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Field evidence for surface-wave-induced instability of sand dunes

Author

Listed:
  • Hicham Elbelrhiti

    (UMR CNRS 7636
    Université Ibn Zohr)

  • Philippe Claudin

    (UMR CNRS 7636)

  • Bruno Andreotti

    (UMR CNRS 7636)

Abstract

The dune thing Barchans are crescent-shaped dunes that move faster over desert surfaces than most other dune types. A three-year field study shows how they do it. Collisions and changes in wind direction destabilize the dunes, generating surface waves that form new, smaller barchans. This prevents the formation of a single giant dune, so plays a fundamental role in the development of dune patterns.

Suggested Citation

  • Hicham Elbelrhiti & Philippe Claudin & Bruno Andreotti, 2005. "Field evidence for surface-wave-induced instability of sand dunes," Nature, Nature, vol. 437(7059), pages 720-723, September.
    • Handle: RePEc:nat:nature:v:437:y:2005:i:7059:d:10.1038_nature04058
    DOI: 10.1038/nature04058
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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. Robson, Dominic T. & Annibale, Alessia & Baas, Andreas C.W., 2022. "Reproducing size distributions of swarms of barchan dunes on Mars and Earth using a mean-field model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 606(C).
    3. Xinchun Liu & Yongde Kang & Hongna Chen & Hui Lu, 2021. "Application of a High-Precision Aeolian Sand Collector in Field Wind and Sand Surveys," IJERPH, MDPI, vol. 18(14), pages 1-19, July.

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