Les ressources en eau liees aux surcreusements glaciaires dans les Alpes Francaises

Jean-Claude Fourneaux
Since a long time, the glacial valleys geology is known, in the french Alps. The morphology of these excavated valleys is caracterised by the presence of furrows and ridges aligned parallel to the axe of the valley. The excavated valleys are often filled up by fine lacustral deposits, but at times they may have thick alluvial deposits in which one can possibly find important water resources. Under-cutting of the valleys is so important that the...