ClimInd (version 0.1-2)

eto: Reference evapotranspiration

Description

If data available using Fao-56 Penman-Monteith

Usage

eto(tmin, tmax, toa, w, lat, tdew, mde, radiation = NA,
  insolation = NA, rh = NA, data_names = NULL, time.scale = YEAR,
  na.rm = FALSE)

Arguments

tmin

tmin

tmax

tmax

toa

toa

w

w

lat

lat

tdew

tdew

mde

mde

radiation

radiation

insolation

insolation

rh

relative humidity

data_names

names of each period of time

time.scale

month, season or year

na.rm

logical. Should missing values (including NaN) be removed?

Value

Eto

References

Chiew, F.H.S., Kamaladasa, N.N., Malano, H.M., McMahon, T.A., 1995. Penman<U+2013>Monteith FAO-24 reference crop evapotranspiration and class-A pan data in Australia. Agric. Water Manage. 28, 9<U+2013>21

Examples

# NOT RUN {
data(data_all)
eto(tmin = data_all$tn, tmax = data_all$tx, 
     toa = data_all$radiationtoa, w = data_all$wind,
     lat=data_all$lat, tdew = data_all$dewpoint, 
     mde=data_all$mde, radiation = data_all$radiation, 
     insolation=data_all$insolation, rh = data_all$humidity)
# }