FAO56-package |
A package for computing the crop evapotranspiration and evapotranspiration rate from the reference surface by FAO Penman-Monteith equation |
AtmPres |
Atmospheric Pressure (P) |
CSSRad |
Clear-Sky Solar Radiation (R_so) |
DD2Rad |
Degree to Radian Converter |
DH |
Daylight Hours (N) |
EarSunDis |
Inverse Earth-Sun Distance (d_r) |
EffPrec |
Effective Monthly Precipitation (P_eff) |
ETo_FPM |
FAO Penman-Monteith Reference Evapotranspiration (ETo) Equation |
ETo_Hrg |
Hargreaves Reference Evapotranspiration (ETo) Equation |
ETo_Pan |
Evapotranspiration based on Pan Evaporation Method |
ET_c |
Crop Evapotranspiration (ET_c) |
ExRad |
Extraterrestrial Radiation for Daily Periods (R_a) |
JulDate |
Julian Date |
Kc_Cereals |
Crop Coefficients (Kc) of Cereals |
Kc_Fibre_Crops |
Crop Coefficients (Kc) of Fibre Crops |
Kc_Forages |
Crop Coefficients (Kc) of Forages |
Kc_Fruit_Trees |
Crop Coefficients (Kc) of Fruit Trees |
Kc_Grapes_and_Berries |
Crop Coefficients (Kc) of Grapes and Berries |
Kc_Legumes |
Crop Coefficients (Kc) of Legumes |
Kc_Oil_Crops |
Crop Coefficients (Kc) of Oil Crops |
KC_Perennial_Vegetables |
Crop Coefficients (Kc) of Perennial Vegetables |
Kc_Roots_and_Tubers |
Crop Coefficients (Kc) of Roots and Tubers |
Kc_Small_Vegetables |
Crop Coefficients (Kc) of Small Vegetables |
Kc_Special |
Crop Coefficients (Kc) of Special Areas |
Kc_Sugar_Cane |
Crop Coefficients (Kc) of Sugar Cane |
Kc_Tropical_Fruits_and_Trees |
Crop Coefficients (Kc) of Tropical Fruits and Trees |
Kc_Vegetables_Cucumber_Family |
Crop Coefficients (Kc) of Cucumber Family Vegetables |
Kc_Vegetables_Solanum_Family |
Crop Coefficients (Kc) of Solanum Family Vegetables |
Kc_Wetlands_Temperate_Climate |
Crop Coefficients (Kc) of Wetlands Temperate Climate |
MeanRH |
Mean Relative Humidity (RH_mean) |
MeanTemp |
Mean Daily Air Temperature (T_mean) |
MSVP |
Mean Saturation Vapour Pressure (e_s) |
NLRad |
Net Longwave Radiation (R_nl) |
NRad |
Net Radiation (R_n) |
NSRad |
Net Shortwave Radiation (R_ns) |
PanCoef |
Pan Coefficient (K_p) |
PsyCon |
Psychrometric Constant (gamma) |
RelHum |
Relative Humidity (RH) |
SatVP |
Saturation Vapour Pressure at a specific Air Temperature (e0T) |
SlpSVPC |
Slope of Saturation Vapour Pressure Curve (Delta) |
SolDec |
Solar Declination (delta) |
SolRad |
Solar Radiation (R_s) |
SunHA |
Sunset Hour Angel (omega_s) |
WndSp2m |
Wind Speed at the height 2 m Above Ground Surface |