TOMS Meteor-3: Daily Global Ozone Grid

NASA's Meteor-3 Total Ozone Mapping Spectrometer (TOMS) Version 8 dataset provides daily global measurements of total column ozone. Data are mapped to a 180 x 288 cell grid with a 1.00 x 1.25 degree latitude-longitude resolution. The product was produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center.

Use Cases

• Monitoring daily global ozone distribution based on gridded satellite measurements.
• Analyzing long-term ozone trends and anomalies based on the time-series nature of the data.
• Validating atmospheric chemistry models based on the global, geospatially-gridded observations.
• Studying polar ozone depletion events based on the high-latitude coverage of the global grid.

Strengths

• Provides a consistent global grid of 51,840 cells (180 x 288) for spatial analysis.
• Data originates from a NASA Goddard Space Flight Center laboratory, indicating authoritative provenance.
• Available on multiple platforms (NASA Earthdata and Data.gov), suggesting established use and importance.

Limitations

• Conflicting 'last updated' metadata (1994 vs. 2026) creates uncertainty about data freshness and maintenance.
• Column names and specific data formats (beyond 'ASCII') are not described, complicating direct use.
• Limited metadata completeness; size, row counts, and detailed author information are unavailable.

Provenance

Source

Laboratory for Atmospheres, NASA Goddard Space Flight Center (Code 614)

Collection Method

Satellite remote sensing via the Meteor-3 Total Ozone Mapping Spectrometer (TOMS).

Time Range

null

Freshness

2026-04-09 21:44:30.802919

Geography

Global