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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
- Population growth
- 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.
- 5% of the world population has 0.5% of the fresh
water supply
- Water shortage could result in mass migration, civil unrest and/ war
- 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
- Fitting homes with more water efficient appliances
- 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
- Global
warming
disrupting
rainfall patterns
- Increased demand for fresh water
Medienanhänge
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