How to Calculate Duration of ER given Maximum Rate of Discharge from S-Curve?
Duration of ER given Maximum Rate of Discharge from S-Curve calculator uses Duration of Excess Rainfall = 2.778*Area of Catchment/Equilibrium Discharge to calculate the Duration of Excess Rainfall, The Duration of ER given Maximum Rate of Discharge from S-Curve formula is defined as the duration in hours of ER of the unit hydrograph used in deriving the S-curve. Duration of Excess Rainfall is denoted by Dr symbol.
How to calculate Duration of ER given Maximum Rate of Discharge from S-Curve using this online calculator? To use this online calculator for Duration of ER given Maximum Rate of Discharge from S-Curve, enter Area of Catchment (A) & Equilibrium Discharge (Qs) and hit the calculate button. Here is how the Duration of ER given Maximum Rate of Discharge from S-Curve calculation can be explained with given input values -> 0.01429 = 2.778*3000000/45.