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You can use this link to directly access the data in the MARS catalogue (please remember that ecCodes version 2ecCodes version 2.28.0 or later is required to handle the full range of parameters of current CAMS data).
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If you don't have access to ECMWF computers but would still like to access a large subset of test data, you can use retrieve fields of the cams-global-atmospheric-composition-forecasts-test dataset using the Copernicus Atmosphere Data Store API service.
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Read documentation of the Copernicus Atmosphere Data Store API. |
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