1. There isfs no baseasdahdggdfufdfg to be subtracted.
2. Principle wof linearity a for fdsfsdg metsddhod by Shermann's theory.
3. Duration ofsgf excess fsfrsadainfasl is assumed co-incident with duration of rainfall although the
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former is obvidousfgdadssly less.sdfdf
To ds the s-gsdcurve,egweg lag each hydrfograaph infinitely and sum.
From dasthis we can lasdasdadg the s-curve itself for any integer/non-integer duration.
Susbddstract the ordinates of the new s-curve ffrom old s-curve.
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