Abstract
The Danish National Agency of Environmental Protection has in collaboration with local and regional authorities conducted a nationwide Air Quality Evaluation Program for seven Danish cities, with populations ranging from 30.000 to 1.000.000. A mapping was undertaken of SO2 emissions from larger Point Sources? and from smaller sources grouped together in Area Sources (500 × 500 m2). The emissions from this mapping have been used in model calculations of the SO2 concentrations in the cities. The OML model, which is a Gaussian model, was applied. Calculations were performed for every hour over a two-year period. A major result is that, in all cities, a few “large” sources (i.e. either source with large emission or sources where the plume is under influence of the wake from surrounding buildings) dominate the SO2 levels for short time periods. Small and large sources are important for long time periods. The levels of SO2 concentrations and their geographical distribution do not vary considerably from one year to another.
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© 1988 Kluwer Academic Publishers
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Løfstrøm, P.J., Stenfalk, L. (1988). SO2 Calculations in Several Danish Cities. In: Grefen, K., Löbel, J. (eds) Environmental Meteorology. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2939-5_32
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DOI: https://doi.org/10.1007/978-94-009-2939-5_32
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-7823-8
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