Contribution of different emission sources to the atmospheric composition formation in the city of Sofia Online publication date: Tue, 16-Apr-2019
by Georgi Gadzhev; Ivelina Georgieva; Kostadin Ganev; Nikolay Miloshev
International Journal of Environment and Pollution (IJEP), Vol. 64, No. 1/2/3, 2018
Abstract: Some extensive numerical simulations of the atmospheric composition fields in Sofia city have been recently performed and an ensemble, comprehensive enough to provide statistically reliable assessment of the atmospheric composition climate has been constructed. The US EPA Models-3 system was chosen as a modelling tool. As the NCEP Global Analysis Data with one degree resolution is used as meteorological background, the system nesting capabilities were applied for downscaling the simulations to a 1 km resolution. The national emission inventory and the TNO inventory were used as an emission input. The study is based on a large number of numerical simulations carried out day by day for years 2008-2014 for six emission scenarios - with all the emissions included and with reduced: all the emissions, emissions from energetics, from non-industrial, industrial combustions and road transport. Results concerning the contribution of the different emission categories are demonstrated in the paper.
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