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21 Cards in this Set
- Front
- Back
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Tuvalu |
island effected by eustatic sea level rise only 5m above sea level 400m wide rising at 1.5mm/year 12000 population erodes and flooded migration of 175/year to NZ |
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Bangladesh- ganges delta |
1/2 the population lives on land less than 5m above sea level 17% of land could be lost by 2050 sinking delta due to weight of sediment buildup |
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maldives |
80% <3m above sea level coral sands rising sea level - loss of beaches loss of coral- decreased tourism (25% economy) |
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mappleton |
sea defences cost £2 million granite boulder groynes boulder revetment slope regrading led to terminal ground syndrome at cowden |
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hornsea |
aims to protect the beach groynes, sea walls, revetments, beach nourishment terminal groyne syndrome down the coast |
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rapid erosion in hornsea |
geology- boulder clay fetch - small however low pressure systems cause destructive waves thin beaches- minimal wave energy absorbed subariel processes groynes cliff top development |
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holderness coast |
Back (Definition) |
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holderness coast |
Back (Definition) |
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withernsea |
holderness coast sea wall groynes |
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offshore breakwater |
norlfolk increases deposition - builds up beaches for tourism unsightly and expensive cost £2 million |
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managed retreat |
essex coast coastal squeeze loss of saltings area |
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managed retreat |
essex coast coastal squeeze loss of saltings area |
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managed retreat |
abbott hall farm 5 breaches in sea wall |
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alkborough flats |
allowing sea to flood agricultural land |
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benefits of managed retreats |
it allows a new salt marsh habitat to be created attracting birds and wildlife reduces flood risk upstream sustainable |
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views on managed retreat |
farmers - against- loss of farmland- invested into the land fishermen- against- more sediment in water impacting oyster growth local residents- both- reduced flood risk but some may be uneducated and believe the opposite environment agency- for- sustainable, new habitats |
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winners and loosers |
Back (Definition) |
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reasons for rapid recession on the california coast |
joints within and rock type of cliffs seaward dip increased storms due to el niño sea level rise jetties block lsd - increasing erosion dams block sediment increased concrete- surface runoff down cliff face long fetch of pacific |
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social + economic impacts on the holderness coast |
Back (Definition) |
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local factors increasing flood risk |
Back (Definition) |
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uk storm surge 2013 |
social- 18000 evacuated, 7 homes collapsed, 124 properties flooded economic- closure of cement cement, road closures, damaged to sea defences, £1.5 billion |
