Description of the Risø Puff Diffusion Model

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    Abstract

    The Risø National Laboratory, Roskilde, Denmark, atmospheric puff dispersion model is described. This three-dimensional model simulates the release of Gaussian pollutant puffs and predicts their concentration as they are diffused and advected downwind by a horizontally homogeneous, time-dependent wind. Atmospheric characteristics such as turbulence intensity, potential temperature gradient, buoyant heat flux and maximum mixing depth have been considered.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages43
    ISBN (Print)87-550-0885-2
    Publication statusPublished - 1982
    SeriesRisø-M
    Number2361
    ISSN0418-6435

    Keywords

    • Risø-M-2361
    • Advection
    • Air pollution
    • Boundary layers
    • Cluster emission model
    • Computerized simulation
    • Diffusion
    • Earth atmosphere
    • Heat flux
    • Meteorology
    • Plumes
    • Spatial distribution
    • Temperature inversions
    • Trajectories
    • Turbulence
    • Wind

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