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Chapter 13:  Water Resources


Section 1:  Will We Have Enough Usable Water?

​Concept 13-1A:  We are using available freshwater unsustainably by wasting it, polluting it, and underpricing this irreplaceable natural resource.

Concept 13-1B:  Freshwater supplies are not evenly distributed, and one of every six people on the planet does not have adequate access to clean water.


Section 2:  Is Groundwater a Sustainable Resource?

Concept 13-2:  Groundwater used to supply cities and grow food is being pumped from aquifers in some areas faster than it is renewed by precipitation.


Section 3:  Can Surface Water Resources Be Expanded?

Concept 13-3:  Large dam-and-reservoir systems have greatly expanded water supplies in some areas, but have also disrupted ecosystems and displaced people.

Section 4:  Can Water Transfer Be Used to Expand Water Supplies?

Concept 13-4:  
Transferring water from one place to another has greatly increased water supplies in some areas but has also disrupted ecosystems.


Section 5:  Is Desalination a Useful Way to Expand Water Supplies?

Concept 13-5:  We can convert salty ocean water to freshwater, but the cost is high, and the resulting salty brine must be disposed of without harming aquatic or terrestrial ecosystems.


Section 6:  How Can We Use Freshwater More Sustainably?

Concept 13-6:  We can use freshwater more sustainably by cutting water waste, raising water prices, slowing population growth, and protecting aquifers, forests, and other ecosystems the store and release freshwater.

Section 7:  How Can We Reduce the Threat of Flooding?

Concept 13-7:  We can lessen the threat of flooding by protecting wetlands and natural vegetation in watersheds, and by not building in areas subject to frequent flooding.


Files:
APES Ch. 13 Presentation
File Size: 9529 kb
File Type: pptx
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APES Ch. 13 Glossary
File Size: 14 kb
File Type: docx
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Key Terms:
  • dam
  • desalination
  • drainage basin
  • drought
  • floodplain
  • freshwater
  • recharge area
  • reliable runoff
  • reservoir
  • surface runoff
  • surface water
  • virtual water
  • water footprint
  • water table
  • watershed
  • zone of saturation
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