OMPS/NPP: Ultraviolet Radiance Swaths from Suomi-NPP Satellite

NASA's OMPS-NPP L1B NM Radiance EV Calibrated Geolocated Swath Orbital collection contains calibrated and geolocated radiances from 300 to 380 nm measured by the OMPS Nadir-Mapper sensor on the Suomi-NPP satellite. Each granule contains data from the daylight portion of a single orbit, providing global spatial coverage with a swath width of 2600 km. The dataset supports monitoring of atmospheric composition and solar spectral irradiance.

Use Cases

• Monitoring ozone layer dynamics based on ultraviolet radiance measurements.
• Tracking aerosol distribution and properties using spectral radiance data.
• Studying solar spectral irradiance variations across the 300-380 nm range.
• Validating atmospheric chemistry models with global, orbit-level geolocated observations.

Strengths

• Provides calibrated radiance data across a specific ultraviolet spectrum (300-380 nm).
• Offers global spatial coverage (-90 to 90 degrees latitude) with a wide 2600 km swath.
• Delivers high temporal resolution with approximately 14.5 orbital granules per day.

Limitations

• Metadata completeness is low, with column names, row counts, and file sizes unknown across all sources.
• Data is limited to daylight portions of orbits, missing nocturnal observations.
• License information is conflicting, with one source specifying 'other-license-specified' and another showing 'None'.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Collected by the OMPS Nadir-Mapper sensor on the Suomi-NPP satellite.

Freshness

2026-04-09 23:15:54.283895

Geography

Global (-90 to 90 degrees latitude)