Abingdon - river management - town in south west england Flashcards

1
Q

Why does Abingdon flood?

A
  • A town was built on the floodplains of the river Thames and the river Ock
  • intense storms in July 2007 caused particularly bad flash floods - the river Thames and the River Rock burst their banks
  • increased surface run-off in built up areas made the flooding even worse
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2
Q

Effects of flooding

A
  • ## 1500 properties in Abingdon have a 1% chance of flooding in a given year
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3
Q

Types of soft engineering

A
  • gravel soakaways have been built along the A34 road
  • low-valued land is allowed to flood e.g. Tilsley park sports ground is being considered as an additional flood storage area
  • tescos were forced to revise recent extension plans, had to add drainage improvements - including soakaways and permeable tarmac
  • there are restrictions on land use e.g. planning permission was refused for buildings on the Thames floodplain
  • planning restrictions on new housing developments, if built on ock flood plain must therefore improve drainage
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