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A Dispersion Model for Ground-Level and Elevated Releases from Continuous Point Sources

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Part of the book series: NATO • Challenges of Modern Society ((NATS,volume 22))

Abstract

The application of a dispersion model of pollutants released from near surface and elevated continuous point sources is presented. The model is based on the bidimensional semiempirical equation, with vertical profiles of wind and eddy diffusivity for the atmospheric boundary layer. The suggested model makes use of a continuous description of the dispersion processes in the different regimes of the atmospheric boundary layer and needs meteorological input parameters that can be estimated from routine measurements1. The model is used to simulate the dispersion of non-buoyant, non-depositing releases from several source heights in a variety of atmospheric stability and surface roughness conditions. The observational data were obtained in tracer experiments carried out at Copenhagen (Denmark)2. Lillestrom (Norway)3, Hanford (USA)4 and Cabauw (The Netherlands)5. The predicted cross-wind integrated concentrations were compared with the observed ones. All concentrations were normalized by source strength. Current quantitative measurements and techniques of model evaluation were obtained and applied6,7.

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References

  1. A.G. Ulke, Diffusion-deposition of pollutants released in the atmospheric boundary layer. PhD Thesis. University of Buenos Aires, Argentina(1992).

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© 1998 Springer Science+Business Media New York

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Ulke, A.G., Mazzeo, N.A. (1998). A Dispersion Model for Ground-Level and Elevated Releases from Continuous Point Sources. In: Gryning, SE., Chaumerliac, N. (eds) Air Pollution Modeling and Its Application XII. NATO • Challenges of Modern Society, vol 22. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9128-0_87

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  • DOI: https://doi.org/10.1007/978-1-4757-9128-0_87

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4757-9130-3

  • Online ISBN: 978-1-4757-9128-0

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