Mise en corrélation multitemporelle d'images   Animation of two ASTER satellite images of the Kronebreen glacier taken on 26 June 2001 and 6 August 2001. Can you follow the glacier flow?   Displacement field of Kronebreen glacier. By correlating the ASTER images of 26 June and 6 August 2001, the velocity vector field was measured. The annotated isolines show the ice flow speed in metres per year. Towards the accumulation area measurements were not possible due to snow and firn cover. Questions