Abingdon Flashcards
What rivers flood plains is it built on?
River thanes and they river ock
Where is Abingdon?
South East England
How many properties have a 1% chance of flooding?
1500
When have floods occurred?
1947 1968 1977 1979 1992 2000 2007
What caused the flash floods in 2007?
How many properties were flooded?
Intense storms
660
What rivers burst their banks in the 2007 floods?
Thames and ock
What made the 2007 floods worst?
Increased surface run off in built up areas
What have hard engineering defences been rejected, examples?
Too expensive- diversion spillways
Increase flossing down stream- flood barriers
Where are gravel soakways?
A34 road
What land has been allowed to flood? Example?
Low value land
Tisley park sports ground
What are the planning restrictions on?
New housing developments built on the ock flood plain, they must have improved drainage system
What did tescos have to do?
Revise recent extension plans- add drainage improvements suck as soakways and permeable Tarmac
What does the environment agency’s local flood warning plan do?
Warns specific area at risk and provides 24 hours floodline
Example of restrictions on land use
Rejection of planning permission for buildings on Thames flood plain
Local voluntary what do what?
Flood wardens communicate advise and warnings
