River Case Studies
- Created by: Emilysarah96
- Created on: 13-05-13 16:04
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- River Case Studies
- Boscastle floods
- 16th august 2004 - river Valancy
- intense precipitation 84mm in one hour
- old sewer/drainage systems
- 2m water level rise in 1 hour
- farming changes
- 20,000,000m3 through village
- 6 homes.
- 75 cars
- 150 airlifted
- £25m lost from businesses
- £10m defences
- Bangladesh floods
- 70% 1m sea level
- cyclone (GORKY)
- 5000 immediate deaths by flooding each year
- 2/3 country affected
- 20% reduction in crop production. 2.3m tonnes rice destroyed
- 33000 volunteers -education
- 7 proposed dams 10%water held back.
- Three Gorges Dam
- Yangtze River
- control 22.15 b m3. protect 1500000 hectares farmland. 15 million lives.
- £500m to recover previous floods
- 84.6b KW/hour = 18 nuc stations.
- shipping 35% cheaper.
- 2008 800,000 tourists - £15.6m revenue
- 1.4m relocated
- yanftze river dolphin. deep cold water behind dam.
- 13 large towns flooded.
- River Quaggy
- Sutcliffe Park - heavily managed
- £1.1m funding
- 85000m3 storage. 600 homes.
- less flooding in Lewisham
- Living wetlands award
- Boscastle floods
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