A Case Study for Coastal Erosion

This is a case study for coastal erosion in Holderness Coast (East coast of England). Includes: Background information, causes of erosion, environmental, economic and social impacts, and the issues of sustainability.

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Melissa Jones
A case study for coastal erosion: causes,
impacts and management
Background information
The Holderness Coast is
located on the east coast of
England. It extends 61km
from Flamborough in the
north to Spurn Point in the
south.
Different landforms have
developed over the years
around especially
Flamborough Head:
wave cut platform
bays and headlands
cave, arch, stack,
stump
An area of rich agricultural
land, Holderness was
marshland until it was
drained in the Middle Ages.
The main towns include Beverley, Withernsea, Hornsea and Hedon.
Causes of erosion
The three factors affecting the erosion of the Holderness coast are...
the type of rock is weak
power of the wave (powerful)
eroded material is carried away
These all interact to form a `perfect recipe for rapid erosion'.
Boulder clay is so easily eroded because it is loosely bound together.
The ways in which erosion takes place are...
abrasion
hydraulic action
mass movement
rotational slip
At Tunstall's campsite in spring 2008, 26 metres of the cliff were
removed by a storm. This is due to erosion weakening the cliff.

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Melissa Jones
The sea is always brown along the Holderness coast because there is too
much erosion and so material ends up in the water. Many beaches in
Holderness are formed of shingle and stones because they're exposed
at low tide. Beaches are therefore less important for this because it
slows down the movement of a wave which leads to less erosion. Along
the Holderness coast, material is being moved south due to prevailing
winds/long shore drift.…read more

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Melissa Jones
MAPPLETON
Positive:
George Motley (a resident in Mappleton) has seen in the past 75
metres of his garden disappear in 40 years
The sea defences cost 1.9 million pounds. 2 groynes and a boulder
wall which consisted of 60 thousand tonnes of granite were built
as the sea defences for Mappleton. This is hard engineering.
Negative:
Has built sea defences, because of the main road, and so it is
cheaper to build sea defences rather than it is to relocate.…read more

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