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AVIRIS-NG imagery from 2021 was processed using linear spectral unmixing to estimate fractional cover of green vegetation, non-photosynthetic vegetation, and soil across the Atchafalaya and Terrebonne basins in Louisiana. The analysis combined airborne hyperspectral data with in situ field spectra from the USGS Spectral Library (v7) and ground-level GoPro images. Outputs provide pixel-level fractional composition values scaled from 0 to 1.
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