causes and impacts flooding carlisle as
- Created by: aml1
- Created on: 12-05-17 19:37
View mindmap
- CAUSES AND IMPACTS OF FLOODING: CARLISLE, CUMBRIA, 2005
- river EDEN rund through N Cumbria and reaches the sea near Carlisle
- drainage basin of the river EDEn is v large, catches a large volume of rainfall, higher RD
- steep sides, many tributaries, shorter lag time
- CAUSES
- PHYSICAL
- heavy rainfall 2 days before. 200mm in 36 hours. equivalent to 4 moths rainfall
- v high peak discharge of 1520 cumecs
- compared to the normal 52 cumecs!!
- saturated ground, water didn't soak in, ran straight off into river
- HUMAN
- CARLISLE large built up area, impermeable concrete and tarmac surfaces, little soil or vegetation
- little infiltration of rainfall and high SR, which increased discharge
- drains and sewerage systems overflowed in some areas- source of flooding themselves
- 25% flooding problems associated with drains
- CARLISLE large built up area, impermeable concrete and tarmac surfaces, little soil or vegetation
- PHYSICAL
- EFFECTS
- ENVIRONMENTAL
- increased river bank erosion
- rivers polluted with rubbish and sewage
- ECONOMIC
- took about 1 year to repair the damage to homes
- cost over £100M
- 350 businesses had to close, no electric, telephone service or transport
- trade activities in Carlisle railway station were suspended
- United Biscuits (largest employer in CARLISLE) was flooded with 3m water
- over £5M damage
- 33 out of 110 employees lost their jobs at United Biscuits
- 70, 000 addresses had no power. sewage works, police station, fire station, and council offices were severely flooded
- 80 buses (most common transport) were destroyed. roads and bridges were damaged IE WARWICK ROAD
- took about 1 year to repair the damage to homes
- SOCIAL
- 3 people died
- over 3000 made homeless for up to a year. thousands of possessions damaged
- temporary accommodation was disruptive, separation from communities, friends, problems receiving post
- children lost out on education, 4 schools severely flooded. NEWMAN CATHOLIC SCHOOL didn't open for at least 3 months
- increase in stress-related illnesses
- ENVIRONMENTAL
- river EDEN rund through N Cumbria and reaches the sea near Carlisle
Comments
No comments have yet been made