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Getting data from the CDS disks provides the fastest access to ERA5.
ERA5 data in MARS can be accessed using the CDS API, but access is relatively slow.
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NOTE: MARS has stream and type, CDS only has product type. MARS has levtype but CDS puts that into the dataset. eg product_type=ensemble_spread is given by stream=enda or ewda, type=es, levtype=sfc or pl (not for ewda). |
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ERA5 data on the CDS disks can be downloaded either from the relevant CDS download page or, for larger data volumes in particular, using the CDS API. Subdivisions of the data are labelled using dataset and product_type. Datasets reanalysis-era5-single-levels and reanalysis-era5-pressure-levels contain the following (sub-daily) product types:
Datasets reanalysis-era5-single-levels-monthly-means and reanalysis-era5-pressure-levels-monthly-means contain the following (monthly) product types:
Datasets reanalysis-era5-single-levels-preliminary-back-extension and reanalysis-era5-pressure-levels-preliminary-back-extension contain the following (sub-daily) product types:
Datasets reanalysis-era5-single-levels-monthly-means-preliminary-back-extension and reanalysis-era5-pressure-levels-monthly-means-preliminary-back-extension contain the following (monthly) product types:
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ERA5 data in MARS can be accessed using the CDS API, but access is relatively slow.
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ERA5 data in MARS can be accessed with the CDS API by specifying dataset whereas member state users can access data in MARS by specifying class and expver, according to the following table:
Subdivisions of the data are labelled using the keywords stream, type and levtype: Stream:
Type:
Levtype:
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