![]() The aim of the study was to determine the optimal settings for the CALMET/CALPUFF models with regard to the digital elevation model dataset (GTOPO30, SRTM3, NED), grid resolution (ranging from 100 to 4000 m) and the terrain adjustment methods available in the CALPUFF model (MCTADJ = 0, 1, 2 and 3). Each experiment concerned an area characterized by different topography, meteorological conditions, emission source features and the location of tracer substance monitors (SO2, SF6). ![]() Martin's Creek (SO2), Lovett (SO2) and Tracy Power Plant (SF6). Research was conducted based on three experimental databases for the dispersion model evaluation, i.e. In the article the results of the evaluation for the CALMET/CALPUFF modeling system in near-field and complex terrain were presented. Simultaneously, the primary aim is to obtain predictions of satisfying accuracy. One of the basic problems is the selection of input data of adequate quality in combination with a uniform configuration of the modeling systems. Effective and accurate modeling of air quality in complex terrain constitutes one of the main challenges for the community of modelers.
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