VNP02IMG: VIIRS Satellite Imagery at 375-Meter Resolution

VIIRS/NPP VNP02IMG provides Level 1B calibrated radiance and reflectance data from five image-resolution bands. The data has a spatial resolution of 375 meters at nadir and covers wavelengths from visible to longwave infrared. Each granule represents a 6-minute temporal swath with image dimensions of 6464 lines by 6400 pixels.

Use Cases

• Monitoring wildfire hotspots based on mediumwave- and longwave-infrared radiance data.
• Analyzing cloud properties and atmospheric composition using calibrated reflectance across multiple spectral bands.
• Land cover classification and change detection leveraging the 375-meter spatial resolution and multi-spectral sensitivity.
• Calibrating and validating other satellite sensors using the geolocated and quality-flagged radiance measurements.

Strengths

• Provides calibrated and geolocated data directly from NASA's VIIRS instrument, ensuring scientific rigor.
• Offers a consistent 6-minute temporal granularity per swath, suitable for time-series analysis.
• Covers a broad spectral range from 0.6 µm to 12.4 µm across five distinct bands.

Limitations

• Column names and a detailed data dictionary are not provided in the available metadata, complicating direct use.
• The license is ambiguously listed as 'other-license-specified' without explicit terms.
• Metadata on data volume (size, row count) is unavailable, making resource planning difficult.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Derived from NASA VIIRS L1A raw radiances onboard the Suomi NPP satellite.

Freshness

2026-04-09 20:59:30.677053

Geography

Global swath coverage.