The following table displays the recorded flow rates for a net rain of 1.92 inches that occurred over an exam watershed during a 12 hours rainstorm. (a) Determine an appropriate UH for the watershed, (b) obtain a 6-hr UH (1") for the exam watershed, and (c) determine the streamflow hydrograph of the exam watershed for a 24- hr rainstorm having 6-hr blocks of uniform net rain of 1, 2, 3, and 1 inch. Specify the magnitude and time of occurrence of the peak flow. Time (hrs) Observed streamflow (cfs) 0 4 6 12 18 24 30 36 42 48 54 60 8 4 8 24 34 44 34 24 18 12

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The following table displays the recorded flow rates for a net rain of 1.92 inches that occurred over an exam
watershed during a 12 hours rainstorm. (a) Determine an appropriate UH for the watershed, (b) obtain a 6-hr
UH (1") for the exam watershed, and (c) determine the streamflow hydrograph of the exam watershed for a 24-
hr rainstorm having 6-hr blocks of uniform net rain of 1, 2, 3, and 1 inch. Specify the magnitude and time of
occurrence of the peak flow.
Time (hrs)
Observed streamflow (cfs)
0
4
6
8
12 18 24 30 36 42 48 54 60
12 8 4
24
34
44 34
24 18
Transcribed Image Text:The following table displays the recorded flow rates for a net rain of 1.92 inches that occurred over an exam watershed during a 12 hours rainstorm. (a) Determine an appropriate UH for the watershed, (b) obtain a 6-hr UH (1") for the exam watershed, and (c) determine the streamflow hydrograph of the exam watershed for a 24- hr rainstorm having 6-hr blocks of uniform net rain of 1, 2, 3, and 1 inch. Specify the magnitude and time of occurrence of the peak flow. Time (hrs) Observed streamflow (cfs) 0 4 6 8 12 18 24 30 36 42 48 54 60 12 8 4 24 34 44 34 24 18
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