ICHEC completes global climate simulations

The Irish Centre for High-End Computing (ICHEC), in collaboration with Met Éireann, completed a large ensemble of global climate simulations on the ICHEC supercomputing systems. The research is funded by the EPA, Met Éireann and Marine Institute.

The resulting datasets comprise Ireland’s contribution to the Coupled Model Intercomparison Project (phase 6) (CMIP6) and will be included for assessment in the U.N. Intergovernmental Panel on Climate Change (IPCC) AR6 reports. The datasets have size ~500 TB and are hosted on the ICHEC ESGF node for sharing with the international research community.

Three sets of visualizations are available; 2m TemperaturePrecipitation and Sea Ice Fractions

In total, five historical (1850-2014) and twenty ScenarioMIP simulations (2015-2100) were run. The future climate was simulated under the full range of ScenarioMIP “tier 1” Shared Socioeconomic Pathways (SSPs); SSP1-2.6, SSP2-4.5, SSP3-7.0 & SSP5-8.5. Each panel of the visualization presents the mean of five EC-Earth ensemble members.

The climate was simulated using the EC-Earth Atmosphere-Ocean General Circulation Model. The atmosphere was simulated with ~79km horizontal grid spacings (T255) and 91 vertical levels. The ocean was simulated with 1-degree horizontal resolution and 75 vertical levels.

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