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Steady state saltation in air

Ungar, J. E. and Haff, P. K. (1987) Steady state saltation in air. Sedimentology, 34 (2). pp. 289-299. ISSN 0037-0746. doi:10.1111/j.1365-3091.1987.tb00778.x.

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Coupled equations of motion for steady state saltation over an infinite plane are derived and solved for a simplified model of the grain‐surface impact process. Experimentally observed features of the wind velocity profile in saltation are qualitatively reproduced, including a diminution of the sub‐saltation layer mean wind speed, as the friction speed increases. In this model the surface impact velocity of the saltating grains remains relatively constant over a wide range of free‐stream shear stresses, and the grain mass flux increases with friction speed u_f* less rapidly than u_f^3.

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Additional Information:© 1987 Wiley. Manuscript received 20 November 1985; revision received 8 May 1986.
Subject Keywords:stratigraphy
Issue or Number:2
Record Number:CaltechAUTHORS:20190214-144322722
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Official Citation:UNGAR, J. E. and HAFF, P. K. (1987), Steady state saltation in air. Sedimentology, 34: 289-299. doi:10.1111/j.1365-3091.1987.tb00778.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:92945
Deposited By: Gail Peretsman Clement
Deposited On:19 Feb 2019 23:53
Last Modified:16 Nov 2021 16:54

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