The influence of trade winds,local air-masses and topographic obstacles on the aeolian movement of sand particles and the origin and distribution of dunes and ergs in the Sahara and Australia |
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Authors: | Monique Mainguet |
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Institution: | 1. Laboratoire de Géographie Physique Zonale, Université, 57 rue P. Taittinger, 51100 Reims France |
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Abstract: | The Saharan ergs consist of a wide range of aeolian land forms, while in Australia, sand-ridges are the main form. The ergs are situated along major sandflows of continental extent along which sand is transported. These are oriented approximately from NE to SW in the Sahara. In Australia they form an anticlockwise pattern open to the west. The spatial and temporal factors that govern the origin of sand-ridges are reviewed. |
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