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ICSE Class 10 Geography Question 24 of 33

Soil Resources — Question 29

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Question 8(a)

Study the picture of the Chambal Valley. What is responsible for erosion here? Briefly describe how soil is eroded in this case.

Study the picture of the Chambal Valley. What is responsible for erosion here? Briefly describe how soil is eroded in this case. Chapter 8 Soil Resources, Total Geography ICSE Class 10
Answer

The primary cause of erosion in Chambal valley is Gully erosion, which is caused by the continuous action of running water.

Gully Erosion in Chambal Valley

  1. Rainwater Runoff: During heavy rains, water flows over the land surface, cutting into the loose soil.
  2. Formation of Small Channels: Over time, small streams or rills develop as water continues to erode the surface.
  3. Deepening of Gullies: With repeated erosion, these rills expand into deep gullies, removing large amounts of topsoil.
  4. Expansion into Ravines: As erosion continues unchecked, the gullies widen and deepen, eventually forming ravines, which are a characteristic feature of the Chambal Valley.