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Lateral dispersion in light-wind stable conditions

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Il Nuovo Cimento C

Summary

At downwind distances of 400 m or less, the angular standard deviation, σθc, of the lateral distribution of pollutants released from a point source over a given time period is shown to equal the standard deviation, σθ, of the wind direction fluctuations observed over the same time period. Data taken during light wind, stable conditions at two field sites (Idaho Falls, ID, and Oak Ridge, TN) are used in this analysis. This relation is most reliable if the pollutant concentration distribution is observed on a circle at constant distance from the source (i.e., on a polar coordinate system).

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Authors and Affiliations

  1. Sigma Research Corporation, 234 Littleton Rd., Suite 2E, 01886, Westford, MA

    S. R. Hanna

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  1. S. R. Hanna
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Hanna, S.R. Lateral dispersion in light-wind stable conditions. Il Nuovo Cimento C 13, 889–894 (1990). https://doi.org/10.1007/BF02514777

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  • DOI: https://doi.org/10.1007/BF02514777

PACS 92.60

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