les différents agents d'érosion


Les facteurs d'érosion sont : le climat, la pente, les propriétés physico-chimiques des roches, la couverture végétale (son abondance, sa nature) et l'action de 
  • Quels sont les principaux agents de l'érosion ?

    L'érosion est l'ensemble des résultats de tous les processus qui ramassent et transportent des matériaux sur la surface terrestre. Les principaux agents d'érosion sont l'eau, le vent, la glace et la gravité, et chacun agit de plusieurs façons.
  • Quels sont les différents types d'érosion PDF ?

    Nous pouvons distinguer trois types :

    Le splash,L'érosion diffuse,L'érosion concentrée qui se sub-divise ensuite en deux formes différentes: Les rigoles. Les ravines.
  • Quelles sont les différentes types d'érosion ?

    Coulées boueuses. Glissements de terrain. MOUVEMENTS LENTS. Creep (Glissement lent des particules a la surface du sol sur pentes fortes) Erosion mécanique ou érosion s?he (Descente progressive des terres poussés par les outils de travail du sol)
  • L'eau, principal agent d'érosion, agit aussi bien mécaniquement que chimiquement sur les roches. Elle désagrège les matériaux les plus tendres en ruisselant. Les pierres choquées les unes contre les autres se cassent et s'usent. La mer, par le choc répété des vagues, fragmente ainsi les roches du littoral.
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Erosion and Deposition: Action of Running Water and Groundwater

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