The formation of shadow dunes

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161 Citations (Scopus)


An investigation of the modification of airflow by a discrete, semi-circular roughness element (in this case, vegetation) is presented. The 3-dimensional flow structure about the vegetation is dominated by horizontal separation characterized by symmetrically opposed reversing vortices which form within a triangular wake. A vertical separation envelope is also formed over the vegetation. Pyramidal shadow dunes are formed within this flow structure when aeolian sand transport occurs.-from Author

Original languageEnglish
Pages (from-to)101-111
Number of pages11
Journal Journal of Sedimentary Petrology
Issue number1
Publication statusPublished - Mar 1981
Externally publishedYes


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