penman_monteith_f56 {evapoRe} | R Documentation |
Calculate Potential Evapotranspiration (PET) using FAO Penman-Monteith
Description
The function penman_monteith_f56
computes PET by FAO Penman-Monteith method.
Usage
penman_monteith_f56(
tavg,
tmin,
tmax,
rn,
u,
tdew,
elevation = NULL,
pres = NULL,
x = NULL
)
## S4 method for signature
## 'missing,missing,missing,missing,missing,missing,missing,missing'
penman_monteith_f56(x)
## S4 method for signature 'Raster,Raster,Raster,Raster,Raster,Raster,ANY,ANY'
penman_monteith_f56(
tavg,
tmin,
tmax,
rn,
u,
tdew,
elevation = NULL,
pres = NULL,
x = NULL
)
## S4 method for signature
## 'character,character,character,character,character,character,ANY,ANY'
penman_monteith_f56(
tavg,
tmin,
tmax,
rn,
u,
tdew,
elevation = NULL,
pres = NULL,
x = NULL
)
Arguments
tavg |
Raster* object or file path; average temperature (°C) |
tmin |
Raster* object or file path; minimum temperature (°C) |
tmax |
Raster* object or file path; maximum temperature (°C) |
rn |
Raster* object or file path; net radiation (MJ m-2 day-1) |
u |
Raster* object or file path; wind speed at 2 meters (m/s) |
tdew |
Raster* object or file path; dew point temperature (°C) |
elevation |
Raster* object or file path; elevation (m). Optional if 'pres' is provided. |
pres |
Optional. Raster* object or file path; atmospheric pressure (kPa) |
x |
A 'data.table' with columns: "lon", "lat", "date", "tavg", "tmin", "tmax", "rn", "u", "tdew", and either "elevation" or "pres". |
Details
For Raster inputs, provide raster objects or file paths for 'tavg', 'tmin', 'tmax', 'rn', 'u', 'tdew', and either 'elevation' or 'pres'. For data.table input, provide a single 'data.table' with columns: "lon", "lat", "date", "tavg", "tmin", "tmax", "rn", "u", "tdew", and either "elevation" or "pres".
Value
RasterBrick or data.table of PET values (mm/day)