VNP43D11: BRDF Volumetric Parameter for VIIRS Band M4

Global data at 30 arc-second (1,000 meter) resolution provides the volumetric parameter for the Bidirectional Reflectance Distribution Function (BRDF) and Albedo model for VIIRS band M4 (0.555 μm). It is produced daily using a 16-day temporal composite, weighted to the ninth day, and formatted in a Climate Modeling Grid (CMG) for climate simulation models. The dataset is part of a larger suite (VNP43D01-VNP43D39) that includes parameters for nine VIIRS bands, visible, NIR, shortwave, and the Day/Night Band.

Use Cases

• Deriving BRDF/Albedo values for VIIRS band M4 based on the volumetric, isotropic, and geometric parameters.
• Inputting surface reflectance parameters into global climate simulation models based on the Climate Modeling Grid format.
• Analyzing temporal changes in land surface reflectance using daily composites built from 16 days of data.
• Comparing surface radiative properties across different VIIRS spectral bands using the coordinated parameter suite.

Strengths

• Provides a specific model parameter (volimetric) for a defined spectral band (M4 at 0.555 μm).
• Has a global spatial coverage (Climate Modeling Grid) at a consistent 1km resolution.
• Is part of a systematically produced and documented product suite (VNP43D) from NASA/NOAA.

Limitations

• Metadata for size, row count, and specific columns is unavailable across all sources.
• The 'last updated' date conflicts between sources (2026-03-12 and 2026-04-09 on datagov).
• Each file contains only one data layer, which may require combining multiple files for full analysis.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Produced daily from the Suomi NPP VIIRS sensor using a 16-day composite algorithm.

Freshness

2026-04-09 20:52:50.158328

Geography

Global