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 Transverse
Dunes
Barchan dunes can become aligned
together along a plane perpendicular to the wind. If the line becomes
somewhat straight, dune scientists refer to these forward marching ridges
as transverse dunes. They progress forward as their leeward slipfaces
release sand one avalanche at a time. Along the southern boundary of the
dunefield at Great Sand Dunes, a series of transverse dunes are fed by
recycled sand transported by Medano
Creek.
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