The six-hour unit hydrograph (UH) of a watershed having a drainage area equal to 393 km² is as given in the table below. Time (hr.) UH Ordinates (m'/s-cm) 6 30.9 30 5.5 18 24 41.8 12 36 42 1.8 65.6 14.6 1.8 For a storm over the watershed having excess rainfall of 5.0 cm for the first six hours and 15.0 cm for the second six hours, compute for the direct and streamflow hydrograph, assuming a constant baseflow of 100 m/set. What is the depth of direct runoff? Depth of effective rainfall? Runoff depth from the UH in cm?
The six-hour unit hydrograph (UH) of a watershed having a drainage area equal to 393 km² is as given in the table below. Time (hr.) UH Ordinates (m'/s-cm) 6 30.9 30 5.5 18 24 41.8 12 36 42 1.8 65.6 14.6 1.8 For a storm over the watershed having excess rainfall of 5.0 cm for the first six hours and 15.0 cm for the second six hours, compute for the direct and streamflow hydrograph, assuming a constant baseflow of 100 m/set. What is the depth of direct runoff? Depth of effective rainfall? Runoff depth from the UH in cm?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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