MCD43D32: Daily Global BRDF/Albedo Quality Assurance Data at 1km Resolution

Daily global data produced using 16 days of Terra and Aqua MODIS satellite observations, temporally weighted to the ninth day. The MCD43D32 Version 6.1 dataset provides local solar noon information and quality flags for Bidirectional Reflectance Distribution Function and Albedo products at 30 arc second (1,000 meter) resolution. It is produced by the National Aeronautics and Space Administration for use in climate simulation models.

Use Cases

• Filtering satellite-derived albedo data for quality based on the provided band-specific quality flags.
• Incorporating local solar zenith angle information into radiative transfer models for climate studies.
• Assessing surface radiative properties for climate modeling grids based on the 1km resolution global coverage.

Strengths

• Daily temporal resolution using a 16-day observation window from two MODIS sensors (Terra and Aqua).
• Global spatial coverage at 30 arc second (approximately 1km) resolution.
• Version 6.1 includes calibration improvements such as response-versus-scan angle and polarization corrections.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Each product file contains just one data layer, which may require combining multiple files for a complete analysis.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Produced daily using 16 days of Terra and Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) data.

Time Range

Daily production; temporal weighting to the ninth day of a 16-day window.

Freshness

Last updated 2026-03-12 23:24:16.830493; freshness should be verified.

Geography

Global