what do u mean by the terms of soil erosion, gullies,sheet erosion
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Soil erosion Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. One of the main causes of soil erosion is water erosion, which is the loss of topsoil due to water.
Gullies A gully is a deep valley that's formed by water that runs across land and wears it away. Most gullies form along hillsides. When a stream or runoff from a heavy rainfall erodes the land and forms a ravine or ditch, the result is a gully
Sheet erosion occurs as a shallow 'sheet' of water flowing over the ground surface, resulting in the removal of a uniform layer of soil from the soil surface. Sheet erosion occurs when rainfall intensity is greater than infiltration (sometimes due to crusting)
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Soil erosion pictures
Gullies pictures
Sheet erosion pictures
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