Remotely sensed ground surface temperature variations over Arctic during summer and winter (under snow cover) periods

Alain Royer1, Nicolas Marchand1, Catherine Ottle2, Gerhard Krinner3 and Alexandre Roy1, (1)University of Sherbrooke, Sherbrooke, QC, Canada, (2)CEA Saclay DSM / LSCE, Gif sur Yvette, France, (3)LGGE Laboratoire de Glaciologie et Géophysique de l’Environnement, Saint Martin d'Hères, France