barchan sands

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• Dune — For other uses, see Dune (disambiguation). Erg Chebbi, Morocco …   Wikipedia

• sand dune — Hill, mound, or ridge of windblown sand or other loose material such as clay particles. Dunes are commonly associated with desert regions and seacoasts, and there are large areas of dunes in nonglacial parts of Antarctica. * * * Introduction  any …   Universalium

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• Arabian Desert — 1. a desert in Egypt between the Nile valley and the Red Sea. ab. 80,000 sq. mi. (207,000 sq. km). 2. the desert region in the N part of the Arabian peninsula. * * * Desert region, Arabian Peninsula. It covers about 900,000 sq mi (2,330,000 sq… …   Universalium

• Singing sand — Infobox Protected area name = |300px caption = Singing Sand Dune location = Altyn Emel National Park, Almaty Province, Kazakhstan lat degrees = 43 lat minutes = 51 lat seconds = 53 lat direction = N long degrees = 78 long minutes = 34 long… …   Wikipedia

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• Namib — ▪ desert, Africa Introduction Portuguese  Namibe,    a cool coastal desert extending for 1,200 miles (1,900 kilometres) along the Atlantic coast from Namibe (formerly Moçâmedes) in Angola southward across Namibia to the Olifants River in the Cape …   Universalium