Coastal Management Strats Flashcards
How many coastal management strategies are there?
4 Hold the line Managed Retreat Advance the line Do nothing
What is hold the line?
Used when land at risk is of high value
Usually uses hard defences
Usually very expensive
What is managed retreat?
Coast lines are allowed to be eroded or flooded
Defences may be constructed to prevent loss of land at high rate
May be used where land value is lower or land use can be relocated elsewhere
What is do nothing?
Nothing is done
Coastlines gradually retreat
Done where land value is low or very few properties are at risk
Done where rate of erosion is too large for hard defences to work
What is advance the line?
Very Rare in UK
Involves building defences out at sea to reclaim land
Very expensive
Requires constant maintenance