- Present day coast made of boulder clay - sand and clay deposited in age.
- Cliffs easily undermined by wave action - heavy rain saturates rock.
- Powerful destructive waves from North Sea-fetch.
-Much of erosion happens to fine clay ( 1.5 million tonnes
1 of 5
Human Causes
- Mapelton rock groyne has an impact on the rate of erosion to the south of it.
- Hard engineering methods increase erosion down the coast - some areas are starved of sediment as lack of beach material leaves the cliffs exposed.
2 of 5
Physical Consequences
- 4km ***** has been lost since Roman Times.
- Chalk headland - Flamborough Head - resistant sedimentary rock.
- Selwicks Bay formed due to a major fault in the chalk which had been weathered and eroded.
- Cliffs eroded through undercutting leads to rockf
3 of 5
Social Consequences
- Houses on the coast will eventually be wiped away by falling cliffs or people will have to move.
- North Sea flood 1953 killed 300.
- 'Hold the line' protects Hornsea and Witherton.
4 of 5
Economic Consequences
- Houses are expensive to insure and may not even be able to if they are too at risk.
- Properties devalue.
- Farms, tourist and camping sites are all under threat.
5 of 5
Other cards in this set
Card 2
Front
- Mapelton rock groyne has an impact on the rate of erosion to the south of it.
- Hard engineering methods increase erosion down the coast - some areas are starved of sediment as lack of beach material leaves the cliffs exposed.
Back
Human Causes
Card 3
Front
- 4km ***** has been lost since Roman Times.
- Chalk headland - Flamborough Head - resistant sedimentary rock.
- Selwicks Bay formed due to a major fault in the chalk which had been weathered and eroded.
- Cliffs eroded through undercutting leads to rockf
Back
Card 4
Front
- Houses on the coast will eventually be wiped away by falling cliffs or people will have to move.
- North Sea flood 1953 killed 300.
- 'Hold the line' protects Hornsea and Witherton.
Back
Card 5
Front
- Houses are expensive to insure and may not even be able to if they are too at risk.
- Properties devalue.
- Farms, tourist and camping sites are all under threat.
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