princetonplein 5, 3584 CC, Utrecht, The Netherlands;;Laboratoire de Glaciologie et Géophysique de l'environnement, BP 96, 38402 St. Martin d'Hères Cedex, France;;Arctic and Antarctic Research Institute, Beringa Street 38, 199226 St. Petersburgh, CIS;;Geografisch Instituut, Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussels, Belgium |
