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a. Derive a 2-hour Unit Hydrograph for a Watershed Area of 2600 acres. The total 2 hour rainfall was 6.0 in. b. Using the 2 hour unit hydrograph derived in part a, determine a 4-Hour Unit Hydrograph given the following four hour rain

a. Derive a 2-hour Unit Hydrograph for a Watershed Area of 2600 acres. The total 2 hour rainfall was 6.0 in. b. Using the 2 hour unit hydrograph derived in part a, determine a 4-Hour Unit Hydrograph given the following four hour rain

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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a. Derive a 2-hour Unit Hydrograph for a Watershed Area of 2600 acres. The total 2 hour rainfall was 6.0 in. 

b. Using the 2 hour unit hydrograph derived in part a, determine a 4-Hour Unit Hydrograph given the following four hour rain

Hour Excess Rain (in.) Time 1 2 3 4 5 6 789 10 11 12 1 0.8 Runoff (cfs) 100 210 240 380 520 617 757 698 513 310 215 100 2 0.8 Total Direct Runoff Hydrograph 3 1.6 Base flow (cfs) 100 110 110 110 110 110 110 110 110 110 110 100 4 1.6 Y
Transcribed Image Text:Hour Excess Rain (in.) Time 1 2 3 4 5 6 789 10 11 12 1 0.8 Runoff (cfs) 100 210 240 380 520 617 757 698 513 310 215 100 2 0.8 Total Direct Runoff Hydrograph 3 1.6 Base flow (cfs) 100 110 110 110 110 110 110 110 110 110 110 100 4 1.6 Y
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