Approximates vapour pressure as the saturated vapour pressure at the daily mean air temperature using relative humidity. See section 9.3 of the STICS book, as well as M. Launay's explanations on the STICS forum (link).

approx_vapour_pressure(mean_temp, rel_humid)

Arguments

mean_temp

numeric vector of daily mean air temperature (in Celsius degrees)

rel_humid

numeric vector of relative humidity (in percentage)

Value

numeric vector

Author

Timothee Flutre

Examples

approx_vapour_pressure(15, 60)
#> [1] 10.22252