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Boundary-layer diffusion modelling: The Gaussian plume approach versus the spectral solution

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Abstract

The equation of turbulent diffusion is solved for a vertical area source within the planetary boundary layer. The traditional Gaussian-plume approach is compared with the spectral solution of the diffusion equation used together with the barotropic boundary-layer model of Lettau and Dabberdt (1970). The results of the numerical computations are presented and the differences between the solutions are discussed.

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Authors and Affiliations

  1. Deutscher Wetterdienst, Offenbach, F.R.G.

    Helga Nitsche & Werner Wergen

  2. Institut für Meteorologie, Freie Universität Berlin, 1, 33, Berlin, F.R.G.

    Klaus Fraedrich

Authors
  1. Helga Nitsche
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  2. Werner Wergen
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  3. Klaus Fraedrich
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Nitsche, H., Wergen, W. & Fraedrich, K. Boundary-layer diffusion modelling: The Gaussian plume approach versus the spectral solution. Boundary-Layer Meteorol 12, 127–139 (1977). https://doi.org/10.1007/BF00121968

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  • DOI: https://doi.org/10.1007/BF00121968

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