Erosion - National Geographic Society
网页2024年4月23日 · Erosion is the opposite of deposition, the geological process in which earthen materials are deposited, or built up, on a landform. Most erosion is performed by liquid water, wind, or ice (usually in the form of a glacier). If the wind is dusty, or water or glacial ice is muddy, erosion is taking place. The brown color indicates that bits of ...
Erosion | Description, Causes, Facts, & Types | Britannica
网页2024年9月7日 · Moving water is the most important natural erosional agent. The wastage of the sea coast, or coastal erosion, is brought about mainly by the action of sea waves but also, in part, by the disintegration or degradation of sea cliffs by atmospheric agents such as rain, frost, and tidal scour.Sea wave erosion is accomplished primarily by hydraulic pressure, the impact of waves striking the shore ...
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