Infrared Imaging Radiometer Suite (VIIRS) Vegetation Indices (VNP13A1) by The Suomi National Polar-Orbiting Partnership (S-NPP) NASA The. data provides vegetation indices by a process of selecting the best available pixel over a 16-day acquisition period at 500 meter resolution.
The VNP13 algorithm process produces three vegetation indices: (1) Normalized Difference Vegetation Index (NDVI), (2) the Enhanced Vegetation Index (EVI), and (3) Enhanced Vegetation Index-2 (EVI2). The maps was produced I Google Earth Engine where vegetation is range from 2013-2020.