write causes of soil erosion.
Purnimak:
i) Heavy rain and floods make the soil particles loose and lead to soil erosion. ii) deforestation loosens the particles in soil and leads to easy erosion of soil by wind and water. Deforestation makes the land barren increasing the chances of floods. iii) poor farming methods adopted by farmers also add up to soil erosion. iv) overgrazing by animals, and construction of roads and development of houses have led to increase in the pace of soil erosion.
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Erosion by Water -
Factors & Causes of Soil Erosion
Rainfall Intensity and Runoff: The impact of raindrops will break up the soil and water build-up will create runoff, taking sediment with it.
Soil Erodability: Based on the characteristics of each unique soil, it is more or less susceptible to erosion. Recurring erosion is more typical for soil in areas that have experienced erosion in the past.
Slope Gradient and Length: The steeper the slope, the greater amount of soil can be lost. As the soil erodes downward, it increases the slope degree, which in turn, creates further erosion.
Vegetation: Vegetative cover of plants or crop residues protect the soil from raindrop impact and splash. The less vegetation cover, the more erosion can occur.
Factors & Causes of Soil Erosion
Rainfall Intensity and Runoff: The impact of raindrops will break up the soil and water build-up will create runoff, taking sediment with it.
Soil Erodability: Based on the characteristics of each unique soil, it is more or less susceptible to erosion. Recurring erosion is more typical for soil in areas that have experienced erosion in the past.
Slope Gradient and Length: The steeper the slope, the greater amount of soil can be lost. As the soil erodes downward, it increases the slope degree, which in turn, creates further erosion.
Vegetation: Vegetative cover of plants or crop residues protect the soil from raindrop impact and splash. The less vegetation cover, the more erosion can occur.
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Soil Erosion➫ The removal of top layer of the soil by the action of wind & rainfall is called soil erosion.
♦ This is a naturally occurring process that affects all landforms.
❱ This natural process is caused by the dynamic activity of erosive agents like:-
♦ Water
♦ Ice
♦ Snow
♦ Air
♦ Plants
♦ Animals
♦ Humans
➧ Types of Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
[1] Splash Erosion:-
❱ The first stage in the Erosion process.
Splash Erosion results from the bombardment of the soil surface by rain drops.
[2] Sheet Erosion:-
❱ The uniform removal of soil in thin layers by the forces of raindrops & overland flow.
[3] Rill Erosion:-
❱ The removal of soil by concentrated water running through little streamlet.
[4] Gully Erosion:-
❱ The removal of soil along drainage lines by surface water runoff.
➧ Causes 0f Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Water
❱ Winds
❱ Glacier
❱ 0ver Grazing
❱ Human Activities
➧ Factors that cause Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Rainfall
❱ Topography
❱ 0vergrazing
❱ Deforestation
❱ Human Activities
❱ Presence of 0rganic Materials in Soil
➧ Measures to Prevent Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Strip Farming
❱ Soil Rotation
❱ Soil Stabilisation
❱ Terrace Farming
❱ Vegetation Cover
❱ Controlled 0ver-Grazing
➧ Effects 0f Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Landslides
❱ Flash Floods
❱ Desertification
❱ Loss of soil fertility
❱ Silting of Rivers & Lakes
_________
Thanks...✊
✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭
┗─━─━─━─━∞◆∞━─━─━─━─┛
Soil Erosion➫ The removal of top layer of the soil by the action of wind & rainfall is called soil erosion.
♦ This is a naturally occurring process that affects all landforms.
❱ This natural process is caused by the dynamic activity of erosive agents like:-
♦ Water
♦ Ice
♦ Snow
♦ Air
♦ Plants
♦ Animals
♦ Humans
➧ Types of Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
[1] Splash Erosion:-
❱ The first stage in the Erosion process.
Splash Erosion results from the bombardment of the soil surface by rain drops.
[2] Sheet Erosion:-
❱ The uniform removal of soil in thin layers by the forces of raindrops & overland flow.
[3] Rill Erosion:-
❱ The removal of soil by concentrated water running through little streamlet.
[4] Gully Erosion:-
❱ The removal of soil along drainage lines by surface water runoff.
➧ Causes 0f Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Water
❱ Winds
❱ Glacier
❱ 0ver Grazing
❱ Human Activities
➧ Factors that cause Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Rainfall
❱ Topography
❱ 0vergrazing
❱ Deforestation
❱ Human Activities
❱ Presence of 0rganic Materials in Soil
➧ Measures to Prevent Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Strip Farming
❱ Soil Rotation
❱ Soil Stabilisation
❱ Terrace Farming
❱ Vegetation Cover
❱ Controlled 0ver-Grazing
➧ Effects 0f Soil Erosion are:-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=⤵
❱ Landslides
❱ Flash Floods
❱ Desertification
❱ Loss of soil fertility
❱ Silting of Rivers & Lakes
_________
Thanks...✊
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