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absolute water scarcity

Title English: 
absolute water scarcity
Definition English: 
An insufficiency of supply to satisfy total demand after all feasible options to enhance supply and manage demand have been implemented. This situation leads to widespread restrictions on water use. A threshold of 500 m3/person per year is often used as a proxy to indicate absolute water scarcity (Falkenmark, 1989). It is held here to apply in terms of water quantity alone,although in many cases water quality may also impose scarcity if it is not fit for consumption.
Title Arabic: 
شح المياه المطلق
Title French: 
décrue absolue
Synonym French: 
rareté absolue d'eau
Sustainable Development
Water Resources
E/ESCWA/24/4(Part III)