S5P_L2__O3_TOT_HiR: Sentinel-5P Total Ozone Column Satellite Data

Sentinel-5P TROPOMI provides total ozone column measurements at a nadir spatial resolution of approximately 5.5km. The data product applies the Direct-fitting algorithm (S5P_TO3_GODFIT) to derive total vertical column ozone, ozone effective temperature, and error information from hyperspectral measurements across ultraviolet-visible, near infrared, and shortwave infrared wavelengths. Its availability across multiple platforms indicates established use for atmospheric monitoring.

Use Cases

• Monitoring global stratospheric ozone layer health based on total vertical column ozone data.
• Analyzing spatial and temporal trends in atmospheric composition using high-resolution (~5.5km) geospatial measurements.
• Validating atmospheric chemistry models with satellite-derived ozone effective temperature and column density.
• Studying the impact of ozone on surface UV radiation and air quality.

Strengths

• Provides high spatial resolution data (~5.5km at nadir) from the TROPOMI instrument.
• Covers a broad spectral range (UV-VIS, NIR, SWIR) for precise atmospheric retrieval.
• Data is hosted on multiple authoritative platforms (NASA Earthdata, Data.gov), indicating validation and broad accessibility.

Limitations

• Specific column names and dataset size/row counts are not provided in the available metadata.
• Data collection is split across three different processor versions (S5P_L2__O3_TOT_1, HiR_1, HiR_2), requiring user awareness for time-series continuity.
• License is specified only as 'other-license-specified' without detailed terms.

Provenance

Source

European Space Agency (ESA) / Copernicus Sentinel-5 Precursor mission, processed by GES DISC.

Collection Method

Satellite remote sensing via the TROPOMI hyperspectral spectrometer, using the Direct-fitting algorithm (S5P_TO3_GODFIT) for Level-2 processing.

Time Range

Data available from the Sentinel-5P launch, with processor updates implemented on 2019-08-06 and 2020-07-13.

Freshness

2026-04-09 22:23:56.525630

Geography

Global coverage from a sun-synchronous orbit.