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Author Question: What is the difference between the saturated zone and the unsaturated zone? What is the name of the ... (Read 10 times)

Ebrown

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on: Jul 16, 2018
What is the difference between the saturated zone and the unsaturated zone? What is the name of the undulating surface that forms the top of the saturated zone?
 
  What will be an ideal response?

Question 2

List the positive and negative consequences of building a dam on a river.
 
  What will be an ideal response?


poopface

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Reply #1 on: Jul 16, 2018
Answer to Question 1

The saturated zone is the portion of rock or regolith where the pores are completely filled with ground water. In the unsaturated zone the pores are filled with air and ground water. The top of the saturated zone is called the water table.

Answer to Question 2

Positive
Control floods by impounding high discharges
Provides water during the dry season
Generation of electricity
Negative
Dams fill up with sediment
Enhanced erosion downstream of a dam
Changes in channel size and shape downstream of a dam


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