Abstract
Clarenburg and Tang1 recently published a communication under this title in which they compared observations of smoke cloud spreading made by Frenkiel and Katz2 with the relationships t, and (t + 3)(2−n)/2, where t is time after generation of the burst, and n describes the shape of the one-point Lagrangian velocity autocorrelation ; n was assigned the value 0.26, following Sutton8. Before the conclusion by these authors about the results of this comparison can be accepted, two points must be made:
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GIFFORD, F. Small-Scale Turbulent Diffusion in the Atmosphere. Nature 190, 248 (1961). https://doi.org/10.1038/190248a0
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DOI: https://doi.org/10.1038/190248a0
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