Abstract
The article is devoted to the study of changes in the intensity of traffic flows in the street canyons of Kyiv and to determine the dynamics of the intensity of emissions of major pollutants during the day. Due to the rapid growth of the vehicle fleet, there is a significant congestion of the street and road network of cities, which leads to a set of environmental problems. One of the such problems is air pollution with harmful substances. Object of the study: dynamics of pollution of city streets Purpose of the study: study of changes in traffic intensity during the day and assessment of the dynamics of the level pollution of the cities road network. Method of the study: statistical methods, cluster analysis. The change in the level of pollution of city streets during the day depends on dynamic factors, namely the intensity and quality of the traffic flow, meteorological conditions and so on. It is established that the most dangerous intervals of the day will be "peak" periods during which the maximum values of traffic intensity are observed. The article examines the patterns of distribution of traffic intensity during the day and on the basis of determining the environmental performance of real vehicles, technical and operational characteristics of which correspond to the characteristics of "efficient" cars of the corresponding category, determines the daily distribution of emissions of major pollutants. Thus, the obtained results can be used in determining the concentrations of pollutants in the street canyons of cities, which will make operational predictions of the level of air pollution. KEY WORDS: STREET ROAD NETWORK, TRANSPORT FLOWS, TRAFFIC INTENSITY, STREET CANYON, VEHICLE, POLLUTION LEVEL.
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