What is soil erosion? Write the main causes of soil erosion.
Answers
The denudation of the soil cover and subsequent washing down is described as soil erosion.
The process of soil formation and erosion goes on simultaneously and generally there is a balance between the two. This balance is sometimes disturbed, leading to soil erosion. The main activities like deforestation, over-grazing, construction and mining and also natural agents like wind, running water and glacier are the main causes of soil erosion.
Soil erosion is the displacement 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, animals, and humans. In accordance with these agents, erosion is sometimes divided into water erosion, glacial erosion, snow erosion, wind (aeolean) erosion, zoogenic erosion and anthropogenic erosion. Soil erosion may be a slow process that continues relatively unnoticed, or it may occur at an alarming rate causing a serious loss of topsoil. The loss of soil from farmland may be reflected in reduced crop production potential, lower surface water quality and damaged drainage networks.Soil erosion could also cause sinkholes.
- Rainfall and Flooding
- Agriculture
- Grazing
- Logging and Mining
- Logging and MiningConstruction
- Logging and MiningConstructionRivers and Streams
- Logging and MiningConstructionRivers and StreamsHeavy Winds
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