Abstract
In this study, the Weather Research and Forecasting model with chemistry (WRF-Chem v3.5) is applied to the area of Poland, for a period of 03.07-03.08.2006, when high concentrations of ground level ozone were observed. The meteorological and chemistry simulations were initiated with the ERA-Interim reanalysis and the TNO MACC-II emissions database. Simulations were performed for three one-way nested domains. The results from the innermost domain were examined and compared to measurements of ozone concentrations and meteorological variables. The modelled results show a general underestimation of measured ozone concentrations. For urban and suburban sites it is significantly higher during day time. Domain-wide estimations of temperature were also underestimated, and relative humidity and wind speed were overpredicted. The results may be further improved by adjusting physical parameterisations and including a more detailed emission input data into the model.
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