Multi-decadal Simulations¶
The second generation of global multi-decadal simulations produced with the Climate DT provide a consistent dataset covering the period 1990-2049, at resolutions of approximately 5 km for the atmosphere and land surface and between 5 and 10 km for the ocean and sea-ice, and with hourly temporal resolution. They include historical, projection, and control experiments with all three km-scale coupled climate models.
Historical (1990–2014)
Forced using standardised CMIP6 historical forcing, the historical simulations reproduce recent past climate conditions. They are essential for model evaluation and quality control, as they allow direct comparison to observations.
Projection (2015–2049)
Continuing directly from the historical run, the projection uses the Shared Socioeconomic Pathway (SSP) 3-7.0 scenario from ScenarioMIP. This scenario represents a future with continuously increasing CO2 emissions and no strong mitigation efforts.
Control (minimum 10 years from 1990)
Run with fixed 1990 forcing throughout, the control simulations provide a stable climate baseline used to quantify model drift and isolate externally forced signals.
Available Simulations¶
The table below lists all available multi-decadal simulations. Each experiment has a unique Experiment ID, which can be used to identify the simulation unambiguously across the user guide, chart viewer, and downstream analysis.
Experiment |
Realization |
Model |
Spatial Resolution |
Temporal extent |
Experiment ID |
|---|---|---|---|---|---|
Control simulations |
|||||
control |
1 |
ICON |
5km atmosphere 5km ocean/sea-ice |
01/01/1990–31/12/2009 |
climatedt-gen2-icon-baseline-cont-5km-r1 |
control |
1 |
IFS-FESOM |
5km atmosphere 5km ocean/sea-ice |
01/01/1990–31/12/1999 |
climatedt-gen2-ifs-fesom-baseline-cont-5km-r1 |
control |
1 |
IFS-NEMO |
5km atmosphere 10km ocean/sea-ice |
01/01/1990–31/12/1999 |
climatedt-gen2-ifs-nemo-baseline-cont-5km-r1 |
Historical simulations |
|||||
historical |
1 |
ICON |
5km atmosphere 5km ocean/sea-ice |
01/01/1990–31/12/2014 |
climatedt-gen2-icon-baseline-hist-5km-r1 |
historical |
1 |
IFS-FESOM |
5km atmosphere 5km ocean/sea-ice |
01/01/1990–31/12/2014 |
climatedt-gen2-ifs-fesom-baseline-hist-5km-r1 |
historical |
1 |
IFS-NEMO |
5km atmosphere 10km ocean/sea-ice |
01/01/1990–31/12/2014 |
climatedt-gen2-ifs-nemo-baseline-hist-5km-r1 |
Future projections |
|||||
SSP3-7.0 |
1 |
ICON |
5km atmosphere 5km ocean/sea-ice |
01/01/2015–31/12/2039 (ongoing) |
climatedt-gen2-icon-projections-ssp370-5km-r1 |
SSP3-7.0 |
1 |
IFS-FESOM |
5km atmosphere 5km ocean/sea-ice |
01/01/2015–31/12/2049 |
climatedt-gen2-ifs-fesom-projections-ssp370-5km-r1 |
SSP3-7.0 |
1 |
IFS-NEMO |
5km atmosphere 10km ocean/sea-ice |
01/01/2015–31/12/2049 |
climatedt-gen2-ifs-nemo-projections-ssp370-5km-r1 |
The simulation inventory is updated as new runs complete. The ICON projection is currently available through end of 2039 and will be extended as further output becomes available.