Abstracts
SEARCH Open Science Meeting
October 27, 2003
Seattle, Washington, USA
Arctic Climate Simulations by Coupled Models
Annette Rinke1, Klaus Dethloff2
1Alfred Wegener Institute for Polar and Marine Research, Telegrafenberg A43, Potsdam, 14437, Germany, Phone 49-331-288-2130, Fax 49-331-288-2178, arinke@awi-potsdam.de
2Alfred Wegener Institute for Polar and Marine Research, Telegranberg A43, Potsdam, 14473, Germany, Phone 49-331-288-2104, Fax 49-331-288-2178, dethloff@awi-potsdam.de
The global coupled models differ significantly with respect to both magnitude and distribution of future changes predicted for the Arctic. An approach of model hierarchy and model ensembles is a powerful instrument for addressing the Arctic climate and its variability. First, the performance of global coupled models is presented. Inappropriate parameterization of Arctic processes and a coarse resolution are still the disadvantages of the global coupled models. An alternative approach is the regional climate modeling. The performance of atmospheric regional models is presented. First results of the Arctic Regional Climate Model Intercomparison Project are presented. The development of coupled regional models is still under way. Considering the pan-Arctic domain, so far, only two models were applied for case studies. These results highlight the need for a deeper understanding of the atmosphere-ocean-sea ice interactions on the regional scale.
Abstract Categories: Keynote
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