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Public access to this dataset will be closed on June 1st, 2023. For more information and possible alternatives, please consult the dedicated page on Decommissioning of ECMWF Public Datasets service. |
The ECMWF's first atmospheric reanalysis of the 20th Century is known as ERA-20C and it provides a long, gridded dataset of many climate variables, spanning 1900-2010. Observations assimilated include surface pressures from the International Surface Pressure Databank v3.2.6 and ICOADS v 2.5.1, and surface winds over the oceans from ICOADSv2.5.1. Upper-air and satellite data are omitted.
For details of ERA-20C are available at http https://www.ecmwf.int/en/researchforecasts/climate-reanalysis/datasets/search?search_api_fulltext=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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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-20crUser can download ERA-20C and ERA-20CM from the ECMWF Public Data Server .
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