Vol. 32, issue 10, article # 8

Gorchakov G.I., Buntov D.V., Karpov A.V., Kopeikin V.M., Mirsaitov S.F., Gushchin R.A., Dazenko O.I. Wind effect on saltating particle size distribution. // Optika Atmosfery i Okeana. 2019. V. 32. No. 10. P. 848–855 [in Russian].
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Abstract:

Saltating aleurite and sand particle size distributions have been measured in a windsand flux over desertified area in Astrakhan oblast and approximated using lognormal distributions for aleurite – sand and aleurite modes. A wind velocity threshold for the total saltating particle concentration during non-intermittent saltation was determined. The threshold velocity dependence on the saltating particle size has been derived. Empirical dependences of the total particle concentration and differential number aleurite and sand particle concentrations on the wind velocity have been received.

Keywords:

windsand flux, saltating aleurite particles, quasi-continuous saltation, aleurite and sand particle size distribution, aleurite-sand mode, aleurite mode, threshold velocity dependence from the size particle

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