key term coasts

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  • 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
    • 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
    • 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
    • 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
    • GROYNES
      • barrier built out 2 sea to slow down the movement along a beach
  • a form of wave erosion

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