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Impact de la pollution urbaine et l'effet de dilution associé à la hauteur.

The significance of urban pollution and its dilution associated with height.

Auteurs : AJIBOYE P., HESKETH M., WILLAN P.

Résumé

This paper identifies the significance of pollution at five sites amongst the worst on the British mainland, hence indicative of other polluted areas within Europe. The pollutants examined are NO2, SO2, O3 and PM10. Newly proposed DOE figures defining poor air quality have been used to re-examine the frequency of excess pollution episodes between 1992-1995. The results identify the most appropriate periods for natural ventilation of offices in urban areas in terms of the hour in a day and time of year, both PM10 and NO2 concentrations decrease with increasing height from a busy road; this could be a useful strategy for reducing the impact of contaminants derived from vehicle emissions.

Détails

  • Titre original : The significance of urban pollution and its dilution associated with height.
  • Identifiant de la fiche : 2000-0966
  • Langues : Anglais
  • Source : Ventilation and cooling. Proceedings of the 18th AIVC Conference.
  • Date d'édition : 23/09/1997
  • Document disponible en consultation à la bibliothèque du siège de l'IIF uniquement.

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