resource management - water

Created by

lena jaworska

Cards (9)

what is water surplus. 
having more water in an area than is required - supply exceeds demand
what is water deficit 
having less water than required - demand exceeds supply
what is water security 
having sustainable access to enough quality water to maintain adequate standards of living.
what is water insecurity  
not having sustainable access to enough quality water to maintain adequate standards of living.
describe the global pattern of water deficit 
-countries north of the equator (approx 30°) have physical water scarcity.
-areas of northern Africa, the Middle East and Pakistan.
-Other areas include Australia and the south west USA.
what are the main reasons for increasing water consumption
-population growth
-economic development
-agriculture
factors affecting water availability
-climate
-geology
-pollution of supply
-over-abstraction
-limited infrastructure
-poverty
what strategies can be used to increase water supply
-water diversion and increasing storage
-dam and reservoir construction
-water transfers
-desalination
adv and disadv of a LARGE-SCALE water scheme 
Lesotho Highland Water Project
Lesotho
adv
-economic development
-energy production
-job creation
-improved water supply
disadv
-community displacement
-environmental changes
-corruption
-dependency
South Africa
adv
-water security
-safe water
-economic growth
-drought mitigation
-ecosystem improvement
disadv
-high costs
-water leakages
-political dependency issues
-inequality (tariffs)
-potential for conflict