VNP43D84: VIIRS Nadir BRDF-Adjusted Reflectance for Band M5

NASA/NOAA Suomi NPP VIIRS satellite data provides Nadir BRDF-Adjusted Reflectance (NBAR) for the M5 band (0.672 μm) daily, using a 16-day temporal composite weighted to the ninth day. The product is formatted as a single-layer Climate Modeling Grid (CMG) at 30 arc-second (1,000 meter) resolution, covering the entire globe. NBAR values model reflectance as if collected from a nadir view at local solar noon, removing view angle effects for use in climate simulation models.

Use Cases

• Climate model parameterization based on the global Climate Modeling Grid (CMG) format.
• Land surface reflectance trend analysis using daily NBAR values corrected to nadir view.
• Surface radiative property studies leveraging the specific VIIRS moderate resolution band M5 (0.672 μm).

Strengths

• Global coverage at a consistent 30 arc-second (1,000 meter) resolution.
• Daily production with a 16-day temporal composite to reduce noise.
• Algorithm improvements include better calibration coefficients and geolocation accuracy for the entire Suomi NPP mission.

Limitations

• Column names and exact data structure are not specified in the provided metadata.
• Each product file contains only one data layer, which may limit simultaneous multi-band analysis.
• Known issues exist, requiring users to consult an external website for complete information.

Provenance

Source

NASA/NOAA Suomi NPP VIIRS satellite.

Collection Method

Produced daily using the NBAR algorithm from directional reflectances.

Freshness

2026-04-09 20:55:38.623523

Geography

Global