Geography, Section C:Physical Landscapes

medmerry retreat management scheme

What was the expense of the medmerry scheme

28 Million

what is the chance of coastal flooding in Selsey. which provides the best level of protection for people living in coastal zones of the UK

1 in 1000

what will the salt marsh vegatation be used for

extensive cattle farming to produce expensive saltmarsh beef

why is tourism expected to increase following the medmerry scheme

As two new car parks and four viewing points give easy access

what are the benefit of the new flooded area to fishes

it is expected to become a nursery that will boost the local fishing industry

what does the maintenance access point provide

a cycle route and a path

What are the three methods of hard engineering

Groynes

Sea walls

Rock armour

What are the positives and negatives of Groynes

They build up sediment carried from LSD this helps build up the beac and can become more attractive and as act as a greater buffer to waves

They work against LSD which starves beaches ahead of the groyne

What is a sea wall and what is to positives and negatives

Concrete wall are placed at the feet of cliffs they are curved to reflect wage energy back to the sea

They often have promenades on top and they attract tourists

They are expensive and can look obtrusive to some

What is rock armour and what os an advantage and a disadvantage

Large boulders placed at the feet of cliffs which absorb wave energy protecting the cliff behind them

Cheap and can be used for fishing

Look obtrusive

What are the 2 methods of soft engineering

Beach nourishment

Dune regeneration

What is beach nourishment and what is its negatives and positives

Sand added to an existing beach to build it up

Its cheap and attracts tourists

Needs constant maintenance

What is dune regeneration and its positives

Involves supporting and protecting and dunes by planting maras grass can help stabilise the dune to allow more sands to accumulate

Relatively cheap and looks natural

What is managed retreat

Where you allow the sea to flood a low lying area

This typically occurs where the value of and is low