cal_ActualVapourPressure_from_dewPoint {simET}

Actual vapour pressure derived from dewpoint temperature

Description

As the dewpint temperature is the temperature to which the air needs to be cooled to make the air saturated, the actual vapour pressure is the saturation vapour pressure at the dewpoint temperature.

Usage

cal_ActualVapourPressure_from_dewPoint(Tdew)

Arguments

Tdew

dew point temperature(degrees Celsius).

Value

A vector for actual vapour pressure

References

Allen, R. G., Pereira, L. S., Raes, D., & Smith, M. FAO Irrigation and drainage paper No. 56. Rome: Food and Agriculture Organization of the United Nations, 1998.