Title: Estimation of the exchange of sulphur pollution over the Balkan region in 1995–2000

Authors: Hristo Chervenkov, Dimiter Syrakov, Maria Prodanova

Addresses: National Institute of Meteorology and Hydrology – branch Plovdiv, 139, 'Russki' Blvd., Plovdiv 4000, Bulgaria. ' National Institute of Meteorology and Hydrology, 66, 'Tzarigradsko chaussee' Blvd., Sofia 1784, Bulgaria. ' National Institute of Meteorology and Hydrology, 66, 'Tzarigradsko chaussee' Blvd., Sofia 1784, Bulgaria

Abstract: The Bulgarian dispersion model |Eulerian Model for Air Pollution| (EMAP) is used to estimate the sulphur pollution over the Balkan region for the period 1995–2000. A subdomain of the European Monitoring and Evaluation Programme (EMEP) grid is chosen containing 12 countries. The computational grid in this domain has a space step of 25 km, twice as fine as the EMEP grid. The former operational DWD |Europa-Model| is used as meteorological driver. The source input is the official EMEP emission data. Monthly calculations are made having the last moment fields from the previous month as initial conditions for the next one. The boundary conditions are set to zero, so the influence of other European sources is not accounted for in this study. According to the EMEP methodology, multiple runs are made setting every time the sources of various countries to zero. The impact of every country in the pollution of all others is estimated.

Keywords: dispersion modelling; sulphur dioxide; blame matrix; multiyear estimates; environmental modelling; Bulgaria; sulphur pollution; Balkans; environmental pollution; pollution emissions.

DOI: 10.1504/IJEP.2008.017100

International Journal of Environment and Pollution, 2008 Vol.32 No.2, pp.149 - 161

Published online: 13 Feb 2008 *

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