penman_fao_diario {ClimInd} | R Documentation |
FAO-56 Penman-Monteith reference evapotranspiration (ET_0)
Description
FAO-56 Penman-Monteith reference evapotranspiration (ET_0)
Usage
penman_fao_diario(
Tmin,
Tmax,
U2,
J,
Ra = NA,
lat = NA,
Rs = NA,
tsun = NA,
CC = NA,
ed = NA,
Tdew = NA,
RH = NA,
P = NA,
P0 = NA,
z = NA,
crop = "short",
na.rm = FALSE
)
Arguments
Tmin |
minimum temperature, Celsius |
Tmax |
maximum temperature, Celsius |
U2 |
average wind, m/s at 2m |
J |
day of the year |
Ra |
radiation, (MJ m-2 d-1) |
lat |
latitude, degrees, CRS('+proj=longlat +ellps=WGS84 +datum=WGS84') |
Rs |
daily incoming solar radiation (MJ m-2 d-1) |
tsun |
sunshine duration, hours |
CC |
CC |
ed |
actual vapour pressure |
Tdew |
dew point, Celsius |
RH |
relative humidity, percentage |
P |
atmospheric pressure, kPa |
P0 |
P0 |
z |
mde |
crop |
"short" short reference crop or "tail" tail reference crop |
na.rm |
na.rm |
Value
et0, mm/day
[Package ClimInd version 0.1-3 Index]