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sheetflood. sheet erosion, detachment of soil particles by raindrop impact and their removal downslope by water flowing overland as a sheet instead of in definite channels or rills. A more or less uniform layer of fine particles is removed from the entire surface of an area, sometimes resulting in an extensive loss of rich topsoil.
- The Editors of Encyclopaedia Britannica
Sheet erosion or sheet wash is the even erosion of substrate along a wide area. [1] It occurs in a wide range of settings such as coastal plains, hill slopes, floodplains, beaches, [2] savanna plains [3] and semi-arid plains. [4] Water moving fairly uniformly with a similar thickness over a surface is called sheet flow, and is the cause of ...
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Sheet erosion is the uniform removal of soil in thin layers, and it occurs when soil particles are carried evenly over the soil surface by rainwater that does not infiltrate into the ground. The sediments in this runoff can also fill in cracks in the soil surface, creating an impervious “crust” that further reduces water infiltration.
Apr 23, 2024 · 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 ...
Soil erosion is the denudation or wearing away of the upper layer of soil. It is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice (glaciers), snow, air (wind), plants, and animals (including humans ). In accordance with these agents, erosion is sometimes divided into water ...
Sheet erosion is a major process in the denudation of land surfaces. It involves the falling of raindrops and their merging to form a near-continuous sheet which moves down hillslopes, gathering momentum and representing an erosive force of high potential. It is to be distinguished from gully erosion (q.v.) and stream erosion which involves ...
The majority of soil erosion is due to sheet and rill erosion. Wind erosion is greatest in arid and semiarid regions, such as Kansas, though it can occur to some extent in humid regions. Similarly to water erosion, wind erosion involves three processes – detachment, transportation, and deposition.
