AN IMPROVED VERSION OF THE MICROSCALE FLOW MODEL MISCAM-EVALUATION ACCORDING TO VDI GUIDELINE 3783/9

INTRODUCTION The flow and dispersal model MISCAM has gained a high level of acceptance throughout Germany and some neighboring countries. This can be deducted from the high number of implementations which is expected to reach 100 in the near future. The increasing demand on meteorological expertise based on numerical modeling demands a detailed quantitative validation of this type of models. Since late 2005, an evaluation guideline (VDI 3783/9) for obstacle resolving microscale flow models is available. Recently (Eichhorn, J. and A. Kniffka, 2007) the current MISCAM version 5.02 has been thoroughly examined according to this guideline.