The shape of dunes

H.j Herrmann and G Sauermann

Physica A: Statistical Mechanics and its Applications, 2000, vol. 283, issue 1, 24-30

Abstract: We present models to describe the dynamics of the surface of a dry granular bed, like a desert. These models, based on coupled differential equations can describe the formation and evolution of dunes. Field measurements have been performed to compare the numerical results. The concept of the Barchan dune as a soliton is disproved. We discuss in particular also the wind field and the microscopic coupling with the sand grains.

Keywords: Granular media; Aeolian transport; Dunes; Shape of a heap (search for similar items in EconPapers)
Date: 2000
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:283:y:2000:i:1:p:24-30

DOI: 10.1016/S0378-4371(00)00124-2

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