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The shape of dunes

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  • Herrmann, H.J
  • Sauermann, G

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.

Suggested Citation

  • Herrmann, H.J & Sauermann, G, 2000. "The shape of dunes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 283(1), pages 24-30.
    • Handle: RePEc:eee:phsmap:v:283:y:2000:i:1:p:24-30
    DOI: 10.1016/S0378-4371(00)00124-2
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    Citations

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    Cited by:

    1. Melo, Hygor P.M. & Parteli, Eric J.R. & Andrade, José S. & Herrmann, Hans J., 2012. "Linear stability analysis of transverse dunes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 391(20), pages 4606-4614.
    2. Lima, A.R & Sauermann, G & Herrmann, H.J & Kroy, K, 2002. "Modelling a dune field," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 310(3), pages 487-500.
    3. Amelia Carolina Sparavigna, 2013. "A Study of Moving Sand Dunes by Means of Satellite Images," International Journal of Sciences, Office ijSciences, vol. 2(08), pages 33-42, August.
    4. Amelia Carolina Sparavigna, 2013. "The GNU Image Manipulation Program Applied to Study the Sand Dunes," International Journal of Sciences, Office ijSciences, vol. 2(09), pages 1-8, September.
    5. Herrmann, Hans J. & Kroy, Klaus & Sauermann, Gerd, 2001. "Saturation transients in saltation and their implications on dune shapes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 302(1), pages 244-254.

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