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MiKlip (German: Mittelfristige Klima-Prognosen) was a German research program with the aim to develop a decadal climate prediction system (Marotzke et al., 2016). The project ended in 2020. Twoards Towards the end of the program, the gloable global forecasting system has been transfered transferred to DWD and it will be used for the operational production of decadel predicitonsdecadal predictions. MiKlip was organized in into 5 modules:
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The global prediction system uses the Max-Planck Institute for Meteorology Earth-System Model MPI-ESM.
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GCM: MPI-ESM-LR and MPI-ESM-LR (Atmosphere: T63L95, Ocean: 0.4° TP L40)
Initialization – Ocean – anomalies from ORA S4 ocean re-analysis, Atmosphere – full field ERA
Ensemble size – 10 member members (LR), 5 member members (MR)
Starting years: 1960 – 2016 (e.g. simulation period decadal1960 = 01.01.1961 – 31.12.1970)
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GCM: MPI-ESM-LR
Initialization – Ocean – full field from ORA S4 and GECCO2 ocean re-analysis, Atmosphere – full field ERA
Ensemble size – 15 (ORA S4 init.) + 15 (GECCO2 init.)
Starting years: 1960 – 2014 (e.g. simulation period decadal1960 = 01.01.1961 – 31.12.1970)
4. preop (pre-operational)
GCM: MPI-ESM-HR (Atm: T127L95, Ocean: 0.4° TP L40)
Initialization – as in baseline1
Ensemble size – 5 member members (CMIP5 forcings), 10 member members (CMIP6 forcings)
Starting dates: 01.11.1960 – 01.11.2017
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Additionally, experiments have been performed to investigate the climate variability and trend over the whole 20th century for Europe, including re-analysis driven simulations based on NCEP 20CR and ERA20CC, MPI_ESM-LR decadal hindcasts, and historical simulations.
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