Copernicus is an European system for monitoring the Earth. The Copernicus programme is owned and managed by the European Commission, but also involves many other organizations with specialist expertise, for example in operating satellites, in environmental monitoring, etcetera. Read more about the Copernicus programme.

ECMWF is an international weather forecasting centre and a world leader in meteorology and climate science. Read more about ECMWF.

ECMWF's role in Copernicus is twofold:

The Copernicus Delegation Agreements

The technical annexes that set out what each Copernicus Service has agreed to deliver are available on the European Commission's Copernicus website.

This document has been produced in the context of the Copernicus Atmosphere Monitoring Service (CAMS) and Copernicus Climate Change Service (C3S).

The activities leading to these results have been contracted by the European Centre for Medium-Range Weather Forecasts, operator of CAMS and C3S on behalf of the European Union (Delegation Agreement signed on 11/11/2014 and Contribution Agreement signed on 22/07/2021). All information in this document is provided "as is" and no guarantee or warranty is given that the information is fit for any particular purpose.

The users thereof use the information at their sole risk and liability. For the avoidance of all doubt , the European Commission and the European Centre for Medium - Range Weather Forecasts have no liability in respect of this document, which is merely representing the author's view.

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