soil erosion type definition
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Answer:
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Explanation:
Following are the major types of erosion caused by water. (i) Sheet Erosion : When the top layer of the soil is removed over a large area by the running water, it is called as sheet erosion.
(ii) Rill Erosion : This is the second stage of sheet erosion. ... Gully erosion is also responsible for the formation of ravines.
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Answer:
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.
TYPES OF SOIL EROSION:-
(1)Rain Drop or Splash Erosion
The erosion due to the impact of falling raindrops on soil surface leading to the destruction of the crumb structure is known as the raindrop or splash erosion.
(2) Sheet Erosion
It is the uniform removal of soil in thin layers from the land surface caused by the wind. Land areas with loose, shallow topsoil overlie compact soil are most prone to sheet erosion
(3) Rill Erosion
Rill erosion is a form of water erosion in which the erosion takes places through numerous narrow and more or not so straight channels called streamlets, or head cuts. Rill is the most common form of erosion, which you can also observe during heavy rain.
(4)Gully Erosion
Gully erosion occurs due to the runoff of surface water causing the removal of soil with drainage lines. Gullies when started once, will move by headward erosion or even by slumping of side walls unless and un-till proper steps will be taken in order to stabilize the disturbance.
(5)Stream Bank Erosion
Bank erosion is nothing but washing up away from banks of a stream or a river. It is different from the erosion of the bed of a watercourse, that is referred to as scouring. This type of erosion is also termed as Stream Bank Erosion.
Explanation:
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