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Delta-X AVIRIS-NG L3 Derived Vegetation Types, MRD, Louisiana, USA

Published by ORNL_DAAC | National Aeronautics and Space Administration | Catalog Last Checked: August 11, 2026 at 11:51 PM | Dataset Last Updated: August 10, 2026
This dataset provides maps of vegetation types for the Atchafalaya and Terrebonne basins in coastal Louisiana, U.S., derived from NASA's Next Generation Airborne Visible Infrared Imaging Spectrometer (AVIRIS-NG) imagery acquired during spring and fall of 2021 for the Delta-X campaign. Vegetation types were classified from Level-2B BRDF-adjusted surface reflectance. Local pixel reflectance spectra coincident with herbaceous vegetation field samples and vegetation plot data from Louisiana's Coastwide Reference Monitoring System were used to generate a machine learning-based model to classify vegetation types. This model was then applied to the AVIRIS-NG mosaic imagery to map vegetation types across the Atchafalaya and Terrebonne Basins. The data are provided in cloud optimized GeoTIFF (COG) format.

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Complete Metadata
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description This dataset provides maps of vegetation types for the Atchafalaya and Terrebonne basins in coastal Louisiana, U.S., derived from NASA's Next Generation Airborne Visible Infrared Imaging Spectrometer (AVIRIS-NG) imagery acquired during spring and fall of 2021 for the Delta-X campaign. Vegetation types were classified from Level-2B BRDF-adjusted surface reflectance. Local pixel reflectance spectra coincident with herbaceous vegetation field samples and vegetation plot data from Louisiana's Coastwide Reference Monitoring System were used to generate a machine learning-based model to classify vegetation types. This model was then applied to the AVIRIS-NG mosaic imagery to map vegetation types across the Atchafalaya and Terrebonne Basins. The data are provided in cloud optimized GeoTIFF (COG) format.
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identifier 10.3334/ORNLDAAC/2352
keyword 
[
  "earth-science-land-use-land-cover-land-surface-land-use-land-cover-classification",
  "earth-science-vegetation-biosphere-vegetation-cover"
]
license https://www.usa.gov/government-works
modified 2026-08-10
programCode 
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  "026:000"
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publisher 
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spatial 
"["CARTESIAN", [{"WestBoundingCoordinate": -91.5945, "NorthBoundingCoordinate": 29.707, "EastBoundingCoordinate": -90.3607, "SouthBoundingCoordinate": 28.9908}]]"
temporal 2021-08-20/2021-08-25
theme 
[
  "Earth Science"
]
title Delta-X AVIRIS-NG L3 Derived Vegetation Types, MRD, Louisiana, USA

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