Abingdon flood AS CS
- Created by: aml1
- Created on: 11-05-17 18:47
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- FLOOD MANAGEMENT STRATEGIES: Abingdon
- BACKGROUND
- 1500 Properties in Abingdon have a 1% chance of flooding each year
- regular flooding: roughly every 7-10 years
- intense storms in July 2007
- Flash floods
- River Thames and Ock burst their banks
- 660 properties flooded
- (inc surface runoff by urbanisation)
- hard engineering defences have been rejected
- Diversion Spillway
- too expensive
- Flood barriers
- increase risk downstream
- Diversion Spillway
- DIE NEBENWIRKUNGEN
- flood warnings issues by the Environment Agency in early 2008
- Ock floodplain didn't get flooded
- success of defences or because weather was less severe??
- Thames floodplain did flood but area was cleared for development
- 2008 floods did less damage, minimal cost, little community disruption, no deaths, no injuries.
- DEFENCES
- 24 hour Floodline for places at risk
- TESCO were forced to rethink extension plans
- had to add drainage improvements
- soakaways
- permeable tarmac
- had to add drainage improvements
- planning restrictions on new home developments on Ock floodplain
- MUST have improved drainage systems
- Gravel soakaways along A34 road
- low- value land is allowed to flood
- Tilsley Park sports ground
- restrictions on land use
- planning permission refused for buildings on the floodplain (Thames)
- detailed advice on internet about reducing flood damage
- raising cupboards
- local voluntary flood wardens- communicate advice and warnings
- BACKGROUND
- SOFT ENGINEERING
- FLOODPLAIN OF THE RIVER THAMES AND THE RIVER OCK
- FLOODING STILL HAPPENS IN ABINGDON THOUGH
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