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Multi-decadal high-resolution historical simulations with the ECMWF global atmosphere model

Aug 2026 · Scientific Data · Vol 13 · 1 citation · 51 references
Medicine

Abstract

This paper describes an ensemble of global atmosphere reference simulations covering the period 1980 to 2023 produced with the European Centre for Medium-Range Weather Forecasts (ECMWF) Integrated Forecasting System (IFS). The resulting dataset consists of 6-hourly three-dimensional global outputs from higher- and lower-resolution configurations of the IFS, which have average horizontal grid spacings of ~9 km (one ensemble member) and ~28 km (ten ensemble members), respectively. The atmosphere is constrained by high-resolution satellite-based estimates of daily mean sea surface temperature and sea ice concentration and time-evolving external climate forcings, including observed greenhouse gas and estimated aerosol concentrations. These data were produced as part of the European Eddy-Rich Earth System Models (EERIE) project and will serve as a reference for corresponding ocean-atmosphere coupled simulations and idealised sensitivity experiments. We have made this dataset publicly available and expect it to be a valuable resource for scientific research and other applications that extend beyond the lifetime of the EERIE project.

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