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Open AccessArticle

The Impact of Selected Parameters on Visibility: First Results from a Long-Term Campaign in Warsaw, Poland

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Division of Meteorology and Climatology, Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences, 166 Nowoursynowska St., 02-776 Warszawa, Poland
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Institute of Environmental Engineering, Polish Academy of Sciences, 34 M. Skłodowska-Curie St., 41-819 Zabrze, Poland
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Gdynia Maritime University, Information Systems Department, 83, Morska St., 81-225 Gdynia, Poland
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Warsaw University of Technology, Faculty of Environmental Engineering,20 Nowowiejska St., 00-653 Warszawa, Poland
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Water Centre Laboratory, Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences, 166 Nowoursynowska St., 02-776 Warszawa, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Armin Sorooshian
Atmosphere 2015, 6(8), 1154-1174; https://doi.org/10.3390/atmos6081154
Received: 12 June 2015 / Revised: 5 August 2015 / Accepted: 6 August 2015 / Published: 12 August 2015
(This article belongs to the Special Issue Atmospheric Composition Observations)
The aim of this study was to investigate how atmospheric air pollutants and meteorological conditions affected atmospheric visibility in the largest Polish agglomeration. The correlation analysis, principal component analysis (PCA) and generalized regression models (GRMs) were used to accomplish this objective. The meteorological parameters (temperature, relative humidity, precipitation, wind speed and insolation) and concentrations of the air pollutants (PM10, SO2, NO2, CO and O3) were recorded in 2004–2013. The data came from the Ursynów-SGGW, MzWarszUrsynów and Okęcie monitoring stations, located in the south of Warsaw (Poland). It was shown that the PM10 concentration was the most important parameter affecting the visibility in Warsaw. The concentration, and indirectly the visibility, was mainly affected by the pollutant emission from the flat/building heating (combustion of various fuels). It changed intensively during the research period. There were also periods in which this emission type did not have a great influence on the pollutant concentrations (mainly PM10) and visibility. In such seasons, the research revealed the influence of the traffic emission and secondary aerosol formation processes on the visibility. View Full-Text
Keywords: visibility; air pollutants; meteorological parameters; principal component analysis; generalized regression model visibility; air pollutants; meteorological parameters; principal component analysis; generalized regression model
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Majewski, G.; Rogula-Kozłowska, W.; Czechowski, P.O.; Badyda, A.; Brandyk, A. The Impact of Selected Parameters on Visibility: First Results from a Long-Term Campaign in Warsaw, Poland. Atmosphere 2015, 6, 1154-1174.

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