Short-range urban dispersion experiments using fixed and moving sources
Shallcross, D. E., Martin, D., Price, C. S., Nickless, G., White, I. R., Petersson, F., Britter, R. E., Neophytou, M. K., Tate, J. E., Tomlin, A. S., Belcher, S. E., Barlow, J. F. and Robins, A. (2009) Short-range urban dispersion experiments using fixed and moving sources. Atmospheric Science Letters, 10 (2). pp. 59-65. ISSN 1530-261X
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To link to this article DOI: 10.1002/asl.211
Four perfluorocarbon tracer dispersion experiments were carried out in central London, United Kingdom in 2004. These experiments were supplementary to the dispersion of air pollution and penetration into the local environment (DAPPLE) campaign and consisted of ground level releases, roof level releases and mobile releases; the latter are believed to be the first such experiments to be undertaken. A detailed description of the experiments including release, sampling, analysis and wind observations is given. The characteristics of dispersion from the fixed and mobile sources are discussed and contrasted, in particular, the decay in concentration levels away from the source location and the additional variability that results from the non-uniformity of vehicle speed. Copyright © 2009 Royal Meteorological Society