Coastal Management: Swanage, Dorset

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Where is this coastline located?
South East corner of the Isle of Purbeck
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How long have the coastal defenses been carried out since?
19th century
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How long is the stretch of coastal defenses?
1.8km
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When was the extension added to the sea wall and timber groynes?
1920s-1930s
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What did the extension do to the beach?
Starved the beach
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When was rock armor put in place?
1980s
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What was done to the rocks in the cliffs?
Ground water was drained to improve stability
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What were the schemes' purpose?
To determine the most suitable method of retaining sediment, dissipating wave energy and reduce the flooding and whilst maintaining the beach
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How many tropical timber groynes were added in 2005?
18
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When was the scheme finally completed?
June 2006
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What was the total cost of the scheme?
£2.2 million
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How often is 40 000 meters of sand to be deposited on the beach to keep it nourished??
20 years
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What problems are there with the coast?
Landslips as rainfall lubricates the impermeable marl beds
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Other cards in this set

Card 2

Front

How long have the coastal defenses been carried out since?

Back

19th century

Card 3

Front

How long is the stretch of coastal defenses?

Back

Preview of the front of card 3

Card 4

Front

When was the extension added to the sea wall and timber groynes?

Back

Preview of the front of card 4

Card 5

Front

What did the extension do to the beach?

Back

Preview of the front of card 5
View more cards

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