# AC SAF GOME-2 Total Ozone Column
*data products*

## Specifications
- **level**: L3
- **distributor**: eumetsat
- **access endpoint**: https://acsaf.org/
- **access model**: open
- **licence**: EUMETSAT/AC SAF data access terms
- **cost model summary**: AC SAF product access via EUMETSAT AC SAF product and data access pages.
- **primary data portal url**: https://acsaf.org/
- **use cases**: ["total ozone column","GOME-2 atmospheric composition monitoring","ozone-layer monitoring"]
- **deployment context**: orbital
- **entity type**: data_product
- **last verified date**: 2026-06-13
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: eumetsat
- **attributes**: {"level":"L3","distributor":"eumetsat","access_endpoint":"https://acsaf.org/","access_model":"open","licence":"EUMETSAT/AC SAF data access terms","cost_model_summary":"AC SAF product access via EUMETSAT AC SAF product and data access pages.","primary_data_portal_url":"https://acsaf.org/","use_cases":"[\"total ozone column\",\"GOME-2 atmospheric composition monitoring\",\"ozone-layer monitoring\"]","deployment_context":"orbital"}
- **relevance**: in-scope

## Editorial
AC SAF GOME-2 Total Ozone Column is an EUMETSAT Atmospheric Composition Satellite Application Facility product family for total ozone column monitoring from GOME-2 instruments [^ac-saf-products]. The family spans near-real-time, offline, and data-record categories, so buyers should treat delivery class and processing-level detail as product-specific across the family [^ac-saf-products]. The release 2 GOME-2 ozone total-column density data record supports users who need archived total-ozone data for ozone-layer monitoring and atmospheric-composition analysis [^eumetsat-o3m-110]. Access is via AC SAF and EUMETSAT product access channels under the listed EUMETSAT and AC SAF data access terms [^ac-saf-products].

## Compositional position
- ozone-stratosphere (topics) --[topic_capabilities]--> AC SAF GOME-2 Total Ozone Column

## Sources
- [ac-saf-products] | AC SAF product list and data access pages | https://acsaf.org/ | tier=agency-doc | accessed=2026-06-13
- [eumetsat-o3m-110] | GOME-2 O3 Total Column Density Data Record Release 2, EUMETSAT User Portal | https://user.eumetsat.int/catalogue/EO%3AEUM%3ADAT%3AMETOP%3AO3M-110 | tier=agency-doc | accessed=2026-06-13

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Source: https://eo-atlas.org/data_products/ac-saf-gome-2-total-ozone
Maintainer: SpectraWorks B.V. (CC-BY 4.0)