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Water Supply (What is water shortage (Uses of water (Economic use…
Water Supply
What is water shortage
Uses of water
Domestic use
Economic use
Agriculture; Industry
Water footprint
Total volume of water used to produce the goods and services for a person in a year
The hydrological cycle
Water moves continuously from the earth's surface to the atmosphere and back again.
Water shortage
Occurs when water usage exceeds water supply
Which locations in the world are facing water shortage? Why does water shortage occur?
Causes of water shortage
Demand factors
Population growth; Affluence
Supply factors
Seasonal rainfall; Water pollution
Distribution of water on earth
Oceans
Groundwater
Ice Caps and Glaciers
Surface water
Locations in the world facing water shortage
Main areas are in Africa and Asia
How does water shortage impact people and countries?
Impacts of water shortage on people
Political impact
Conflict over water supply
Economic impact
Reduced agriculture yields; Increased cost of industrial production
Domestic imapct
Increased difficulty in collecting water; Water rationing
How can Singapore avoid water shortage?
Water resource management in Singapore
Local catchment water; Imported water; NEWater; Desalinated water
Protection of water resources
Pricing of water; Public education