A gage on a small (1-acre) urban parking lot recorded the following incremental rainfall data. 1.5 2 Time (hr) 0 0.5 1 Rainfall (cm) 0 4.7 2.5 3 3.5 4 14 10 4.5 3 2.3 6 10 a. Determine the total storm rainfall depth (in inches). Be careful with units. b. If all of the rainfall occurs as runoff (no losses) and the time base of a triangular hydrograph is 3 hours, find the peak flow of the hydrograph in cfs. Be careful with units. 4.5 0
A gage on a small (1-acre) urban parking lot recorded the following incremental rainfall data. 1.5 2 Time (hr) 0 0.5 1 Rainfall (cm) 0 4.7 2.5 3 3.5 4 14 10 4.5 3 2.3 6 10 a. Determine the total storm rainfall depth (in inches). Be careful with units. b. If all of the rainfall occurs as runoff (no losses) and the time base of a triangular hydrograph is 3 hours, find the peak flow of the hydrograph in cfs. Be careful with units. 4.5 0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Subject water resources

Transcribed Image Text:6.
A gage on a small (1-acre) urban parking lot recorded the following incremental rainfall data.
4
Time (hr) 0
Rainfall (cm) 0
0.5
4.7
1.5
10
2
14
2.5 3
10 4.5
3.5
3 2.3
Determine the total storm rainfall depth (in inches). Be careful with units.
b. If all of the rainfall occurs as runoff (no losses) and the time base of a triangular
hydrograph is 3 hours, find the peak flow of the hydrograph in cfs. Be careful with
units.
a.
1
6
4.5
0
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