Crowded Coast Case Studies

Here are some case studies for the Crowded Coast section of the AS Edexcel Geogrpahy paper. There is also Boscombe and Studland (Sandunes) but I have not included them in this.

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  • Created on: 18-01-10 20:26
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Crowded Coasts-Case Studies!
Porlock Village, Somerset
There used to be a shingle bank which acted as a barrier.
If a gap happened then they would just fix it.
In 1990 it was designated a SSSI.
There was a breach of the shingle bank in 1990. It was
decided that unless a large amount of money was spent then
the sea would have its way and flood Porlock.
In 1996 when a violent storm hit the Bristol Channel the
shingle bank was breached. This formed a permanent
When this happened the local residents thought that the
bank would be restored however English Nature and the
Environment agency decided that this should not happen
and that nature should be allowed to take its course.
The coastal path was diverted inland away from the coast.
Abbotts Hall Farm, Essex

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Sea level is rising on average 6mm per year in the
Southeast of England.
A managed retreat scheme was decided to be done here in
They made 5 breaches in the current embankments which
allowed the sea water to flood onto about 80 hectares of
land (0.312 miles²). This made it into a salt marsh.
Salt marshes are a natural coastal defence as they absorb
water and take away the pressure of it.…read more

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P.S. Ignore the colours and labels with the colours, they have nothing to do with it
On the River Volta just after the lake there is a dam which
obstructs the flow of sediment. This has been blamed for
the erosion of the coastline.
There are little remains of Keta because most of it has
disappeared into the sea. What is left they have built
groynes and headlands to protect it so that it traps
sediment.…read more

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If Togo protects its coastline erosion would be accelerated
in Benin.
Here they have planted mangroves to prevent coastal
flooding. This is because they haven't got the money for
hard engineering techniques. They are a sustainable
management strategy but need 20 years to grow.
On October 4th 1998 there was a cyclone which caused
flooding in the area. There were 918 deaths and 1,000,000
people took refuge.…read more

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This happened on the 26th December 2004 with its
epicentre off the west Coast of Sumatra, Indonesia and
affected most countries bordering the Indian Ocean.
It killed around 280,000 people.
It is the 9th deadliest natural disaster in modern history.
It promoted a widespread humanitarian response where $7
billion were donated from around the world.
In places where mangroves were planted there were fewer
deaths because they absorbed some of the power of the
waves.…read more

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The cliffs here are between 20 and 30 meters high.
Holderness is 61km long. The erosion rate in some places is
on average 10meters a year.
It has an easily eroded rock type and is prone to slumping
There are narrow beaches. Less beach means that there is
less time for the erosive power of waves to decrease.
Flamborough head stops sediments and so do coastal
defences like the Groynes at Mappleton.…read more


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