Please acknowledge the use of CAMS data as stated in the CAMS license agreement or Copernicus licence agreement:

Any such publication or distribution shall state that "neither the European Commission nor ECMWF is responsible for any use that may be made of the information it contains."


You also might want to reference this paper which describes the global CO2 CAMS data in more detail:

For CAMS CH4 data please refer to:

On data assimilation for CHEM using the C-IFS (Composition Integrated Forecasting System):

For CO2 and CH4 concentrations from the MACC flux inversion systems, please acknowledge Bergamaschi et al. (2007, 2009) and Chevallier et al. (2010). See the list of the publications documenting the two products below.

For AOD, please refer to:

For GFAS, please refer to:

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