Saturation transients in saltation and their implications on dune shapes

Hans J. Herrmann, Klaus Kroy and Gerd Sauermann

Physica A: Statistical Mechanics and its Applications, 2001, vol. 302, issue 1, 244-254

Abstract: We present a model for dune formation that takes saturation transients in the saltation layer into account. We show that these transients introduce a characteristic length scale that is crucial for dune formation and the macroscopic shape of dunes, albeit determined by intrinsic properties of the saltation kinetics. Finally, we demonstrate that our model can explain the scale dependence of the shape of barchan dunes revealed in recent field measurements.

Keywords: Barchan; Shape; Saltation; Saturation; Transients (search for similar items in EconPapers)
Date: 2001
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:302:y:2001:i:1:p:244-254

DOI: 10.1016/S0378-4371(01)00468-X

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