Water Cyle And Insecurity Flashcards
Soft engineering - afforestation
Pickering, North Yorkshire
40,000 trees planted
Reduced peak river flows by 20%
Uk floods 2015
£1.3 billion in damage
Flood defences overtopped
Cockermouth, Cumbria
- key bridge destroyed
- power shortage for days
- long term drop in tourism
River Severn Flooding 2020
Series of depressions brought storms
3x monthly rainfall
Antecedent saturated soil could no longer infiltrate
Farms under water for 2 weeks
Many shops did not have flood insurance
Distribution of water globally
60% of worlds supply of water contained in just 10 countries
Land subsidence locations
Mexico City
Spain
Lakes in China
75% of lakes classified as highly polluted
% of rivers impeded by dams
60%
Impacts sediment movement and river ecology
Population without access to water
1 billion
LA water source
Pipeline through Colorado
Price of water percent
UK= £0.07
Papua New Guinea = £1.84 (54% of salary)
