Crop coefficient (ETa / ET0) using MODIS with a grid of agrometeorological data.
kc_modis_grid(doy, 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 one of the regression coefficients of SAFER algorithm
is one of the regression coefficients of SAFER algorithm