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Meteorological factors influencing the occurrence of air pollution episodes involving chimney plumes

Published online by Cambridge University Press:  05 June 2002

Bernard Fisher
Bernard Fisher
Affiliation:
Environment Agency, National Centre for Risk Assessment and Options Appraisal, Steel House, 11 Tothill Street, London SW1H 9NF, UK School of Earth & Environmental Sciences, University of Greenwich, Chatham Maritime, Kent ME4 4TB, UK
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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.

Type
Research Article
Information
Meteorological Applications , Volume 9 , Issue 2 , June 2002 , pp. 199 - 210
Copyright
© 2002 Royal Meteorological Society

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