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Title: HighResMIP versions of EC-Earth: EC-Earth3P and EC-Earth3P-HR - description, model computational performance and basic validation
Author: Haarsma, Rein
Acosta, Mario
Bakhshi, Rena
Bretonnière, Pierre Antoine
Caron, Louis Philippe
Castrillo, Miguel
Corti, Susanna
Davini, Paolo
Exarchou, Eleftheria
Fabiano, Federico
Fladrich, Uwe
Fuentes Franco, Ramón
García Serrano, Javier
von Hardenberg, Jost
Koenigk, Torben
Levine, Xavier
Meccia, Virna Loana
van Noije, Twan
van den Oord, Gijs
Palmeiro, Froila M.
Rodrigo, Mario
Ruprich Robert, Yohan
Le Sager, Philippe
Tourigny, Etienne
Wang, Shiyu
van Weele, Michiel
Wyser, Klaus
Keywords: Clima
Simulació per ordinador
Computer simulation
Biotic communities
Issue Date: 6-Aug-2020
Publisher: European Geosciences Union (EGU)
Abstract: A new global high-resolution coupled climate model, EC-Earth3P-HR has been developed by the EC-Earth consortium, with a resolution of approximately 40 km for the atmosphere and 0.25∘ for the ocean, alongside with a standard-resolution version of the model, EC-Earth3P (80 km atmosphere, 1.0∘ ocean). The model forcing and simulations follow the High Resolution Model Intercomparison Project (HighResMIP) protocol. According to this protocol, all simulations are made with both high and standard resolutions. The model has been optimized with respect to scalability, performance, data storage and post-processing. In accordance with the HighResMIP protocol, no specific tuning for the high-resolution version has been applied. Increasing horizontal resolution does not result in a general reduction of biases and overall improvement of the variability, and deteriorating impacts can be detected for specific regions and phenomena such as some Euro-Atlantic weather regimes, whereas others such as the El Niño-Southern Oscillation show a clear improvement in their spatial structure. The omission of specific tuning might be responsible for this. The shortness of the spin-up, as prescribed by the HighResMIP protocol, prevented the model from reaching equilibrium. The trend in the control and historical simulations, however, appeared to be similar, resulting in a warming trend, obtained by subtracting the control from the historical simulation, close to the observational one.
Note: Reproducció del document publicat a:
It is part of: Geoscientific Model Development, 2020, vol. 13, num. 8, p. 3507-3527
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ISSN: 1991-959X
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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