A simple model of aeolian megaripples

H. Yizhaq

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


We discuss a simple mathematical model for the formation of aeolian megaripples. The main idea is that the sediment consists of a mixture of grains with two different sizes and that the wind is not strong enough to cause the coarse fraction to saltate. Linear stability analysis indicates the presence of two maxima in the growth rate of the unstable modes. The gravest mode corresponds to megaripples and the other to "standard" aeolian ripples.

Original languageEnglish
Pages (from-to)211-217
Number of pages7
JournalPhysica A: Statistical Mechanics and its Applications
Issue number1-2 SPEC. ISS.
StatePublished - 1 Jul 2004


  • Megaripples
  • Reptation
  • Saltation
  • Sand ripples

ASJC Scopus subject areas

  • Statistics and Probability
  • Condensed Matter Physics


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