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ANALYSIS OF DYNAMICAL AND CHEMICAL PROCESSES WHICH FORM ATHMOSPHERIC COMPOSITION OVER BULGARIA
Abstract
The atmospheric composition research was based on extensive computer simulations carried out with good resolution using up-to-date modelling tools and detailed and reliable input data. Extensive numerical simulations of the atmospheric composition fields in Bulgaria have been performed using the US EPA Model-3 system used as a modelling tool for 3D simulations. The extensive data base that was created from the simulations was used for different studies of the atmospheric composition. The air pollution pattern is formed as a result of interaction of different processes, so knowing the contribution of each one of these processes for different meteorological conditions and given emission spatial configuration and temporal profiles could be helpful for understanding the atmospheric composition and air pollutants behaviour. Analysis of the contribution of these different processes (chemical and dynamical) which form the atmospheric composition in chosen region will be demonstrated in the present paper.
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