EcoHydRology (version 0.3.7)

EstCloudiness: Estimated Cloudiness

Description

Estimates the cloudiness of the atmosphere by scaling to atmospheric transmissivity

Usage

EstCloudiness(lat, Jday, Tx, Tn)

Arguments

lat

latitdue [rad]

Jday

Julian date or day of the year [day]

Tx

maximum daily temperature [C]

Tn

minimum daily temperature [C]

Value

Examples

##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function(lat,Jday,Tx,Tn){
# estimates the cloudiness of the atmosphere by scaling to atmospheric transmissivity

#lat: latitdue [rad]
#Jday: Julian date or day of the year [day]
#Tx: maximum daily temperature [C]
#Tn: minimum daily temperature [C]

trans<-transmissivity(lat,Jday,Tx,Tn)

if(1-(trans-0.15)/(0.75-0.15)<0){return(0)}
else{return(1-(trans-0.15)/(0.75-0.15))
  }
  }