Crop coefficient (ETa / ET0) using Landsat-8 images with single agrometeorological data.
kc_l8(doy, RG, Ta, a, b)It returns in raster format (.tif) the Surface Albedo at 24h scale ("Alb_24"), NDVI, Surface Temperature ("LST"), Crop Coefficient ("kc") and net radiation ("Rn_MJ").
is the Day of Year (DOY)
is the global solar radiation
is the average air temperature
is one of the regression coefficients of SAFER algorithm
is one of the regression coefficients of SAFER algorithm