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Within each ERA5 project code, you will find the data organised by the following structure: 

  • Sub-collectionDataset
  • (n/a for ERA5-Land data)Dataset 
  • Product-type
  • Parameter
  • Year

...

Info
iconfalse
titleERA5-Land

/g/data/<project-code>/<sub-collection>/<product-type>/<parameter>/<year>/<file.nc>


Info
titleERA5-derivedpreliminary

/g/data/<project-code>/<sub-collection>/<dataset>/<product-type>/<parameter>/<year>/<file.nc>


Info
titleERA5-preliminaryderived

/g/data/<project-code>/<sub-collection>/<version><dataset>/<version>/<product-type>/<parameter>/<file.nc>



The following table provides examples of the possible options within these fields:   

CategoryValue

ERA5 project code

e.g., 'rt52', 'zz93', 'uc16' (see table)
Sub-collection

era5

era5-1

era5-land

era5-derived

era5-preliminary

Dataset 

single-levels

pressure-levels

cems 

wfde5

Product Type

reanalysis*

monthly-averaged**

monthly-averaged-by-hour***

Parameter


Info

NCI uses the parameter 'shortName'. Parameter lists can be found in the ECMWF ERA5 documentation:

ERA5

ERA5-Land

*Please see ERA5 Parameter Shortname Exceptions page for known exceptions.


Year

<YYYY> format

Filename

parameter_sub-collection_product-type_dataset_YYYYMMDD-YYYYMMDD.nc

parameter_sub-collection_dataset_version_YYYYMMDD-YYYYMMDD.nc  (era5-derived cesm data)

parameter_sub-collection_dataset_version_product-type.nc (era5-derived wfde5 data)<var>_WFDE5_<reference_dataset>_<YYYYMM>_v<version>.nc  ?

* High-resolution sub-daily reanalysis data, also referred to as 'oper' or 'wave' in the case of wave data. 

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