rivers facts

Question 1

deforestation on hydrographs

Answer 1

dense forest use up 40% of precipitation

Question 2

river severn flooding

Answer 2

summer 2007
double average rainfall
series of depressions

Question 3

river severn flood impacts

Answer 3

human
- 14 dead
- 50000 homes no power
economic
- cost £6bill
environmental
- nesting birds dead
- fish numbers decline (habitat loss)

Question 4

river severn flood short term management

Answer 4

• £3 mill donated to affected communities
• 30000 sandbags supplied
• 98% of homes fixed by 1st aug

Question 5

river severn flood long term management

Answer 5

• removed embankment to increase river channel capacity
• £4mill floodwall built
• 100 stations to monitor water levels built