What are some facts about water erosion?

Answer

One fact about water erosion is there are four different types: sheet, rill, gully and splash. One of the best ways to help prevent water erosion is by planting vegetation to protect the soil.

Sheet erosion occurs when a thin layer of soil is removed from a large portion of an area. Rill erosion happens when small channels are carved on a slope by running water. Gully erosion occurs when a wide channel is carved by running water and splash erosion takes place when soil is moved when water splashes.

In all types of erosion, whether by water, wind or ice, erosion occurs when the surface of the land is removed and deposited in another location. Erosion is a problem all over the world because it can contribute to the instability in a region. According to the University of Nebraska, the cost of erosion in the United States each year is estimated to total into the billions of dollars.

One place where water erosion has occurred is Niagara Falls. The rate of recession of the falls is approximately 1 foot per year. This rate has been reduced recently due to flow control and the diversion of the water for use in hydro-power generation.

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