SE-590 Field Reflectance Measurements for BRDF Model Validation

OTTER project data contains spectral reflectance measurements collected using Spectron SE590 instruments to validate geometric-optical Bi-directional Reflectance Distribution Function (BRDF) models. The dataset originates from the ORNL_CLOUD organization. Metadata indicates updates as recent as 2026, but a primary source lists a last update date of 1990.

Use Cases

• Validating geometric-optical BRDF models against field-measured spectral reflectance data.
• Analyzing the relationship between canopy structure and directional reflectance across spectral bands.
• Supporting studies on atmospheric radiation transfer and surface-atmosphere interactions in forested ecosystems.

Strengths

• Data is specifically designed for validation of geometric-optical BRDF models, providing a direct application.
• Cross-platform presence on NASA Earthdata and Data.gov signals recognized importance and curation.
• Associated with the OTTER project, indicating a focused scientific campaign.

Limitations

• Critical metadata conflicts exist: two sources list a last update of 2026-03-12, while another lists 1990-06 21.
• No column names, row counts, or specific file sizes are provided by any source, limiting detailed assessment.
• License is ambiguously listed as 'other-license-specified' or 'None', requiring further investigation for use.

Provenance

Source

ORNL_CLOUD organization.

Collection Method

Field measurements made by Spectron SE590 instruments.

Time Range

null

Freshness

2026-03-12 21:58:59.071082

Geography

null