parabolic dune

parabolic dune

[¦par·ə¦bäl·ik ′dün]
(geology)
A long, scoop-shaped sand dune having a ground plan approximating the form of a parabola, with the horns pointing windward (upwind). Also known as blowout dune.
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References in periodicals archive ?
These results show that spatial characteristics of this parabolic dune are related to advance rates, and may be used as indicators of advance on similar dunes.
The sand was not studied in detail and is assumed to be lower-shoreface sand associated with Lake Warren or Wayne, or aeolian sand associated with the parabolic dune observed adjacent to the gully (Fig.
Rates of parabolic dune migration in this area are not currently known, but are believed to be comparable to dune migration rates at Aberffraw, Anglesey, North Wales, ranging from 0-3.
The result looks like a boomerang and is called a parabolic dune - the final growth stage of White Sands' dunes.
Hoffmaster State Park: a foredune, a 10-meter high blowout dune, and a 60-meter high parabolic dune.
The western edge abuts against a large parabolic dune.
The following sections describe the geomorphic expression of these lake level changes along the coasts of southern Lake Superior and northern Lake Michigan and parabolic dune distributions along the coast of southern Lake Michigan.
However, paleosols were also mapped in the interior of one large parabolic dune (Figures 3 and 5c).
Green Mountain Beach Dune is a migrating parabolic dune, 400 m long and over 30 m high, 9 km southwest of Holland, Michigan.
Pattern of Sand Transport and Deposition in an Actively Migrating Parabolic Dune Southwest of Holland, Michigan.
A quantitative analysis of the near-surface wind flow pattern over coastal parabolic dunes.