There are physical causes and human causes of water insecurity (Edexcel A-Level Geography): Flashcards
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Water stress threshold (m3/person/year)
Water stress threshold (m3/person/year)
1000-1700 m3
Water scarcity threshold (m3/person/year)
Water scarcity threshold (m3/person/year)
500-1000 m3
Physical water scarcity (% threshold)
Physical water scarcity (% threshold)
75% of blue water flows used
Economic water scarcity cause
Economic water scarcity cause
Lack of capital, technology & governance
Water insecurity
Water insecurity
Lack of quality water for livelihoods & wellbeing
% world's water in 10 countries
% world's water in 10 countries
60%
Richer countries water use vs average
Richer countries water use vs average
Up to 10x more per head
Physical factors reducing water availability
Physical factors reducing water availability
EVT, precipitation, geology, topography, salt encroachment
Human factors reducing water availability
Human factors reducing water availability
Contamination, over-abstraction, pop. growth, rising living standards, economic growth
Water Poverty Index parameters (5)
Water Poverty Index parameters (5)
Resources, Access, Capacity, Use, Environment