COASTAL ENVIRONMENTS

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  • Created by: SM
  • Created on: 21-12-11 14:16

coastal environment

PROCESSES THAT GIVE RISE TO COASTAL LANDFORMS

 Wave characteristics:

  • Fetch-length of time and distance over which wave was been blowing
  • swash- friction with sea-bed in shallower water causes waves to break and run up the beach until they lose energy
  • backwash- swash water runs back down beach due to gravity.

Marine:

  • longshore drift- once rocks and sand are detached from the cliff, waves can move them over coastline.  Larger heavier materials will be deposited as waves lose energy.
  •  wave deposition-  waves carry materials up beach, lose energy, and drop them.

Sub Ariel:

  • weathering- rocks break down due to freeze-thaw, salt crystals, acid rain and vegetation roots.
  • mass movement

LANDFORMS:

erosional:

  • headlands- 
    • formed by continual erosion of…

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