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CORDEX Africa

[Contributions to CORDEX-CORE]

Scientists from all over the world are working on the African modeling domain. The different groups are employing different regional climate models as to establish a common ensemble of climate projections as large as possible.

Model domain

For Africa, the simulations are performed on a rotated grid with the pole at 180°W longitude and 90°N latitude.The domain covers approximately the region from about 29°W to 65°E longitude and 50°S to 47°N latitude.

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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-Africa domain is given in the following table together with the definition of the recommended external parameter data file .

Contributing partners from the CLM-Community

KIT, Karlsruhe                           Hans-Jürgen Panitz, Hendrik Feldmann

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PIK, Potsdam                            Matthias Büchner

Highlights

Simulations performed or planned by the CLM-Community

Runs at 0.44° (approx. 50 km) 

An evaluation run was performed by KIT Karlsruhe using ERA-Interim data (Dee et al., 2011) as boundary forcing for the time period 1989 - 2008. To establish an ensemble of climate projections different forcing GCMs and scenarios listed in the table below were employed.

Model Setup

Version: int2lm_090213_1.9_clm3/ cosmo_090213_4.8_clm17

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INT2LM OUTPUT (You are not authorised to download.)

Higher resolution runs at 0.22° (approx. 25 km)

Again, an evaluation run was performed by KIT Karlsruhe using ERA-Interim data as boundary forcing for the time period 1989 - 2008.

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One historical run (1950 - 2005) forced by MPI-ESM-LR realization r1i1p1 has also been carried out at the higher resolution of 25 km with cosmo4.8_clm17.

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CORDEX-CORE Africa CORDEX-CORE Africa

Simulations performed or planned for CORDEX-CORE

For CORDEX-CORE simulations will be performed with cosmo5.0_clm15 with a resolution of 25 km (AFR-22)

Model setup

Version: iint2lm_131101_2.00_clm4 / cosmo_131108_5.00_clm15

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AFR-22 setup ERAINT(1): OUTPUT_CORDEX_CORE_AFR22_Tegen_ERAInterim_int2lm_131101_2.00_clm4 (You are not authorised to download.)

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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

References

Dosio A., H.-J. Panitz, M. Schubert-Frisius, D. Luethi (2015): Dynamical downscaling of CMIP5 global circulation models over CORDEX-Africa with COSMO-CLM: evaluation over the present climate and analysis of the added value. Climate dynamics, 44 (9-10), 2637–2661. doi:10.1007/s00382-014-2262-x

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Thiery, W., E.L. Davin, H.-J. Panitz, M. Demuzere, S. Lhermitte, N. van Lipzig (2015): The impact of the African great lakes on the regional climate. Journal of climate, 28 (10), 4061–4085. doi:10.1175/JCLI-D-14-00565.1.

Conferences

Panitz H.-J., M. Schubert-Frisius, K. Meier-Fleischer, P. Lenzen, S. Legutke, K. Keuler, D. Lüthi, A. Lettenbauer, A. Dosio (2013): CORDEX Climate Simulations for Africa using COSMO-CLM (CCLM). Geophysical Research Abstracts, Vol. 15, EGU2013-1387, EGU General Assembly 2013, Vienna

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