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Influence of Meteorological Parameters on the Dynamics of Ozone and Aerosol Particles Near a Road Transport Street

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Abstract

Car transport is one of the potential ozone precursors and the source of aerosol particulate emissions. Since the number of cars on the streets increases with each passing year, it is evident that urban pollution caused by mobile sources of pollution is also respectively increasing. Therefore, it is very important to observe the dynamics of car transport emissions and to be aware of how meteorological conditions influence the formation of these emissions. The cumulative impact of ozone and aerosol particles is significantly stronger than that of each pollutant separately; therefore, it is important to find out the synoptic conditions which are least favourable for their formation in order to ensure good health of people living close to heavily trafficked streets. The experiment was carried out during the winter season near the heavily trafficked street by observing variations in ozone concentration and fine 0.4 μm aerosol particles and estimating the influence of meteorological parameters on these changes. It has been found that the intensity of road transport and meteorological parameters (particularly pressure and environmental temperatures) play an important role for the dynamics of ozone and aerosol particles. The research on aerosol size distribution has shown that the formation of fine particles is more intensive than that of larger particles near a heavily trafficked street. It has been found that the number concentration of 0.4–0.8 μm particles is 80 times higher than that of 0.9–7.0 μm particles.

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Data Availability

The data sets used during the current study are available from the corresponding author on reasonable request.

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VV, MP: data curation, formal analysis, investigation, methodology, software, writing—original draft. DJ: conceptualization; project administration; supervision; writing—review and editing; visualisation.

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Correspondence to Dainius Jasaitis.

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Vasiliauskienė, V., Pečiulienė, M. & Jasaitis, D. Influence of Meteorological Parameters on the Dynamics of Ozone and Aerosol Particles Near a Road Transport Street. Water Air Soil Pollut 232, 349 (2021). https://doi.org/10.1007/s11270-021-05304-y

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  • DOI: https://doi.org/10.1007/s11270-021-05304-y

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