Meteorological controls upon ground level concentrations of smoke and sulfur di oxide in 2 urban areas of the uk

Elsom, D.M.; Chandler, T.J.

Atmospheric Environment 12(6-7): 1543-1554


ISSN/ISBN: 0004-6981
Accession: 005887604

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Meteorological controls upon ground level concentrations of daily smoke and SO2 concentrations in an urban area, Greater Manchester, were investigated using readily available meteorological parameters and pollution data from the National Survey of Air Pollution. Of numerous parameters investigated wind speed, degree-day temperature and mixing height were the most important. These 3 important controls, together with a persistence parameter, represented by the previous day's pollution concentration, which was demonstrated to be important in air pollution data, were combined to produce multiple regression equations to calculate average daily smoke and SO2 concentrations for Greater Manchester. The amount of variance explained by the regression equations averaged 79% (R = 0.89) for smoke concentrations and 76% (R = 0.87) for SO2 concentrations. The relative importance of each regression parameter was determined and the regression coefficients for the 3 winter periods studied and for a 2nd urban area (Nottingham) were similar in value, suggesting that similar success with multiple regression schemes is likely in other urban areas of the UK.