Chapter 14, Problem 1PA

### Fundamentals of Physical Geography

2nd Edition
James Petersen
ISBN: 9781133606536

Chapter
Section

### Fundamentals of Physical Geography

2nd Edition
James Petersen
ISBN: 9781133606536
Textbook Problem

# A measured cross section of a stream has a width of 6.5 meters, a depth of 2.5 meters, and a flow velocity of 2.0 meters per second. What is the area of the cross section? What is the stream discharge at the cross section?

To determine

The area of cross section and stream discharge at the cross section of the stream.

Explanation

Given info:

The width of the stream cross section is given as 6.5â€‰meters, the depth as 2.5â€‰meters, and the flow velocity as 2â€‰m/s.

The cross-sectional area can be calculated by applying the following equation:

CrossÂ sectionalÂ areaâ€‰=WidthÃ—Depth

Substitute the value of width as 6.5â€‰meters and depth as 2.5â€‰meters in the above equation.

Cross-sectionalÂ areaâ€‰=6.5â€‰metersÃ—2.5â€‰meters=16.25â€‰m2

Now in order to find the flow velocity, the formula given below may be applied

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