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Ecology & Safety, Volume 8, 2014

CONTRIBUTION OF TRAFFIC TO ANNUAL AIR POLLUTION WITH NITROGEN DIOXIDE OVER STARA ZAGORA, BULGARIA
Nikolay P. Takuchev
Pages: 606-613
Published: 1 Jun 2014
Views: 1713
Downloads: 427
Abstract: Stara Zagora is a densely populated town with developed industry, heavy traffic and without centralized heating. The town is located in the foothills of the southern slopes of the Sredna Gora Mountain. The combination between the compact city layout with heavy traffic added to the industrial sources of pollution and the thousands of closely spaced polluting sources – households, determines the local environmental problems associated with urban air pollution. The environmental problems with the urban air pollution of the city have long history. Several events of above-threshold pollution of nitrogen dioxide occur over recent years, mainly in November. The aim of the paper is to estimate the contribution of city traffic to the annual urban NOx emission (harmful NO2 + harmless NO, which converts to NO2 in the presence of volatile organic compounds in the ambient air).
Keywords: urban air pollution, nox, traffic, stara zagora
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