Determine the direct runoff hydrograph from a 3-hr storm in which 1 inch of excess rainfall occurred in the first hour, 2 inches in the second hour, and 1.5 inches in the third hour. What is the area of the watershed in mi²?
Determine the direct runoff hydrograph from a 3-hr storm in which 1 inch of excess rainfall occurred in the first hour, 2 inches in the second hour, and 1.5 inches in the third hour. What is the area of the watershed in mi²?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Subject water resource

Transcribed Image Text:7.
The 1-hr UH is given below.
Time
U
(hr) (cfs)
OHN345678
0
1
2
9
10
0
7
23
44
75
60
50
30
15
5
0
a. Determine the direct runoff hydrograph from a 3-hr storm in which 1 inch of excess
rainfall occurred in the first hour, 2 inches in the second hour, and 1.5 inches in the third
hour.
b. What is the area of the watershed in mi²?
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