CALCULATIONS OF PM-10 CONCENTRATIONS IN SWEDISH CITIES: MODELLING OF INHALABLE PARTICLES

The project was initiated by the Swedish Environmental Protection Agency in order to improve the basis for making standards for PM-10 concentrations in urban air. Model development has been made for Norrkoeping and Gothenburg. Modelling has been necessary of both long-range and local contributions. The long-range dispersion has been simulated by the MATCH-Europe and MATCH-Sweden models, the former being a conventional dispersion model based on meteorology and emission data and the latter including also results from background air pollution measurements in Sweden and neighbouring countries. For the local scale, both car exhaust particles and resuspended particles from a traffic source inventory are dispersed in the city using meteorological data and a Gaussian dispersion model and, if needed, a street canyon dispersion submodel. For particle resuspension, a new model has been developed. The parameters of the resuspension model have been adjusted to two streets/measuring periods in Norrkoeping. At street level in Norrkoeping, the local model showed to contribute to a large part of the total concentration, especially in late winter and early spring due to resuspension. The MATCH model gives some underestimate due to the absence of organic compounds and simulation of PM-2.5 instead of PM-10. However, at some episodes in Norrkoeping and, in general, for a station of roof level in central Gothenburg and at the rural station Aspvreten, the model estimates of regional PM-2.5 concentrations constitute a larger part of the observed PM-10 concentrations. A good covariation in time measured data occurs for both the MATCH model and the local model. (A)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/03472116
• Corporate Authors:

  Sveriges Meteorologiska och Hydrologiska Inst

  Norrkoeping,   Sweden 
• Authors:
  • BRINGFELT, B
  • BACKSTROEM, H
  • KINDELL, S
  • OMSTEDT, G
  • PERSSON, C
  • ULLERSTIG, A
• Publication Date: 1997

Language

• English

Media Info

• Features: References;
• Pagination: 78 p.
• Serial:
  • SMHI RMK
  • Issue Number: 76
  • Publisher: Sveriges Meteorologiska och Hydrologiska Inst
  • ISSN: 0347-2116

Subject/Index Terms

• TRT Terms: Air pollution; Health; Mathematical models; Measurement; Particles; Pollutants; Specifications; Urban areas
• Geographic Terms: Sweden
• ITRD Terms: 2452: Air pollution; 2442: Emission; 2144: Health; 6473: Mathematical model; 6136: Measurement; 4511: Particle; 177: Specifications; 8109: Sweden; 313: Urban area
• Subject Areas: Data and Information Technology; Environment; Safety and Human Factors;

Filing Info

• Accession Number: 00749397
• Record Type: Publication
• Source Agency: Swedish National Road and Transport Research Institute (VTI)
• Files: ITRD
• Created Date: Jun 26 1998 12:00AM