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| Code Block | ||||
|---|---|---|---|---|
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import cdsapi
c = cdsapi.Client()
c.retrieve(
'cams-global-atmospheric-composition-forecasts-test',
{
'date': '2026-01-01/2026-01-10',
'type': 'forecast',
'format': 'netcdf_zip',
'model_level': '137', # Lowest model level only
'variable': [ 'biogenic_secondary_organic_aerosol_mass_mixing_ratio',
'anthropogenic_secondary_organic_aerosol_mass_mixing_ratio',
'glyoxal',
'secondary_organic_aerosol_optical_depth_550nm',
'total_column_glyoxal' ], # See other variables at:
'time': '00:00', # https://ads.atmosphere.copernicus.eu/datasets/cams-global-atmospheric-composition-forecasts?tab=download
'leadtime_hour': [h for h in range(0,25,3)],
'area': [70, -35, 35, 60] # [N,W,S,E] Europe area boundaries
},
'cams_test_20260101_10.nc.zip') |
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ECMWF data portal (aux.ecmwf.int; SFTP/FTP/HTTPS data access)
The test dataset is available through ECPDS FTP dissemination systems ECMWF data portal (aux.ecmwf.int; SFTP/FTP/HTTPS data access) in these directories:
| Code Block |
|---|
/DATA/CAMS_GLOBAL_TEST /DATA/CAMS_GLOBAL_ADDITIONAL_TEST /DATA/CAMS_EUROPE_BC_TEST |
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