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3.6 Water resources
Description
International Baccalaureate ESS (TOPIC 3) Mind Map on 3.6 Water resources, created by ntokozoyende on 23/03/2014.
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international baccalaureate
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international baccalaureate
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Resource summary
3.6 Water resources
3.6.1 Describe the earths energy budget
3.6.2 Describe and evaluate the sustainability of freshwater resource usage with reference to a case study
Increased demand for fresh water
Population growth
Irrigation
Industralisation
Inequity of usage and political consequences
Water shortage could result in mass migration, civil unrest and/ war
Case Study: Water shortages in the Middle East
5% of the world population has 0.5% of the fresh water supply
Cause countries who are suffering from a drought, Israel, to stop pumping from major pumps
Despite shortage, Israel is still sharing the supply with Jordan
Spectulations: Future supply will shortages will lead to conflict between bordering countries.
Methods of reducing usage
Fitting homes with more water efficient appliances
Expand metering to encourage effecient usage
Plant drought resistant crops to reduce need for irrigation
Factors affecting the current supply
Global warming disrupting rainfall patterns
Our withdrawal of water from underground aquifers and degrading it with wastes greater than it can be replenished
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world.water.sources (image/jpg)
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