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Available on 2 platforms
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SMEX02 Iowa Satellite Vegetation and Water Index Data provides NDVI and NDWI indices derived from Landsat 5 TM and Landsat 7 ETM+ imagery. The dataset was produced by the National Aeronautics and Space Administration. Sources show conflicting last update dates, ranging from 2002 to 2026.
License is listed as 'other-license-specified'; users should verify terms. File formats include BIN, ISO, and HTML.