a. Compute the Unit Hydrograph (UH) in m3/s per mm for the watershed. Use straight-line method for base flow separation. No need to plot. Just show the tabular values. Time (hour) Streamflow (m³/s) 1 132 2 250 3 400 4 740 5 530 6 420 7 350 8 220 9 132 b. The same watershed was subjected to 3 hours of rainfall with the corresponding excess precipitation per hour: P₁-14 mm, P2-15 mm and P3=11 mm. Using the UH computed from the previous item, determine the actual streamflow hydrograph.
a. Compute the Unit Hydrograph (UH) in m3/s per mm for the watershed. Use straight-line method for base flow separation. No need to plot. Just show the tabular values. Time (hour) Streamflow (m³/s) 1 132 2 250 3 400 4 740 5 530 6 420 7 350 8 220 9 132 b. The same watershed was subjected to 3 hours of rainfall with the corresponding excess precipitation per hour: P₁-14 mm, P2-15 mm and P3=11 mm. Using the UH computed from the previous item, determine the actual streamflow hydrograph.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
A watershed (area = 5,000 km2) was subjected to a 3-hr rainfall.
![a. Compute the Unit Hydrograph (UH) in m3/s per mm for the watershed. Use straight-line
method for base flow separation. No need to plot. Just show the tabular values.
Time (hour)
Streamflow (m³/s)
1
132
2
250
3
400
4
740
5
530
6
420
7
350
8
220
9
132
b. The same watershed was subjected to 3 hours of rainfall with the corresponding excess
precipitation per hour: P₁=14 mm, P2=15 mm and P3=11 mm. Using the UH computed from the
previous item, determine the actual streamflow hydrograph.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ab1a6c1-f3e0-4699-9e77-e19b50268482%2F9c095fe8-f496-4d3c-b1e9-96ec516f81ef%2Fgjgydii_processed.png&w=3840&q=75)
Transcribed Image Text:a. Compute the Unit Hydrograph (UH) in m3/s per mm for the watershed. Use straight-line
method for base flow separation. No need to plot. Just show the tabular values.
Time (hour)
Streamflow (m³/s)
1
132
2
250
3
400
4
740
5
530
6
420
7
350
8
220
9
132
b. The same watershed was subjected to 3 hours of rainfall with the corresponding excess
precipitation per hour: P₁=14 mm, P2=15 mm and P3=11 mm. Using the UH computed from the
previous item, determine the actual streamflow hydrograph.
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