In an S-curve derived by a unit hydrograph U of D-h duration
A 4 hour unit hydrograph of a basin with area of 1728 km2 can be approximated as a triangle with base period of 48 hours. The peak ordinate of hydrograph is
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An instantaneous unit hydrograph is a direct runoff hydrograph
In Synder’s method of synthetic unit hydrograph development, basin lag is taken as
If a 4-hour unit hydrograph of a certain basin has a peak ordinate of 80 m3/s, the peak ordinate of a 2-hour unit hydrograph for the same basin will be
The point of inflection on the recession limb of a hydrograph represents
31 docs|280 tests
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31 docs|280 tests
|