Urban tracer dispersion experiments during the second DAPPLE field campaign in London 2004
Martin, D., Price, C. S., White, I. R., Nickless, G., Petersson, K. F., Britter, R. E., Robins, A. G., Belcher, S. E., Barlow, J. F., Neophytou, M., Arnold, S. J., Tomlin, A. S., Smalley, R. J. and Shallcross, D. E. (2010) Urban tracer dispersion experiments during the second DAPPLE field campaign in London 2004. Atmospheric Environment, 44 (25). pp. 3043-3052. ISSN 1352-2310
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To link to this article DOI: 10.1016/j.atmosenv.2010.05.007
As part of the DAPPLE programme two large scale urban tracer experiments using multiple simultaneous releases of cyclic perfluoroalkanes from fixed location point sources was performed. The receptor concentrations along with relevant meteorological parameters measured are compared with a three screening dispersion models in order to best predict the decay of pollution sources with respect to distance. It is shown here that the simple dispersion models tested here can provide a reasonable upper bound estimate of the maximum concentrations measured with an empirical model derived from field observations and wind tunnel studies providing the best estimate. An indoor receptor was also used to assess indoor concentrations and their pertinence to commonly used evacuation procedures.