Journal
GEOSCIENTIFIC MODEL DEVELOPMENT
Volume 15, Issue 7, Pages 2973-3020Publisher
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/gmd-15-2973-2022
Keywords
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Categories
Funding
- European Union [748750, 708063, 824084, 641727, 641816, 800154]
- Generalitat de Catalunya (Secretaria d'Universitats i Recerca del Departament d'Empresa i Coneixement) through the Beatriu de Pinos program
- strategic research area Modeling the Regional and Global Earth Sys-tem (MERGE)
- Lund University Centre for Studies of Carbon Cycle and Climate Interactions (LUCCI)
- Swedish national strategic e-science research program eSSENCE
- Swedish Research Council (Vetenskapsradet) [621-2013-5487]
- European Research Council under the European Community [610055]
- NordForsk [76654]
- Danish National Center for Climate Research (NCKF)
- Helmholtz Association in its ATMO program
- Ministerio de Ciencia, Innovacion y Universidades [CGL2017-84493R]
- Marie Curie Actions (MSCA) [800154, 708063, 748750] Funding Source: Marie Curie Actions (MSCA)
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EC-Earth3 is a Earth system model contributing to CMIP6, featuring a flexible coupling framework, various model configurations, ensuring simulations comparability across different HPC systems, and demonstrating improved physical and dynamic features. It represents a clear step forward for European community ESM with improved physical performance compared to CMIP5 version.
The Earth system model EC-Earth3 for contributions to CMIP6 is documented here, with its flexible coupling framework, major model configurations, a methodology for ensuring the simulations are comparable across different high-performance computing (HPC) systems, and with the physical performance of base configurations over the historical period. The variety of possible configurations and sub-models reflects the broad interests in the EC-Earth community. EC-Earth3 key performance metrics demonstrate physical behavior and biases well within the frame known from recent CMIP models. With improved physical and dynamic features, new Earth system model (ESM) components, community tools, and largely improved physical performance compared to the CMIP5 version, EC-Earth3 represents a clear step forward for the only European community ESM. We demonstrate here that EC-Earth3 is suited for a range of tasks in CMIP6 and beyond.
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