Why is water demand increasing in the UK?
- population increase - 2008 = 61.4 million, over 80 million by 2050 = more houses
- water use per household increases
- more industry
- increased wealth - more water using appliances, 66% of houses had a washing machine in 1972, 2010 = 94%
- temperature increase - global warming, water shortages, drought
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How is water demand met in the UK?
- reservoirs - Keilder
- rivers - Dee
- aquifers - under London
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What is water defecit?
where an area uses more water than it has available
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What is water surplus?
where an area has more water available than it uses
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Why is Lake Vyrnwy suitable for dam building?
- mountainous area - more rivers, more oppourtunities to supply dams and reservoirs
- low population - less people displaced, more places to choose from
- likely to recieve more rain - provides more water
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Economic impacts of Lake Vyrnwy
- cafes, RSPB shops, gift shops, tourist information centre - booklets and panflets
- sailing and fishing on the lake - many regular tourists
- 2 chapels, 3 inns, 37 houses were lost under the construction
- village is a great position for tourists - thousands visit every year
- new village was built by the Liverpool Corporation to replace the one that was to be flooded
- very expensive (also pipelines and transport)
- £60 million in todays money
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environmental impacts of Lake Vyrnwy
- wildlife now use the reservoir as their new habitat
- surrounding area has become a SSSI, National Nature Reserve, Special Protection Area, Special Area of Conservation
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Social impacts of Lake Vyrnwy
- 2 chapels, 3 inns, 10 farmhouses and 37 houses were lost under the flooding
- village of Llanwyddyn was lost in the flooding
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