Abstract
This preliminary study investigates the dispersion of NO, NO2, O3 and CO from a line source (motorway) using data collected by a mobile laboratory. Downwind profiles were compared to results from a simple chemistry model based on the fast reactions of the photostationary steady state, and from a gaussian based line source model (CALINE-4). Agreement was good on a qualitative basis, but more detailed analysis showed discrepancies between model and measurements at distances between 70 and 150 m downwind. Ultimately the aim is to represent these details through the incorporation of both fast chemistry and turbulence into models. The measurements are to be used as part of the validation process for a Large Eddy Simulation (LES) line source model being developed by University of Leeds and results from this study are to be used in planning a more comprehensive campaign in the near future.
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© 2002 Springer-Verlag Berlin Heidelberg
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Lansley, D., Seakins, P. (2002). Chemistry and Dispersion of Pollutants from a Rural Motorway: Measurements and Modelling. In: Sportisse, B. (eds) Air Pollution Modelling and Simulation. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-04956-3_17
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DOI: https://doi.org/10.1007/978-3-662-04956-3_17
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