Environmental analysisof contaminants in the air basin of an industrial city (the case of nitrogenoxides in Sterlitamak, Bashkortostan)

About the authors:

Liliya R. Asfandiarova, Cand. Techn. Sci., Associate Professor, Department of General Chemical Technology, Sterlitamak Branch, Ufa State Petroleum Technological University
Alina A. Panchenko, post-graduate student, Department of General Chemical Technology, Sterlitamak Branch, Ufa State Petroleum Technological University
Guzel V. Yunusova, post-graduate student, Department of General Chemical Technology, Sterlitamak Branch, Ufa State Petroleum Technological University
Elena A. Yamlikhanova, student, Department of General Chemical Technology, Sterlitamak Branch, Ufa State Petroleum Technological University

Abstract:

A scientific approach to solving environmental problems of industrial centers has been developed. An integrated assessment of existing state of the air basin of an industrial city on the basis of the analysis of observational data on air pollution with nitrogen oxides has been made; sources and factors determining their contentin the air have been determined. This analysis is shown in the example of nitrogen oxides, since these substances are common in all industrialized cities. The article shows the analysis of the dynamics of their content in the air of the city, based on the research data of observations of the air pollution state, monitoring of the snow cover pollution, mathematical and statistical processing of a large amount of factual material, we have used the method of time series analysis to determinethe structure of one series. The presence of the increasing trend in the time series of nitrogen oxides, significant contribution of seasonal and random components, statistically significant connection between the content of oxides in the air and the snow cover of the city have been determined. The coefficient of transformation of these substances, which can explain the dynamics of their content in the summer and winter periods has been calculated. The obtained results are sufficiently representative and have a wide application scope.

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