The formation of shadow dunes

P. A. Hesp

doi:10.1306/212F7C1B-2B24-11D7-8648000102C1865D

The formation of shadow dunes

P. A. Hesp

Research output: Contribution to journal › Article › peer-review

191 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	101-111
Number of pages	11
Journal	Journal of Sedimentary Petrology
Volume	51
Issue number	1
DOIs	https://doi.org/10.1306/212F7C1B-2B24-11D7-8648000102C1865D
Publication status	Published - Mar 1981
Externally published	Yes

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title = "The formation of shadow dunes",

abstract = "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",

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N2 - 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

AB - 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

UR - https://www.scopus.com/pages/publications/0019353703

U2 - 10.1306/212F7C1B-2B24-11D7-8648000102C1865D

DO - 10.1306/212F7C1B-2B24-11D7-8648000102C1865D

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The formation of shadow dunes

Abstract

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