Equilibrium versus disequilibrium of barchan dunes

Barchans are crescentic dunes which occur in mainly mono-directional winds. Shape, aspect ratios and velocities of these dunes have been studied as if they were in equilibrium. However, following a study of the shape and migration of 11 barchans of different sizes for 18 months in the field on Moroc...

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Veröffentlicht in:	Geomorphology (Amsterdam, Netherlands) Netherlands), 2011-02, Vol.125 (4), p.558-568
Hauptverfasser:	El belrhiti, Hicham, Douady, Stéphane
Format:	Artikel
Sprache:	eng
Schlagworte:	Aspect ratio Barchan Disequilibrium Dunes Earth sciences Earth, ocean, space Equilibrium Exact sciences and technology Geomorphology Geomorphology, landform evolution Instability Marine and continental quaternary Migration Morphodynamics Shape Surficial geology velocity wind
Online-Zugang:	Volltext
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