Evapotranspiration Based on FAO Penman-Monteith Equation
Atmospheric Pressure (P)
Clear-Sky Solar Radiation (R_so)
Degree to Radian Converter
Daylight Hours (N)
Inverse Earth-Sun Distance (d_r)
Effective Monthly Precipitation (P_eff)
Crop Evapotranspiration (ET_c)
FAO Penman-Monteith Reference Evapotranspiration (ETo) Equation
Hargreaves Reference Evapotranspiration (ETo) Equation
Evapotranspiration based on Pan Evaporation Method
Extraterrestrial Radiation for Daily Periods (R_a)
A package for computing the crop evapotranspiration and evapotranspira...
Julian Date
Crop Coefficients (Kc) of Perennial Vegetables
Mean Relative Humidity (RH_mean)
Mean Daily Air Temperature (T_mean)
Mean Saturation Vapour Pressure (e_s)
Net Longwave Radiation (R_nl)
Net Radiation (R_n)
Net Shortwave Radiation (R_ns)
Pan Coefficient (K_p)
Psychrometric Constant (gamma)
Relative Humidity (RH)
Saturation Vapour Pressure at a specific Air Temperature (e0T)
Slope of Saturation Vapour Pressure Curve (Delta)
Solar Declination (delta)
Solar Radiation (R_s)
Sunset Hour Angel (omega_s)
Wind Speed at the height 2 m Above Ground Surface
Calculation of Evapotranspiration by FAO Penman-Monteith equation based on Allen, R. G., Pereira, L. S., Raes, D., Smith, M. (1998, ISBN:92-5-104219-5) "Crop evapotranspiration - Guidelines for computing crop water requirements - FAO Irrigation and drainage paper 56".