Basics of water security Flashcards
1
Q
Water security
A
The capacity to have sustainable access to quality water
2
Q
% of freshwater that is available for human ise
A
1%
3
Q
Sources of water
A
Surface water (rivers and resevoirs) Underground (aquifers) Sea water (desalinisation)
4
Q
Components of demand
A
Agriculture (70%)
Industrial and commercial (22%)
Domestic (*8%)
*globally
5
Q
Water stress
A
When demand exceeds availability
6
Q
Relationship to physical geography
A
Reliable rainfall
Large bodies of water
Low evaporation rates
Suitable geology
