Functions for Calculating Daily Solar Radiation and Evapotranspiration

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Documentation for package ‘sirad’ version 2.2-2

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sirad-package Functions for calculating daily solar radiation and avapotranspiration
ap Angstrom-Prescott solar radiation model
APa_map Map of Angstrom-Prescott model A coefficient
APb_map Map of Angstrom-Prescott model B coefficient
apcal Calibrate Angstrom-Prescott model
bc Bristow-Campbell model
bcauto Auto-calibrate Bristow-Campbell model
bccal Calibrate Bristow-Campbell model
CFC Annual mean of cloud fraction cover
cst Estimate clear sky transmissivity
CSTmap Clear sky transmissivity map
cstRead Read values of clear sky transmissivity
dayOfYear Convert 'Date' to number of day in a year
degrees Convert radians to degrees
deltaVP Slope of saturation vapour pressure curve
es Mean saturation vapour pressure
et0 FAO Penman-Monteith evapotranspiration equation
extrat Calculate extraterrestrial solar radiation
ha Hargreaves solar radiation model
hacal Calibrate Hargreaves model
hauto Auto-calibrate Hargreaves model
Ha_map Map of Hargreaves model A coefficient
Hb_map Map of Hargreaves model B coefficient
Metdata Weather data
mh Mahmood-Hubbard solar radiation model
modeval Model performance statistics.
psychC Psychrometric constant
radians Convert degrees to radians
rnl Net longwave radiation
rns Net shortwave radiation
Sa_map Map of Supit-Van Kappel model A coefficient
Sb_map Map of Supit-Van Kappel model B coefficient
Sc_map Map of Supit-Van Kappel model C coefficient
sirad Functions for calculating daily solar radiation and avapotranspiration
su Supit-Van Kappel solar radiation model
sucal Calibrate Supit-Van Kappel model
ts.CMSAF Extract punctual data from CM SAF data.
wind2 Convert wind speed measured at a certain height to the wind speed at 2 meters