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For details of ERA-20C are available at http://www.ecmwf.int/en/research/climate-reanalysis/era-20c

 


ECMWF also released an "AMIP style" (Atmospheric Model Intercomparison Project) version of the 20th Century reanalysis, known as ERA-20CM, which includes no data assimilation. It's an ensemble of ten atmospheric model integrations for the years 1899–2010.

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ERA-20C and ERA-20CM are forced with the same time-varying SSTs, sea ice concentrations from HadISST2.1.0.0, and radiative forcings from CMIP5.

 


For a comparison of ECMWF's ERA-20C with NOAA's 20CR see https://climatedataguide.ucar.edu/climate-data/era-20c-ecmwfs-atmospheric-reanalysis-20th-century-and-comparisons-noaas-20cr

 

Note that User can download ERA-20CMv0 is an experimental version and public access to this data will be disabled in the future. Existing users of ERA-20CMv0 should migrate to the final version as soon as possible.

 

ERA-20C, ERA-20CM and ERA-20CMv0 may be downloaded 20C and ERA-20CM from the ECMWF Public Data Server . 

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