Essex Marshes case study Flashcards
1
Q
what engineering did they use
A
soft engineering
2
Q
what form of soft engineering
A
managed retreat
3
Q
why was coastal management needed?
A
- it is one of the largest estuaries in East Anglia
- covers 4400 hectres
- threated by coastal squeeze
- sea level is rising by 6mm per year
4
Q
what was the scheme
A
- the sea wall was deliberately breached in 2002
- works by allowing salt water back onto land
- two counter walls have been contructed
5
Q
what are the benefits of the scheme
A
- reduced pressure on the sea wall elsewhere
- saved maintaince costs
- low capital costs
- won awards from the RSPB as it has boosted habitats
- saved £500,000
6
Q
was it successful?
A
prior to the scheme the sites were eroding but now the vast majority are stablilised
