PECULIARITIES OF THE NITROGEN DIOXIDE DISTRIBUTION IN THE ATMOSPHERIC AIR OF THE ROAD NETWORK IN MINSK
Abstract
Results of the first studied peculiarities of the nitrogen dioxide distribution in the atmospheric air in Minsk based on measurements in special conditions in ‘street canyons’ are described. It is shown that the ratio between ‘street canyons’ and background mean air concentrations of nitrogen dioxide is 2.2–5.8. In accordance to measurements, the nitrogen dioxide concentration on the windward side of street canyons is 1.2–1.4 times greater than its content on the leeward when the wind direction is close to the perpendicular direction of the street. A relation between emissions of nitrogen dioxide from vehicles based on the structure of traffic flows and nitrogen dioxide concentrations in street canyons in Minsk is evaluated.
About the Authors
S. V. KAKAREKA
Институт природопользования НАН Беларуси, Минск
Belarus
Belarus
O. Y. KRUKOWSKAYA
Институт природопользования НАН Беларуси, Минск
Belarus
Belarus
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