Page Comparison

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Scientists from all over the world working on the European domain are organized in the EURO-CORDEX community. The different groups use different regional climate models to create a large ensemble of regional climate projections.

Model domain

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For Europe, the simulations are performed on a rotated grid with the pole at 162°W longitude and 39.25°N latitude. The domain covers approximately the region from about 22°W to 45°E longitude and 27°N to 72°N latitude.

In EURO-CORDEX many projections have been performed on the high resolution 0.11° (approx. 12 km) grid. Many more More simulations have been performed done at 0.44° (approx. 50 km) to enable a large ensemble of climate projections. An overview of the simulations in EURO-CORDEX is available here.

In order to increase the reproducibility of the simulation results and to avoid misinterpretation of the results, the COSMO-CLM model grid for the CORDEX-EU domain is given in the following table provided here 🔑 together with the definition of the recommended external parameter data file.

Contributing partners from the CLM-Community

• Klaus Keuler (BTU Cottbus)

• Silje Sørland (ETH Zurich)

• Heimo Truhetz (University of Graz)

• Christian Steger (DWD)

• Hendrik Feldmann (KIT)

Highlights

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The figure shows the mean seasonal and mean annual temperature bias (1989-2008) [K] of the ERA-Interim driven EURO-CORDEX ensemble for the European sub-domains Eastern Europe (EA), Iberian Peninsula (IP), Central Europe (ME), and Scandinavia (SC). Filled circles: 12 km grid widthspacing, open circles: 50 km grid widthspacing. The gray bars denote the bias range of the ERA40-driven ENSEMBLES experiement experiment (25 km grid width) in the period 1981-2000: entire range in light gray, inter-quartile range (corresponding to eight models) in dark gray, and median as a solid line.

Simulations performed or planned by the CLM-Community with

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COSMO-CLM-4-8-17

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Runs at 0.11° (approx. 12 km)

An evaluation run was performed by BTU Cottbus using ERAinterim data (Dee et al., 2011) as boundary forcing for data for the time period 1989 - 2008. To establish an ensemble of climate projections different the forcing GCMs and greenhouse gas scenarios (RCPs) listed in the table below were have been employed.

Data of the published runs are stored in EGSF data archive.

Highlights of CCLM_4-8-17 EURO-CORDEX, EUR-11, simulations under scenario RCP2.6 (H.-J. Panitz, IMK-TRO/KIT, June 2017)

• Forcing: EC-EARTH, r12i1p1., RCP2.6
• Figures show climate change signals(CCS) for far future (2071-2100) relative to period 1971-2000 in 8 PRUDENCE/ENSEMBLES regions and for the whole model domain (EU)Left figures: CCS (K) for temperature in 2m height
• Right figures: CCS (%) for total precipitation
• First row :comparison of CCLM results with the results from RCA and RACMO simulations performed by SMHI and KNMI, respectively, which also used EC-EARTH, r12i1p1, RCP2.6 as driving GCM (red: CCLM, blue: RCA, green: RACMO)
• Second row: comparison of CCLM, RCP2.6, results with the results of CCLM simulations that used RCP4.5 and RCP8.5 (green: CCLM_RCP2.6, blue: CCLM_RCP4.5, red: CCLM_RCP8.5)

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Model Setup

0.11 simulation

Version: int2lm_v1.10_clm6 / cosmo_090213_4.8_clm_17

Configuration outputs of the ERA-Interim driven simulation:

- COSMO-CLM YUSPECIF (You are not authorised to download.)

- INT2LM OUTPUT (You are not authorised to download.)

The data of the simulations which are listed as "published" are on the EGSF data portal.

Low resolution runs at 0.44° (approx. 50 km)

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Model Setup

• 0.

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• 11 simulation

• Version: int2lm_v1.10_

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• clm6 / cosmo_090213_4.8_clm_17

• Configuration outputs of the ERA-Interim driven simulation:

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• • COSMO-CLM YUSPECIF (

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• • not yet available)
    

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• • INT2LM OUTPUT (

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• • not yet available)

Runs at 0.44° (approx. 50 km)

An evaluation run was performed by BTU Cottbus using ERAinterim data (Dee et al., 2011) as boundary forcing for the time period 1989 - 2008.

