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- Janhäll, Sara,1965Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU) (författare)
Vertical distribution of air pollutants at the Gustavii Cathedral in Goteborg, Sweden
- Artikel/kapitelEngelska2003
Förlag, utgivningsår, omfång ...
- 2003
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- LIBRIS-ID:oai:gup.ub.gu.se/53306
- https://gup.ub.gu.se/publication/53306URI
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- Språk:engelska
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- Atmospheric trace gases and particles were measured at two heights at the Gustavii Cathedral in Goteborg, Sweden, during 7 weeks in September and October 1999. The Gustavii Cathedral is situated in the city centre of Goteborg, which is near the harbour area and encircled by heavy traffic some hundred metres away. The main body of the church is as high as the surrounding buildings, while the tower extends well above. The sampling points were placed on the west wall of the tower at 10 and 32 m height, i.e. well below and above the roof top level of surrounding buildings, respectively. Sulphur dioxide and nitric acid were sampled using the denuder technique and analysed by Ion Chromatography, IC. Total suspended particulates (TSP) were sampled using filter cups and subsequently analysed by energy dispersive X-ray fluorescence spectroscopy (EDXRF). In addition to the diurnal sampling of species, nitrogen oxides were measured using chemiluminescence detectors. Additional data from the Environmental Office in Goteborg was used in the analysis. Differences between the concentrations measured at the upper and lower levels were calculated and their variation and dependence on meteorological factors were evaluated. On the average larger concentrations were found at the lower level for soil derived elements and TSP, while nitric acid and nitric oxide showed larger concentrations at the upper level. Sulphur dioxide and nitrogen dioxide, as well as many of the elements in the TSP, showed equal concentrations at the two levels. However, depending on wind direction the measured differences of nitrogen oxides could be both positive and negative. (C) 2002 Elsevier Science Ltd. All rights reserved.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Geovetenskap och miljövetenskap Meteorologi och atmosfärforskning hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Meteorology and Atmospheric Sciences hsv//eng
- NATURVETENSKAP Geovetenskap och miljövetenskap Miljövetenskap hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Environmental Sciences hsv//eng
- sulphur dioxide
- nitric acid
- nitrogen oxides
- vertical distribution
- urban air pollution
- total suspended particles
- elemental composition
- submicrometer particles
- particulate matter
- pollution
- limestone
- aerosol
- dispersion
- deposition
- exposure
- quality
- profile
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Molnár, Peter,1967Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xmolnp (författare)
- Hallquist, Mattias,1969Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xhamat (författare)
- Göteborgs universitetInstitutionen för fysik (GU) (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Atmospheric Environment37:2, s. 209-2171352-2310
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