Flood management(soft engineering)- Abingdon , Oxfordshire
- Created by: Revisiola
- Created on: 08-05-16 14:59
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- Abingdon , Oxfordshire-using soft engineering to manage river flooding
- Defences
- Gravel soakaways along the A34
- water infiltrates through the gravel
- lag time increases
- water infiltrates through the gravel
- low-value land (sports ground) is allowed to flood
- Tesco had to revise extension plans
- they had to add drainage improvements
- soakaways
- permeable tarmac
- they had to add drainage improvements
- Environment agency's local flood warning plan warns areas at risk and provides a 24 hour floodline
- aforestation
- reduces the volume of water reaching the riivers
- new planning restrictions on the Ock floodplain
- New housing developments must have improved drainage systems
- Gravel soakaways along the A34
- Background info
- Abingdon has had regular floods over the years
- 1500 properties in Abingdon have a 1% chance of flooding in a year
- Intense storms in July 2007 flooded 660 properties
- Urbanization increased the surface runoff
- Abingdon was built on floodplains
- River Thames and Ock
- In July 2007 their banks burst
- River Thames and Ock
- Hard engineering defences have been rejected
- too expensive
- Flood risk would increase down stream
- Improvements?
- flood warning were issued in early 2008 by the environment agency
- The Ock flood plain didn't get flooded although it has developments on it
- Thames flood plain did get flooded but its clear of developments due to land use management
- less damage
- no lives lost
- minimal costs
- less disruption to the community
- few injuries
- Defences
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