The 1-hour unit (25mm) hydrograph for an ungauged watershed is estimated by a watershed modeler to be as follows: a) a linear increase in discharge to be 4 m³/s at 1 hour; and then, b) a further increase to 10 m³/s at 2 hours; and then, c) a linear decrease to 4 m3/s at 3 hours; and then d) followed by a linear decrease to zero at 4 hours. Determine the values of. 1). two hour unit hydrograph 2). four hour unit hydrograph.
The 1-hour unit (25mm) hydrograph for an ungauged watershed is estimated by a watershed modeler to be as follows: a) a linear increase in discharge to be 4 m³/s at 1 hour; and then, b) a further increase to 10 m³/s at 2 hours; and then, c) a linear decrease to 4 m3/s at 3 hours; and then d) followed by a linear decrease to zero at 4 hours. Determine the values of. 1). two hour unit hydrograph 2). four hour unit hydrograph.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The 1-hour unit (25mm) hydrograph for an ungauged watershed is estimated by a
watershed modeler to be as follows:
a linear increase in discharge to be 4 m³/s at 1 hour; and then, b) a further increase
a)
to 10 m³/s at 2 hours; and then, c) a linear decrease to 4 m³/s at 3 hours; and then d)
followed by a linear decrease to zero at 4 hours.
Determine the values of.
1). two hour unit hydrograph
2). four hour unit hydrograph.
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