Essex Marshes Flashcards
1
Q
Why is the sea level rising?
A
It’s rising 6mm per year due to global warming and isostatic readjustment
2
Q
What was deliberately breached in 2002
A
The sea wall at Abbotts Hall Farm
3
Q
Why was it breached?
A
It was to allow salt water back onto the land
4
Q
Why was the scheme extended?
A
To develop more salt marsh land using wooden fences to regulate tidal flow, it encourages deposition and reduces erosion
5
Q
Benefits of the scheme
A
Reduced the pressure on the sea walls
Saved on maintenance costs
Save £500,000 on sea defences
The site acts as a natural flood defence
6
Q
Was it successful?
A
Majority is stabilised as vegetation traps more sediment