Soil erosion. Soil erosion is the destruction and removal of top soil by running water, wind, etc. Soil formation is a slow process and takes thousands of years to develop soil; but it may be removed in a matter of few years.
Types of Soil Erosion :
Soil erosion is of three types :
1. Sheet erosion: When the surface soil is washed away by rain or blown away by the wind.
2. Gully erosion: When torrential rain forms deep gullies on sloping land.
3. Wind erosion: When strong winds blow away fine soil in arid areas.
