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Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Laurinavičienė, Dovilė
Title: Seasonal nitrogen dioxide concentrations in atmosphere in Kaunas : Lithuania and its relation with meteorological conditions
Is part of: Environmental engineering [Elektroninis išteklius] : the 6th International conference, May 26-27, 2005 Vilnius Lithuania : selected papers. Vilnius : Vilnius Gediminas technical university, 2005
Extent: p. 148-153
Date: 2005
Keywords: Air pollution;Nitrogen dioxide;Meteorological conditions;Wind speed;Rainfall;Correlation
ISBN: 9986058503
Abstract: The aim of the present study was to assess nitrogen dioxide concentrations in Kaunas city and examine its relation with meteorological conditions. We used a passive sampling method and triethanolamine as an absorbent. Sampling was carried out in 104 points of Kaunas city, 4 times per year during 1999-2002 years period. According to measured concentrations average seasonal and annual concentrations in Kaunas districts and in the whole city were calculated. The study results showed that mean NO2 concentration in Kaunas city was 16,5 mu g/m(3). The highest mean seasonal concentration was found during springs (17,4 mu g/m(3)) and the lowest - during autumns (15,2 mu g/m(3)). The highest NO2 concentrations were in the Centre (4 years average - 25,3 mu g/m(3)). We found correlation between nitrogen dioxide concentrations and wind speed (r=-0,5447, p= 0,029), and between nitrogen dioxide concentrations and rainfall (r-- -0,970, p= 0,023). Correlation between nitrogen dioxide concentrations and temperature was non significant (r=0,65 0,811)
Affiliation(s): Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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