Actual Vapour Pressure in Losses from Precipitation Formulas

Actual Vapour Pressure is the air in mm of mercury is the vapour pressure exerted by the water in the air. And is denoted by e_a. Actual Vapour Pressure is usually measured using the Millimeter Mercury (0 °C) for Pressure. Note that the value of Actual Vapour Pressure is always positive.

Formulas to find Actual Vapour Pressure in Losses from Precipitation

fxVapour Pressure of Air using Dalton's LawGo

Losses from Precipitation formulas that make use of Actual Vapour Pressure

fxEquation for Parameter Including Wind Velocity and Saturation DeficitGo

fxMeyers formula (1915)Go

fxRohwers formula (1931)Go

fxDalton-Type EquationGo

fxDalton's Law of EvaporationGo

fxVapour Pressure of Water at given Temperature for Evaporation in Water BodiesGo

List of variables in Losses from Precipitation formulas

fx Saturation Vapour Pressure Go

fx Evaporation from Water Body Go

fx Proportionality Constant Go

FAQ

What is the Actual Vapour Pressure?

Actual Vapour Pressure is the air in mm of mercury is the vapour pressure exerted by the water in the air. Actual Vapour Pressure is usually measured using the Millimeter Mercury (0 °C) for Pressure. Note that the value of Actual Vapour Pressure is always positive.

Can the Actual Vapour Pressure be negative?

No, the Actual Vapour Pressure, measured in Pressure cannot be negative.

What unit is used to measure Actual Vapour Pressure?

Actual Vapour Pressure is usually measured using the Millimeter Mercury (0 °C)[mmHg] for Pressure. Pascal[mmHg], Kilopascal[mmHg], Bar[mmHg] are the few other units in which Actual Vapour Pressure can be measured.

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