MetaGlossary.com: Barchan Dune

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Keywords: Dune, Crescent, Downwind, Sand, Tips

Related Terms: ArêTe, Avalanche, Blowout, Butte, Cliff, Col, Cuesta, Declivity, Deflation, Dune , Escarpment, Fall, Hogback, Hoodoo, Hummock, Hummocky, Landslide, Landslip, Ridge, Sastrugi, Scarp, Scree, Slide, Slump, Topple, Trough, Slip Face, Transverse Dune, Colluvium, Katabatic, Ventifact, Sand Dune, Slumping, Undercutting, Bajada, Pressure Ridge, Barchan, Longitudinal Dune, Rockfall, Sand Dunes, Mountain Breeze, Inselberg, Pediment, Erg, Soil Creep, Valley Breeze, Snowdrift, Beach Ridge, Dip Slope

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A crescent-shaped dune whose tips point downwind.

http://www.wwnorton.com/internal/earth2/glossary/b.htm

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A crescent-shaped dune that forms around a small patch of vegetation, lies perpendicular to the prevailing wind direction, and has a gentle, convex windward slope and a steep, concave leeward slope. Barchan dunes typically form in arid, inland deserts with stable wind direction and relatively little sand.

http://college.hmco.com/geology/resources/geologylink/glossary/b.html

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an arc-shaped sand ridge, comprised of well-sorted sand

http://www.georoots.org/term_page.asp?terminit=b

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Solitary sand dune shaped like a crescent with its tips pointing downwind..

http://www.regina.k12.nf.ca/technology/chapter5-glossary.htm

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A crescent shaped dune, moved forwards by the wind.

http://www.fisicx.com/quickreference/earth/glossary.html

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Crescent shaped sand dune that has its long axis transverse to the wind and its crescent tips pointed downwind.

http://www.physicalgeography.net/physgeoglos/b.html

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