DBPapers

VERTICAL STRUCTURE OF SOME POLLUTANT OVER BULGARIA - OZONE AND NITROGEN DIOXIDE

G. Gadzhev, K. Ganev
Wednesday 19 December 2018 by Libadmin2018

ABSTRACT

The numerical simulations for the vertical structure of atmospheric composition fields over Bulgaria have been performed using the US EPA Model-3 system as a modelling tool for 3D simulations and the system nesting capabilities were applied for downscaling the simulations from 81 km to 9 km grid resolution over Bulgaria. The national emission inventory was used as an emission input for Bulgaria, while outside the country the emissions are from the TNO high resolution inventory. The air pollution pattern is formed as a result of complex interactions of different processes in different spatial and temporal scales, so if know the contribution of each, for different meteorological conditions and given emission spatial configuration and temporal behaviour is very helpful for understanding the atmospheric composition and pollutants behaviour. Numerically obtained characteristics for the vertical structure of the atmospheric composition of ozone and nitrogen dioxide will be demonstrated in the paper.

Keywords: Modeling, vertical structure, air pollution, atmospheric composition, numerical simulation


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