Research Cluster "Climate Systems"
The third cluster, climate systems, will focus on short- and long-term global and regional climate responses to anthropogenic emissions. The disciplinary home of this cluster is geophysical climate system science. The transition of regional climates will be investigated in terms of surface air temperatures, precipitation, soil moisture and their extremes, as diagnosed from the CMIP5 complex model ensembles. In addition, this cluster will incorporate the further development of a regional probabilistic sea level rise model and extreme events, monsoon transitions, permafrost feedbacks and other tipping points. This cluster will go beyond the independent diagnosis of geophysical climate induced changes and build a globally synchronized geophysical impact model. A key part of this is the EXPACT model, which will be used to study and parameterize the synchronicity and dependency of regional extreme droughts, flooding, or heat waves – for example by being linked to an ENSO model. This simple ENSO model will be statistically derived from the CMIP5 diagnosis in conjunction with historical observations. Several original PhD studies will form parts of this synchronised model framework.