The accumulation of windblown sand into mounds and ridges as moving air loses velocity around an obstacle or as sand grains saltate and settle, building characteristic shapes such as barchans, transverse and star dunes according to wind direction, sand supply and vegetation cover. It shapes both desert interiors and coastal sand systems worldwide.
Facts
Partially Attested
Process TypeThe source describes dunes as wind- or water-driven sand landforms; no listed value names aeolian processes, so geomorphological is the closest. Timescale
Timescale (category) Connections
Sources
1. Dune (Wikipedia)
Wikipedia infobox 'Lead section' = 'A dune is a landform composed of wind- or water-driven sand. It typ...' on 'Dune'View the Source 2. Dune (Wikipedia)
Lead paragraphQuote, Lead paragraph
A dune is a landform composed of wind- or water-driven sand.
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