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Type of publication: Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Dėdelė, Audrius;Miškinytė, Auksė
Title: The application of ADMS-Urban model to estimate nitrogen dioxide concentrations in cold and warm seasons in Kaunas city
Is part of: The vital nature sign [elektroninis išteklius] : 7-th international scientific conference : abstract book. Kaunas : Vytautas Magnus university, 2013, [no. 7]
Extent: p. 73-73
Date: 2013
Keywords: Nitrogen dioxide;Modelling;ADMS-Urban model;Cold and warm seasons
Abstract: In urban areas road traffic is one of the main sources of pollution affecting air quality. Nitrogen dioxide (NO2) is one of the most common traffic-related pollutants. ADMS-Urban can be used to examine emissions from many various sources (road transport, industrial, domestic). The paper examines the performance of ADMS-Urban dispersion model to predict nitrogen dioxide concentrations from emission sources. Modelled concentrations for cold and warm seasons have been compared with measured nitrogen dioxide concentrations at 41 sites in Kaunas city. The purpose of this study was to assess the dispersion of nitrogen dioxide pollution in cold and warm seasons comparing modelled with ADMS-Urban model and measured concentrations in Kaunas city. Modelled average nitrogen dioxide concentration in cold season was 21.79 μg/m3, while measured with passive samplers – 19.82 μg/m3. The air pollution was significantly higher during the cold season. Modelled and measured NO2 concentrations in warm season were 12.28 and 11.62 μg/m3, respectively. Results showed that ADMS-Urban dispersion model tends to overpredict nitrogen dioxide concentrations and this is most evident when smaller values are modelled, while modelled maximum concentrations are underestimated comparing with measured NO2 values
Affiliation(s): Aplinkotyros katedra
Gamtos mokslų fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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