The function calculates saturation vapor pressure for a given air temperature. The program is based on equations from List (1971) and code implementation from NicheMapR (Kearney and Porter 2017; Kearney and Porter 2020) .
VAPPRS(db)
numeric
Dry bulb temperature (C)
esat numeric
Saturation vapor pressure (Pa)
Kearney MR, Porter WP (2017).
“NicheMapR - an R package for biophysical modelling: the microclimate model.”
Ecography, 40, 664-674.
doi:10.1111/ecog.02360
.
Kearney MR, Porter WP (2020).
“NicheMapR - an R package for biophysical modelling: the ectotherm and Dynamic Energy Budget models.”
Ecography, 43(1), 85-96.
doi:10.1111/ecog.04680
.
List RJ (1971).
“Smithsonian Meteorological Tables.”
Smithsonian Miscellaneous Collections, 114(1), 1-527.
https://repository.si.edu/handle/10088/23746.
VAPPRS(db = 30)
#> [1] 4240.599