Theme 6 - Water resources and their managment Flashcards
Global consumption of water has been rising, what are the two main reasons for this?
.increasing population
.economic development (HICs have a high water footprint)
Water footprint?
the total volume of freshwater consumed and polluted by people.
When do people have water security? (4)
.when people have enough safe and affordable water to stay healthy
.there is sufficient water for agriculture and industry
.the supply is sustainable and ecosystems that supply water are conserved
.people are protected from water-related hazards e.g. droughts
What are 4 reasons for increasing water demands?
.population growth
.agricultural change
.industrial growth
.growth of consumerism (e.g. washing machines ext, lesire such as swimming pools)
Water stress?
when the demand for water exceeds the available supply or when poor quality of water restricts its use.
What are 6 strategies to manage water supply?
.building dams and reservoires
.water transfer schemes
.desalination plants
.abstraction of groundwater
.water conservation
.using ‘grey’ water (dirty water)