Jornada Experimental Range Vegetation Reflectance Measurements, 1997

May 1997 data from the Prototype Validation Experiment (PROVE) at the Jornada Experimental Range in New Mexico. The dataset contains directional reflected radiation measurements over specific canopy components like shrubs, individual plants, and bare sand. It was collected by NASA to characterize land surface reflectance properties.

Use Cases

• Validating satellite-derived vegetation indices using ground-truth reflectance measurements.
• Modeling bidirectional reflectance distribution functions (BRDF) for arid land shrub canopies.
• Analyzing the spectral signature differences between vegetation components and bare sand backgrounds.
• Studying the angular dependence of reflected radiation in the solar principal and perpendicular planes.

Strengths

• Measurements cover a specific temporal snapshot from a controlled field experiment in May 1997.
• Data includes detailed angular sampling with view zenith angles of 60, 45, 30, and 15 degrees in multiple planes.
• Targets specific, well-defined surface components (shrubs, plants, bare sand, background) for precise analysis.

Limitations

• Key structural details like row count, column names, and exact file size are unavailable from all sources.
• There is a conflict in the 'last updated' metadata: one source lists 1997-05 28, while another lists 2026-03-12.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Field measurements of directional reflected radiation using a mast rotated to specific angles over defined plots.

Time Range

1997-05

Freshness

2026-03-12 22:36:58.985939

Geography

Jornada Experiment Range site near Las Cruces, New Mexico, USA.