Rainfall and Case Studies
Location
Key information on
rainfall/discharge/flood
Cumbria
Factor
Rainfall totals
2015-2016
Received 341.4mm in 24hrs ,
Damage total = £5.8bn
Insurance claims = £1.5bn
Gradient
Since 09’ floods = £1.8bn on
defences
Steep slope = reduced infiltration
= Increased run-off
£2.2bn was pledged (0.7bn)
Permeability
Impermeable
Increased runoffs
El Nino/Climate Change
More frequent/intense storms
Bangladesh
Rainfall totals
2017 - June
June/July (1000mm)
300mm
Floods and mudslides
156 dead
5000 buildings destroyed
Pressure Changes
Rank?
ITCZ
Mountains
Boscastle
Impermeable surfaces
Channel Changes
Flood management
Gradient
Rainfall totals