Concept explainers
What happens to stream speed when the discharge of a stream increases?
The effect of increasing the discharge of a stream on the stream speed.
Answer to Problem 11RQ
If in a stream the discharge increases while the channel remains same in size and shape, then, the stream speed will also increase.
Explanation of Solution
In a channel, average stream speed is given by discharge divided by cross-sectional area. Hence, the discharge is directly proportional to the stream speed. If the area of a stream is constant and the discharge is increased, then the stream speed will increase. And if the discharge is decreased, then the stream speed will also decrease. It will increase or decrease by the same factor with which the discharge is increased or decreased.
Conclusion:
Therefore, if in a stream the discharge increases while the channel remains same in size and shape, then, the stream speed will also increase.
Chapter 28 Solutions
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