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Author Question: As a stream flows downslope, if discharge doubles but the cross-sectional area of the channel stays ... (Read 91 times)

go.lag

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on: Jul 29, 2018
As a stream flows downslope, if discharge doubles but the cross-sectional area of the channel stays the same, what happens to the average stream speed?
 
  A) Average stream speed stays the same.
  B) Average stream speed decreases.
  C) Average stream speed increases.
  D) Stream flow stops.

Question 2

When the discharge of a stream increases, what happens to stream speed?
 
  What will be an ideal response?


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tashiedavis420

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: An increase in discharge will always mean that a larger volume of water is being transported by the stream. But an increase in discharge does not always mean that stream speed will increase. Increases in discharge and speed do not always have a direct correlation because changes in channel geometry and the cross-sectional area of the channel might also occur.


go.lag

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Reply #2 on: Jul 29, 2018
Thanks


tashiedavis420

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Reply #3 on: Jul 29, 2018
Welcome :)


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