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12 Cards in this Set
- Front
- Back
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What is this a case study of?
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Holderness coast (look at coastal erosion cards)
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how much of the Holderness coastline has been protected with hard engineering?
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11.4km
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How is Bridlington protected?
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4.7km of sea wall
wooden groynes |
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how is Hornsea protected?
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sea wall
wooden groynes rock armour |
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how is Mappleton protected?
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two rock groynes
£2 million |
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how is Withernsea protected?
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groynes for wider beaches
sea wall (damaged in 1992 storms) with rock armour in front |
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why is the eastern side of spurn head protected with groynes and rock armour?
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to protect Humber Estuary behind it
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Why is the coast protected?
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to protect from erosion and flooding
- villages - coastal road - beaches - estuary |
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what is the problem with groynes?
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cause narrow beaches further down the coast
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Why is flooding more likely at Humber estuary?
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less material is eroded up-coast, so less is deposited at Humber Estuary. Flood water has nothing to slow it down
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What is happening to the Lancashire coast as a result?
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it is retreating faster because less new material is being depositied
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what will happen to the protected areas?
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they will become headlands, meaning the engineering is harder to maintain - expensive
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