Application of Mixed-Layer Similarity to the Observed Dispersion from a Ground-Level Source

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Abstract
The laboratory experiments of Deardorff and Willis have shown that the dispersion from a low-level source under convective conditions follows mixed-layer similarity. The convective runs of the Prairie Grass dispersion experiment are reanalyzed in this paper. It turns out that mixed-layer similarity scaling also works well for this classic field experiment. The observed cross-wind-integrated concentration closely matches the laboratory results. The observed lateral dispersion coefficients are somewhat larger than those given by Deardorff and Willis.

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