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The Government of Canada’s terminology and linguistic data bank.
U-SHAPED DUNE [1 record]
Record 1 - internal organization data 2020-06-11
Record 1, English
Record 1, Subject field(s)
- Geomorphology and Geomorphogeny
- Desertification
Record 1, Main entry term, English
- parabolic dune
1, record 1, English, parabolic%20dune
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- U-shaped dune 2, record 1, English, U%2Dshaped%20dune
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A long, scoop-shaped sand dune having a ground plan approximating the form of a parabola, with the horns pointing windward (upwind). 3, record 1, English, - parabolic%20dune
Record number: 1, Textual support number: 1 CONT
Paradoxically, erosion is also involved in building individual or adjoining aeolian dunes such as parabolic dunes through a deflation process in hilly sandy landscapes fixed by vegetation cover. The wind rushes through openings in the vegetation cover, etches out sandy hillocks and builds up dunes whose concave windward slopes consist of shifting sand, whereas vegetation can immobilize the sand on the slipface. 4, record 1, English, - parabolic%20dune
Record 1, French
Record 1, Domaine(s)
- Géomorphologie et géomorphogénie
- Désertification
Record 1, Main entry term, French
- dune parabolique
1, record 1, French, dune%20parabolique
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- dune en U 2, record 1, French, dune%20en%20U
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Dune de sable dont la forme allongée ressemble à peu près à celle de la barkhane, mais dont la convexité est face sous le vent. 3, record 1, French, - dune%20parabolique
Record number: 1, Textual support number: 1 CONT
Paradoxalement, l'érosion participe également au façonnement d'édifices éoliens individuels ou coalescents comme les dunes paraboliques qui résultent d'un processus de déflation dans des sables à topographie monticulaire fixés par un couvert végétal. Le vent profite d'une brèche dans la couverture végétale pour surcreuser le monticule sableux et développer un édifice dunaire dont le versant concave au vent est composé de sable vif alors que le versant sous le vent est fixé par la végétation. 4, record 1, French, - dune%20parabolique
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Geomorfología y geomorfogénesis
- Desertificación
Record 1, Main entry term, Spanish
- duna parabólica
1, record 1, Spanish, duna%20parab%C3%B3lica
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
[...] en las dunas parabólicas, los cuernos progresan más rápidamente que la parte central, lo cual queda explicado por la existencia de matorrales o de piedras que retrasan o impiden el movimiento del cuerpo de la duna. 2, record 1, Spanish, - duna%20parab%C3%B3lica
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