TOMSEPL3mtoz: Earth Probe Monthly Global Ozone Grid

NASA's TOMS Earth Probe Total Column Ozone Monthly L3 dataset provides monthly averaged total ozone values mapped to a global grid. The data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center and have a spatial resolution of 1.00 x 1.25 degrees. This dataset is stored in ASCII format and is available on multiple government data platforms.

Use Cases

• Monitoring global ozone layer health based on monthly averaged total column ozone values.
• Analyzing spatial patterns of atmospheric ozone across a 180x288 lat-long grid.
• Studying long-term ozone trends using a time series of satellite remote sensing data.
• Validating atmospheric chemistry models with NASA-produced satellite measurements.

Strengths

• Provides a consistent global grid of 180 x 288 points with a defined 1.00 x 1.25 degree resolution.
• Produced by an authoritative source, NASA Goddard Space Flight Center's Laboratory for Atmospheres.
• Available on multiple platforms (NASA Earthdata and Data.gov), indicating established use.

Limitations

• Column names and exact row counts are unknown across all sources.
• Conflicting last updated dates exist (2005-12-31 and 2026-04-09), suggesting metadata inconsistency.
• Data format is ASCII, which may require specific parsing compared to more common structured formats.

Provenance

Source

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

Collection Method

Satellite remote sensing from the Earth Probe Total Ozone Mapping Spectrometer (TOMS).

Freshness

2026-04-09 21:32:03.782564

Geography

Global