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Air quality monitoring and modelling techniques for street canyons : the Paris experience

Abstract : A better understanding of the dispersion and transformation of atmospheric pollutants in urban micro-environments is required to address the increasing public concern about human exposure in such areas. A joint research program has been established between INERIS (France) and University of Greenwich (UK) with the aim of developing efficient air quality monitoring and modelling methodologies to cover the needs of public health and road traffic managers in Europe. An intensive monitoring campaign was conducted at a representative canyon street in Paris in winter 1998. This experiment was designed to establish the spatial and temporal variation of pollution within the canyon, and test readily available dispersion models. Active and passive techniques were used to sample a wide range of traffic generated pollutants (VOC and inorganic gases) at different heights and distances from the kerb. Local meteorological and traffic information was also obtained. The observed CO and NO concentrations were compared with predicted values, calculated using AEOLIUS, the street canyon model developed by the UK Meteorological Office. The results demonstrate strong spatial pollution gradients within the canyon, large differences between roadside and background pollution levels, and pronounced temporal variability.
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  • HAL Id : ineris-00972200, version 1
  • INERIS : PU-2000-037



Sotiris Vardoulakis, Norbert Gonzalez-Flesca, Bernard E.A. Fisher. Air quality monitoring and modelling techniques for street canyons : the Paris experience. Air Pollution Conference 2000, Jul 2000, Cambridge, United Kingdom. ⟨ineris-00972200⟩



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