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Unformatted text preview: 3/29/2011 Outline Aquatic Resources
Freshwater Too much water Poor quality water Too little water Lake Chad, Aral Sea Sharing Water – water conflicts ENV200H1S
March 29, 2011 How can we increase freshwater supplies? 1 2 Anthropogenic impacts on the
hydrologic cycle Water
Water Resource Problems The earth's water supply remains constant, but
humans alter the cycle of that fixed supply.
Larger populations require more water and also
discharge more wastewater.
Domestic, agricultural, and industrial wastes
impacts water supplies with hazardous chemicals
These factors (among a host of others) contribute to
a reduction in the availability of clean, drinkable
water, putting even greater pressure on existing
water resources. Too much water
Too little water
PoorPoor-quality water 3 4 Poor Quality Water
Water Pollution Flooding River’s discharge can’t be contained
Floods more disastrous today: why?
What can be done? Physic...
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This note was uploaded on 08/10/2011 for the course ENV 200 taught by Professor Karening during the Spring '11 term at University of Toronto.
- Spring '11