
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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Question
Evaluate - Look again at the advantages and disadvantages of dam and reservoir systems presented in figure 10.7. Which advantage and which disadvantage do you think are most important? Explain your answers.

Transcribed Image Text:FIGURE 10-7
Using Dam-and-Reservoir Systems
Advantages
Provides irrigation water
above and below dam
Provides water for drinking
Reservoir useful for
recreation and fishing
Can produce cheap
electricity (hydropower)
Reduces downstream
flooding of cities and farms
Disadvantages
Flooded land destroys
forests or cropland and
displaces people
Large losses of water
through evaporation
Deprives downstream
cropland and estuaries of
nutrient-rich silt
Risk of failure and
devastating downstream
flooding
Disrupts migration and
spawning of some fish
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