3 résultats pour "foehn"
- foehn 1 PRÉSENTATION foehn, vent local fort, chaud et sec soufflant sur le versant « sous le vent » des reliefs.
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Switzerland - country.
formation over higher elevations. The wind reverses direction about sundown and moves down the valley as a cool downdraft. The foehn, which occurs during the wintermonths, is a dry and relatively warm airflow that is drawn northward over the Alps. The foehn can quickly melt snow and ice, increasing the risk of mudslides andavalanches. D Natural Resources Waterpower is the chief natural resource of Switzerland. The principal source of water is runoff from the considerable annual precipitation th...