Outflow Rate in Hydrologic Routing Formulas

Outflow Rate for a given catchment area in any interval of time is the average volume of outgoing water in unit time. And is denoted by Q. Outflow Rate is usually measured using the Cubic Meter per Second for Volumetric Flow Rate. Note that the value of Outflow Rate is always positive.

Formulas to find Outflow Rate in Hydrologic Routing

fxOutflow given Linear StorageGo

Hydrologic Routing formulas that make use of Outflow Rate

fxTotal Wedge Storage in Channel ReachGo

fxEquation for Linear Storage or Linear ReservoirGo

fxMuskingum EquationGo

List of variables in Hydrologic Routing formulas

fx Total Storage in Channel Reach Go

fx Constant K Go

FAQ

What is the Outflow Rate?

Outflow Rate for a given catchment area in any interval of time is the average volume of outgoing water in unit time. Outflow Rate is usually measured using the Cubic Meter per Second for Volumetric Flow Rate. Note that the value of Outflow Rate is always positive.

Can the Outflow Rate be negative?

No, the Outflow Rate, measured in Volumetric Flow Rate cannot be negative.

What unit is used to measure Outflow Rate?

Outflow Rate is usually measured using the Cubic Meter per Second[m³/s] for Volumetric Flow Rate. Cubic Meter per Day[m³/s], Cubic Meter per Hour[m³/s], Cubic Meter per Minute[m³/s] are the few other units in which Outflow Rate can be measured.

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