Simulations performed or planned by the CLM-Community with CCLM-5-0-6

High resolution runs at 0.11° (approx. 12 km) - Model Setup

Version: ??? / cosmo_131108_5.00_clm6Model Setup

• 0.44 simulation

• Version: int2lm_v1.10_clm9 / cosmo_090213_4.8_clm_17

• Configuration outputs of the ERA-Interim driven simulation:

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• • COSMO-CLM YUSPECIF (not yet available)
    

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• • INT2LM OUTPUT (not yet available)
    

Simulations performed or planned by the CLM-Community with COSMO-CLM-5-0-6

Runs at 0.11° (approx. 12 km)

An evaluation run is planned by the Wegener Center using ERAinterim data (Dee et al., 2011) as boundary forcing for the time period 1989 - 2008.

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Model Setup

• Version: ??? / cosmo_131108_5.00_clm6

• Configuration outputs of the ERA-Interim driven simulation:

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• • COSMO-CLM YUSPECIF (not yet available)

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• • INT2LM OUTPUT (not yet available)

Runs at 0.44° (approx. 50 km)

An evaluation run was performed by ETH using ERAinterim data (Dee et al., 2011) as boundary forcing for the time period 1979 - 2000.

Model Setup

• Version: ??? / cosmo_131108_5.00_clm6

• Configuration outputs of the ERA-Interim driven simulation:

  • COSMO-CLM YUSPECIF (not yet available)

  • INT2LM OUTPUT (not yet available)

References

Dee, DP et al., 2011: The ERA-Interim reanalysis: configuration and performance of the data assimilation system. Q J R Meteorol Soc, 137(656), 553-597

Gobiet, A. & D. Jacob (2011): The EURO-CORDEX-Initiative. WCRP Open Science Conference Denver, 24-28 Oct. 2011.  Poster no. W108B

Jacob, D.; Petersen, J.; Eggert, B.; Alias, A.; Christensen, O. B.; Bouwer, L.; Braun, A.; Colette, A.; Déqué, M.; Georgievski, G.; Georgopoulou, E.; Gobiet, A.; Menut, L.; Nikulin, G.; Haensler, A.; Hempelmann, N.; Jones, C.; Keuler, K.; Kovats, S.; Kröner, N.; Kotlarski, S.; Kriegsmann, A.; Martin, E.; Meijgaard, E.; Moseley, C.; Pfeifer, S.; Preuschmann, S.; Radermacher, C.; Radtke, K.; Rechid, D.; Rounsevell, M.; Samuelsson, P.; Somot, S.; Soussana, J.-F.; Teichmann, C.; Valentini, R.; Vautard, R.; Weber, B. & Yiou, P. (2013): EURO-CORDEX: new high-resolution climate change projections for European impact research Regional Environmental Change, Springer Berlin Heidelberg, 2013, 1-16

Keuler, K. ,K. Radtke, S. Kotlarski, D. Lüthi (2016): Regional climate change over Europe in COSMO-CLM: Influence of emission scenario and driving global model. Met. Z., Vol. 25 No. 2, p. 121 - 136, DOI: 10.1127/metz/2016/0662

Kotlarski S, K. Keuler, O.B. Christensen, A. Colette, M. Déqué, A. Gobiet, K. Goergen, D. Jacob, D. Lüthi, E. van Meijgaard, G. Nikulin, C. Schär, C. Teichmann, R. Vautard, K. Warrach-Sagi, V. Wulfmeyer (2014): Regional climate modelling on European scales: A joint standard evaluation of the EURO-CORDEX RCM ensemble. Geoscientific Model Development, 7, 1297-1333, doi: 10.5194/gmd-7-1297-2014.

Vautard, R.; Gobiet, A.; Jacob, D.; Belda, M.; Colette, A.; Déqué, M.; Fernández, J.; García-Díez, M.; Goergen, K.; Güttler, I.; Halenka, T.; Karacostas, T.; Katragkou, E.; Keuler, K.; Kotlarski, S.; Mayer, S.; Meijgaard, E.; Nikulin, G.; Patarčić, M.; Scinocca, J.; Sobolowski, S.; Suklitsch, M.; Teichmann, C.; Warrach-Sagi, K.; Wulfmeyer, V. & Yiou, P. (2013): The simulation of European heat waves from an ensemble of regional climate models within the EURO-CORDEX project Climate Dynamics, Springer-Verlag, 2013, 1-21

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