Birling Gaps and Eastbourne's Coastline

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Birling Gaps and Eastbourne's Coastline

My project is on Birling Gaps and Eastbourne's coastline. Their grid

references are 553,960 (Birling Gap) and 630,003 (Eastbourne). These

are both situated in the south east of England on the south east

coast. The reason we are doing our work on these particular places is

that these places have a recurring problem. Erosion.


Birling Gap and Eastbourne are both areas of coastline along the south

east of England. We are focusing on these areas because they are

areas, which the cliff-face is being eroded away. The erosion is

happening at an incredible rate. This is because the cliff is made

from chalk, which is a soft and easily eroded rock. Also, another

factor affecting the erosion on the cliff is the fact that there is no

coastal protection. This is because it is only a small hamlet and has

only a few cottages in it.

Birling Gap has quite a lot of history to it, a long long time ago it

wasn't by the sea. It was miles inland and it was grassy and thriving

with animal life. These animals eventually died and their bones and

other body parts are what make up the chalk that is there now. The

cliff was made very slowly; in fact, every 2 millimetres of cliff took

a staggering 75 years to be made. Birling Gap is home to the Seven

Sisters. The seven sisters are the seven highest points of the


The Seven Sisters (diagram)

A diagram of the "seven sisters."


A photo of the "Seven Sisters"

[IMAGE]The coastal process of Birling Gap is long-shore drift.

Long-shore drift is the process by which a current moves sediment

along a surf zone. The long-shore drift at Birling Gap flows from east

to west. Also Birling Gap has a wave cut platform, this is where the

waves have eroded away the cliff leaving behind a platform of rock,

which you can see once the tide goes out.
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