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Inconsistencies at the interface of climate impact studies and global climate research

By H. von Storch and Hamburg (Germany) Max-Planck-Institut fuer Meteorologie

Abstract

Most climate impacts studies, whether they deal with, for instance, terristric or marine ecosystems, coastal morphodynamics, storm surges and damages, or socio-economic aspects, utilize ''scenarios'' of possible future climate. Such scenarios are always based on the output of complex mathematical climate models, whenever they are in any sense detailed. Unfortunately, the user community of such scenarios usually is not well informed about the limitations and potentials of such models. On the other hand, the climate modeller community is not sufficiently aware of the demands on the side of the ''users''. The state of the art of climate models is revieved and the principal limitations concerning the spatial/time resolution and the accuracy of simulated data are discussed. The need for a ''downscaling strategy'' on the climate modeller side and for an ''upscaling'' strategy on the user side is demonstrated. Examples for successful exercieses in downscaling seasonal mean precipitation and daily rainfall sequences are shown. (orig.)Available from TIB Hannover: RR 1347(122) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

Topics: 08N - Meteorology, climatology, CLIMATES, GENERAL CIRCULATION MODELS, MONITORING, RAIN, AMBIENT TEMPERATURE, EUROPE, ACCURACY
Year: 1994
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Provided by: OpenGrey Repository
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