daily_eto_FAO56 {BrazilMet} | R Documentation |
Eto calculation based on FAO-56 Penman-Monteith methodology, with data from automatic weather stations (AWS) downloaded and processed in function *daily_download_AWS_INMET*
Description
This function will calculate the reference evapotranspiration (ETo) based on FAO-56 (Allen et al., 1998) with the automatic weather stations (AWS) data, downloaded and processed in function *daily_download_AWS_INMET*.
Usage
daily_eto_FAO56(lat, tmin, tmax, tmean, Rs, u2, Patm, RH_max, RH_min, z, date)
Arguments
lat |
A numeric value of the Latitude of the AWS (decimal degrees). |
tmin |
A dataframe with Minimum daily air temperature (°C). |
tmax |
A dataframe with Maximum daily air temperature (°C). |
tmean |
A dataframe with Mean daily air temperature (°C). |
Rs |
A dataframe with mean daily solar radiation (MJ m-2 day-1). |
u2 |
A dataframe with Wind speed at meters high (m s-2). |
Patm |
A dataframe with atmospheric Pressure (mB). |
RH_max |
A dataframe with Maximum relative humidity (percentage). |
RH_min |
A dataframe with Minimum relative humidity (percentage). |
z |
A numeric value of the altitude of AWS (m). |
date |
A data.frame with the date information (YYYY-MM-DD). |
Value
Returns a data.frame with the AWS data requested
Author(s)
Roberto Filgueiras, Luan P. Venancio, Catariny C. Aleman and Fernando F. da Cunha
Examples
## Not run:
eto<-daily_eto_FAO56(lat, tmin, tmax, tmean, Rs, u2, Patm, RH_max, RH_min, z, date)
## End(Not run)