what is soil erosion? Related: What is Soil?-Introduction, Soil, Clas...
Soil erosion is the displacement of the upper layer of soil, one 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.
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what is soil erosion? Related: What is Soil?-Introduction, Soil, Clas...
Soil erosion is the weathering away of topsoil caused by water, wind or tillage. Pesticides and other chemicals can get trapped in soil, polluting streams and rivers as the soil breaks apart. Soil erosion can also lead to mudslides and floods, negatively affecting thestructural integrity of buildings and roadways
what is soil erosion? Related: What is Soil?-Introduction, Soil, Clas...
Introduction:
Soil erosion is the process by which soil is displaced or removed from its original location through natural forces such as wind or water. It is a natural phenomenon that can also be accelerated by human activities. Soil erosion is a significant environmental issue as it can lead to the loss of fertile topsoil, which is essential for agriculture and plant growth. This process can have numerous negative effects on the environment, including reduced soil productivity, water pollution, and habitat destruction.
What is Soil?
Soil is a complex mixture of minerals, organic matter, water, and air, which provides a medium for plant growth. It is formed through the weathering of rocks and the decomposition of organic materials over a long period. Soil can vary in composition and properties depending on factors such as climate, topography, parent material, and time.
Key Points:
- Soil is a mixture of minerals, organic matter, water, and air.
- It provides a medium for plant growth.
- Soil composition and properties vary based on various factors.
Soil Erosion:
Soil erosion occurs when soil particles are detached and transported away from their original location. It can be caused by natural factors such as wind, water, ice, and gravity, as well as human activities like deforestation, overgrazing, and improper land management practices. Erosion can result in the loss of topsoil, which contains essential nutrients for plants and supports agricultural productivity.
Key Points:
- Soil erosion is the displacement or removal of soil from its original location.
- It can be caused by natural forces and human activities.
- Erosion leads to the loss of fertile topsoil.
Types of Soil Erosion:
There are several types of soil erosion, including:
1. Sheet Erosion: Occurs when a thin layer of topsoil is uniformly removed over a large area.
2. Rill Erosion: Involves the formation of small channels or rills on the soil surface due to the flow of water.
3. Gully Erosion: Characterized by the formation of deep and narrow channels in the soil, often caused by concentrated water flow.
4. Wind Erosion: Occurs when soil particles are transported by wind, leading to the formation of sand dunes or dust storms.
5. Mass Movement Erosion: Involves the movement of large masses of soil down slopes due to gravity, such as landslides or slumps.
Key Points:
- Sheet erosion, rill erosion, gully erosion, wind erosion, and mass movement erosion are different types of soil erosion.
Effects of Soil Erosion:
Soil erosion can have several detrimental effects on the environment:
- Loss of fertile topsoil: The removal of topsoil reduces soil fertility and agricultural productivity.
- Water pollution: Eroded soil particles can enter water bodies, leading to sedimentation, nutrient imbalance, and decreased water quality.
- Habitat destruction: Erosion can destroy habitats for plants and animals, leading to a loss of biodiversity.
- Increased flooding: Soil erosion can contribute to increased runoff and flooding as water is not absorbed by the soil.
- Desertification: When erosion occurs at a
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