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. https://resolver.caltech.edu/CaltechAUTHORS:20190214-144322722
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Abstract
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.
| Item Type: | Article | ||||||
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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 | ||||||
| DOI: | 10.1111/j.1365-3091.1987.tb00778.x | ||||||
| Record Number: | CaltechAUTHORS:20190214-144322722 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190214-144322722 | ||||||
| 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 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Gail Peretsman Clement | ||||||
| Deposited On: | 19 Feb 2019 23:53 | ||||||
| Last Modified: | 16 Nov 2021 16:54 |
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