Meteorological factors influencing the occurrence of air pollution episodes involving chimney plumes
Open Access
- 1 June 2002
- journal article
- Published by Wiley in Meteorlogical Applications
- Vol. 9 (2), 199-210
- https://doi.org/10.1017/s1350482702002050
Abstract
This paper is concerned with meteorological processes that may have an influence on the occurrence of episodes of high pollution involving chimney plumes. It reviews meteorological mechanisms that could lead to or maintain high concentrations at distances beyond the range normally considered in dispersion models (distances greater than 30 km). Fundamental parameters of the atmospheric boundary layer are shown to largely determine short-range and long-range dispersion, but their values are usually not well known in specific cases. A simple estimate is provided of the magnitude of the maximum hourly average concentrations during a long-range fumigation episode from a tall stack. Copyright © 2002 Royal Meteorological SocietyKeywords
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