What is Soil Erosion ? Describe two types of soil erosion? (4 marks)
- SOIL EROSION: The process by which top layer of the soil gets weathered away by agents like wind, water, glaciers is called as soil erosion
- following are three types of soil erosion:
- Sheet erosion: Sheet erosion involves the removal of a uniform thin layer of soil by raindrop splash or water run-off.
- Gullies erosion: Gully erosion occurs when runoff water accumulates, and then rapidly flows in narrow channels during or immediately after heavy rains or melting snow, removing soil to a considerable depth.
- Wind erosion: The erosion in which the wind picks up and carries loose soil particles