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Proposing Institution

Institut für Meteorologie und Klimaforschung, Zugspitze KIT
Project Manager

Dr. Peter Anthoni
Kreuzeckbahnstr. 19
82467 Garmisch-Partenkirchen
The simulations proposed here contribute to phase 6 of the Coupled Model Intercomparison Project (CMIP6), which is coordinated by the World Climate Research Program (WCRP). The model runs will also contribute to the Sixth Assessment Report (AR6) of the International Panel on Climate Change (IPCC). CMIP6 aims to improve understanding of past, present and future climate changes due to natural or anthropogenic changes in radiative forcing.Anthropogenic land-use changes have altered the biogeochemical and biophysical properties of the Earth surface, thereby directly affecting regional and global climate. However, the inclusion of land-use changes is a relatively recent feature in global climate models: During the last phase of the Coupled Model Intercomparison Project (CMIP5), the influence of land-use change on climate has been investigated for the first time on a gridded scale in an ensemble of global climate models. Although the effects in these experiments were complex and sometimes not well understood, they were large enough to justify expanded activity on this subject in the next phase of CMIP. CMIP6 involves a sub-project (LUMIP, https://cmip.ucar.edu/lumip, Lawrence et al. 2016) dedicated to the role of land-use in the climate system. LUMIP will coordinate a number of idealized and realistic experiments, which should be performed by many different climate models.Our intention is to contribute to LUMIP with the newest version of the EC-Earth model (http://www.ec-earth.org). EC-Earth is a complex Earth System Model (Hazeleger et al. 2012) that is based on the European Centre for Medium-Range Weather Forecasts (ECMWF) weather prediction model which is coupled to an ocean/sea ice model and is currently expanded by additional components to include dynamic vegetation processes, atmospheric chemistry, and marine biogeochemistry. This results in an Earth System Model with the ability to simulate the full carbon cycle, and investigate carbon cycle feedbacks in the climate system. Using this newest version of EC-Earth we propose to perform our LUMIP simulations on the SuperMUC system because running this model for decades or centuries and storing the output requires extensive computing capacities far exceeding our local facilities. Initial scaling tests confirm the suitability of SuperMUC to perform EC-Earth simulations.

Impressum, Conny Wendler