Psychrometric Constant in Measurement of Evapotranspiration Formulas

Psychrometric Constant relates the partial pressure of water in air to the air temperature. And is denoted by γ.

Measurement of Evapotranspiration formulas that make use of Psychrometric Constant

fxPenman's EquationGo

fxNet Radiation of Evaporable water given Daily Potential EvapotranspirationGo

fxParameter Including Wind Velocity and Saturation DeficitGo

What is the Psychrometric Constant?

Psychrometric Constant relates the partial pressure of water in air to the air temperature.

Can the Psychrometric Constant be negative?

{YesorNo}, the Psychrometric Constant, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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