NDVI (Normalized Difference Vegetation Index; Tucker, 1979)


NDVI is estimated as:

where ρ1 and ρ2 correspond to atmospherically corrected reflectances for red and near-infrared VIIRS bands 5 and 7 respectively. In our case, NDVI is estimated for daylight acquisitions only.





Tucker, C. J., 1979. Red and Photographic Infrared Linear Combinations for Monitoring Vegetation, Remote Sensing of Environment, 8 (2), 127-150.