US National Aeronautics and Space Administration (NASA) Terra Moderate Resolution Imaging Spectroradiometer (MODIS) Vegetation Indices (MOD13Q1), Version 6.1

The MOD13Q1 Vegetation Indices is part of the Moderate Resolution Imaging Spectroradiometer (MODIS) suite of data products. It is designed to provide consistent and spatially detailed information on global vegetation conditions at a 250 m spatial resolution with a 16-day revisit period. The primary vegetation indices are the Normalized Difference Vegetation Index and the Enhanced Vegetation Index, which are used to monitor vegetation health and productivity.