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8 Cards in this Set
- Front
- Back
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What is hydraulic action? |
The sheer weight and impact of water against the coastline particularly during a storm will erode the coast . The waves compress air into the cracks of the rocks forcing them apart weakening the rock. |
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What is abrasion? |
Breaking waves throw sand and pebbles(or boulders) against the coast during storms. |
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What is attrition? |
The rocks and pebbles carried by the waves rub together and break down into smaller pieces . |
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What is solution?(erosion) |
Chemical action by sea water on some rocks especially limestone |
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What is traction? |
Large boulders roll along the river bed. |
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What is saltation? |
Smaller pebbles are bounced along the river bed picked up and then dropped as the flow of the river changes. |
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What is suspension? |
Finer sand and silt particles are carried along in the flow, giving the brown appearance. |
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What is solution?(tansportation) |
Minerals from rocks such as limestone and chalk are dissolved in the water and carried along the flow although they cannot be seen. |
