The ordinate of the Instantaneous Unit Hydrograph (IUH) of a catchment at any time t, is
Options
A. The slope of the 1-hour unit hydrograph at that time
B. The slope of the direct runoff unit hydrograph at that time
C. Difference in the slope of the S-curve and 1-hour unit hydrograph
D. The slope of the S-curve with effective rainfall intensity of 1 cm/hr
Correct Answer
The slope of the S-curve with effective rainfall intensity of 1 cm/hr
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