1. Differentiate between gully erosion and sheet erosion.
2. What are the types of soil erosion and their main causes?
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Answers
Answer:
Soil that remains at the place of formation is called residual soil. Residual soil remains above its parent rock. It is usually formed from chemical or physical weathering and eventually covers the parent rock. The characteristics of residual soil depend on the type of the parent rock. They are very fertile as they consist of minerals from a variety of transported rocks.
Transported soil is blown or washed away from its parent rock. The weathered pieces of rocks that have been carried by several agents like wind and water finally break down into further small pieces to settle down, which are called transported soil.
Answer:
1) Sheet erosion occurs when a thin layer of topsoil is removed. Gully erosion is the process by which gullies are formed. Hillsides are more prone to gullying when they are cleared of vegetation.
2) Rain Drop or Splash Erosion. ...
Sheet Erosion. ...
Rill Erosion. ...
Gully Erosion. ...
Stream Bank Erosion. ...
Due to Soil Texture. ...
Slope. ...
Intensity or Amount of Rainfall.