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ERA-5 Version imprimable
Index de l'article
ERA-5
Coverage
Levels
Products
Access
Format
Other

Format

The data files are in the compressed netCDF4 format and are compatible with the CF convention. It defines the meaning of attributes, the naming of variables, the units, the coordinate variables.

The files are organized by variable, by month for analysis  4xdaily fields, by day for hourly analysis dataset, by day and by time for forecast dataset.  

Related file Naming and Structure information

The ECMWF data are stored on the directory: /bdd/ERA5/
  • The subdirectories are the following:

/FFF/GEO/XXX/AA_LL/YYYY/[MM]/name_file

FFF: format (NETCDF)

GEO: is the geographical area and the associated resolution: GLOBAL_RESOL

RESOL: 025

XXX: is the temporal resolution (4xdaily or hourly)
AA_LL: AA is the type of data (AN for Analysis or FC for Forecast)
                 LL is the level type (SF, PL, ML)

    SF: surface
    PL: Pressure level
  

YYYY: year

MM: month 

  • File names:

NAME.YYYY[MM][DD].[TIME].ABCe5.GEO_RESOL.EXT

NAME: is the netcdf parameter name (see table)
YYYY: year
MM: month 

DD: day (for hourly parameters only)

TIME=600 or 1800 (for forecast parameters only)

A: type(a: analysis, f:forecast)
B: level type (s:surface,v: surface , p: pressure level, m: model level)
C: temporal resolution (h: 4 x daily or hourly, d: daily mean, m: monthly mean)

GEO_RESOL=GLOBAL_025

 EXT: format (.nc forNetcdf)

 


Dernière mise à jour : ( 17-04-2018 )
 
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