key term coasts
- Created by: michelle
- Created on: 18-05-13 10:06
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- coasts: key terms
- GABIONS
- method of coastal protection
- wire cages with boulders placed at the base of a cliff
- method of coastal protection
- PHYSICAL WEATHERING
- break down of rocks by the actions of plants and animals
- CHEMICAL WEATHERING
- a form of wave erosion at the base of the cliff
- BIOLOGICAL WEATHERING
- CORRASION
- a form of wave erosion
- CORRASION
- CORROSION
- a form of wave erosion, where pebbles and rocks are thrown against the cliff face
- HYDRAULIC ACTION
- air forced into cracks because of incoming waves
- happens again and again and loosens rock every time
- air forced into cracks because of incoming waves
- ATTRITION
- pebbles hit the cliff and become rounder
- BEACH
- a gently sloping deposit of sand , pebbles, or mud all formed by the sea
- LONG SHORE DRIFT
- movement of beach material on the coast in the dierction of prevailing wind
- COST BENEFIT ANALYSIS
- check the cost then benefit then analyse
- ROCK ARMOUR
- method of coastal protection
- huge boulders infront of the sea
- method of coastal protection
- GROYNES
- barrier built out 2 sea to slow down the movement along a beach
- GABIONS
- a form of wave erosion
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