Formulas to compute vapour pressure deficit according to available data

Source: R/vapor_pressure.R

Formula to calculate mean saturation vapor pressure from esmx and esmn

get.es(tmin, tmax)

Arguments

tmin

numeric minimum daily air temperature, °C
tmax

numeric maximum daily air temperature, °C

Value

mean saturation vapor pressure is calculated as the mean between the saturation vapor pressure at both the daily maximum and minimum air temperatures.

References

Zotarelli L, Dukes MD, Romero CC, Migliaccio KW, Morgan KT (2010). “Step by step calculation of the Penman-Monteith Evapotranspiration (FAO-56 Method).” Institute of Food and Agricultural Sciences. University of Florida.

Author

Cathy C. Westhues cathy.jubin@uni-goettingen.de