International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage

Multilingual Technical Dictionary (MTD)

928. S-curve, or S-curve hydrograph : A graph showing the summation of the ordinates of a series of unit hydrographs spaced at unit-rainfall duration intervals. It represents the hydrograph of unit rate of rainfall excess continued indefinitely. If the ordinates of the S-curve are expressed as a percentage of the total unit hydrograph volume and the abscissa as unit of time or as percentage of lag time, the S-curve is known as a ‘summation graph’.

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Compare with :English, French, Russian, Japanese, Chinese, Base Language : Hindi
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