Coastal Management
this took effort to make:)
- Created by: chloewarren28
- Created on: 12-02-14 18:53
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- Coastal Management
- Revetment
- Advantages
- cheap
- looks natural
- long life span
- good at protecting bottom of cliffs
- Disadvantages
- needs maintenance
- sloping feature
- breaks up/absorbs wave energy
- allows sediment through
- Advantages
- Gabion
- Advantages
- relatively cheap
- Disadvantages
- catches rubbish - can smell
- short life span
- easily damaged
- steel - rusts
- metal cage
- filled with rocks
- usually about 1m x 1m
- Advantages
- Beach Replenishment
- Advantages
- uses natural resources
- Disadvantages
- short life span
- expensive
- collect sand from ocean
- squirt sand on beach
- absorbs wave energy
- Advantages
- Managed Retreat
- Advantage
- cheap
- nature takes its course
- Disadvantages
- causes conflict
- loss of...
- buisness
- homes
- farmland
- roads
- allows natural erosion to occur
- low value land allowed to flood
- protects higher value land
- Advantage
- Rip-Rap
- Advantages
- looks natural
- good permeability
- Disadvantages
- short life span
- layers of hard rock
- absorbs wave energy
- Advantages
- Sea Wall
- Disadvantages
- needs maintenance
- looks ugly
- expensive
- erosion continues where scheme ends
- Advantages
- effective
- long life span
- halts local erosion
- a wall is built
- Disadvantages
- Groyne
- wood or rock
- slows LSD
- Advantages
- cheap
- looks natural
- Disadvantags
- short life span
- needs maintenance
- Revetment
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