Calculated Leaf Carbon and Nitrogen from AVIRIS ACCP 1992

Plot-level average leaf chemical concentrations for nitrogen, lignin, and cellulose were calculated from green leaf and litterfall samples. This dataset was created by NASA to investigate relationships between leaf chemistry and AVIRIS airborne reflectance measurements. The core data originates from the 1992 Accelerated Canopy Chemistry Program (ACCP).

Use Cases

• Calibrating and validating spectral indices for leaf nitrogen content estimation.
• Modeling canopy-level carbon and lignin dynamics from airborne imagery.
• Studying relationships between specific leaf chemicals (cellulose, lignin) and reflectance spectra.
• Providing ground truth data for historical AVIRIS sensor performance analysis.

Strengths

• Data is derived from direct physical measurements of green leaf chemistry and litterfall sample weights.
• Dataset is hosted by NASA, indicating authoritative collection and curation.
• Presence on multiple government platforms (Data.gov, NASA Earthdata) signals recognized importance.

Limitations

• Critical metadata conflicts exist: last update date is listed as both 1992 and 2026, and no source provides row counts, column names, or file sizes.
• The specific license is ambiguous, only described as 'other-license-specified'.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Plot-level values calculated from green leaf chemistry measurements and litterfall sample weights.

Time Range

1992

Freshness

2026-03-13 05:10:57.399816

Geography

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