Computer · Hydrology
Which of the following best describes the process involved in deriving a hydrograph of different duration using the S-curve (or S-hydrograph) method?
- 1Integrating the rainfall excess over time using a dynamic infiltration model and routing it through a watershed response function
- 2Using inter-event time gaps to isolate individual storm responses and construct a composite hydrograph
- 3Applying a convolution process that superimposes successive unit hydrographs over discrete rainfall intervals to simulate cumulative runoff✓
- 4Estimating excess rainfall by subtracting infiltration losses from total precipitation and applying it to a continuous hydrograph model
Correct answer
Applying a convolution process that superimposes successive unit hydrographs over discrete rainfall intervals to simulate cumulative runoff
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