1. Centre d'Applications et de Recherches en Télédétection (CARTEL); Université de Sherbrooke; Quebec Canada
2. Centre d'études nordiques; Quebec Canada
3. Canadian Ice Service; Environment Canada; Ottawa Canada
4. NASA Goddard Space Flight Center; Cryospheric Sciences Laboratory; Code 615 Greenbelt MD 20771 USA
5. Universities Space Research Association, Goddard Earth Sciences Technology and Research Studies and Investigations; Columbia MD 21044 USA