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To generate this ERA5-land hourly time series dataset, homogenisation conventions have been applied to the ERA5 source GRIB data to ensure consistency, usability, and alignment across chosen variables and time steps. The processed data were then written to an ARCO Zarr archive, enabling efficient cloud-optimised access and scalable data retrieval. Please see details below. The dataset presented here is a subset of selected parameters from the full CDS ERA5 hourly data on single levels (1940–present). Requirements for additional parameters may be considered. Please raise your request with ECMWF Support here. |
Introduction
ERA5-Land is a reanalysis dataset providing a consistent view of the evolution of land variables over several decades at an enhanced resolution compared to ERA5. It covers the period from January 1950 to the present with hourly sampling and continues to be extended forward with 5 days behind real time.
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