Flashcards
Erosion
Cards in this deck (4)
- 1AbrasionThis occurs when the load the river is carrying repeatedly hits the river bed and the banks, causing some of the material to break off.
- 2Hydraulic ActionThis is the sheer force of the water hitting the bed and the banks of the river. This is most efficient water is moving fast and there is a lot of the water.
- 3AttritionThis is when the stones and boulders carried by the river knock against each other and over time are weakened, causing bits to fall off and they reduce in size.
- 4CorrosionThis occurs when the river flows on certain types of rock, such as chalk and limestone. These are soluble in rainwater and become part of the water as they are dissolved by it.
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- GCSE Geography (Rivers) Flashcards on Erosion, created by rosetinley on 04/10/2013.
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- rosetinley
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