yardang

yardang
    a) A microfeature in the form of a long, irregular, sharp-crested, undercut ridge between two round-bottomed troughs, carved on a plateau or unsheltered plain in a desert region by wind erosion, and cut into soft but coherent deposits (such as clayey sand); it lies in the direction of the dominant wind, and may be up to 6 m high and 40 m wide.
    b) A landform produced in a region of limestone or sandstone by infrequent rains combined with wind action, and characterized by “a surface bristling with a fine lacework of sharp ridges pitted by corrosion”.
   Compare: pavement karst.
   GG

Glossary of landform and geologic terms. 2013.

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  • yardang — YARDÁNG s.n. Microrelief de coroziune format din creste separate de jgheaburi întortocheate, caracteristic pentru pustiurile argiloase din Asia Centrală. (din fr., engl. yardang) Trimis de tavi, 14.05.2004. Sursa: MDN  yardáng s. n. Trimis de… …   Dicționar Român

  • Yardang — en el desierto de Texas. Un yardang es una formación rocosa moldeada de forma característica por la erosión causada por el viento que, en este caso, casi siempre sopla desde el mismo punto. La roca en cuestión se va alargando y tomando distintas… …   Wikipedia Español

  • Yardang — Yardang,   Geomorphologie: Ausblasungsform in Lockersedimenten extrem arider Gebiete mit hoher Windgeschwindigkeit aus einer vorherrschenden Richtung. Yardang entstehen v. a. in ehemaligen Seegebieten (z. B. Lop Nur); ihre Form ist v. a. von der… …   Universal-Lexikon

  • Yardang — A yardang is a wind abraded ridge found in a desert environment. Yardangs are elongate features typically three or more times longer than they are wide, and when viewed from above, resemble the hull of a boat. Facing the wind is a steep, blunt… …   Wikipedia

  • Yardang — Ein Yardang bei Meadow, Texas Ein Yardang (oder Jardang, gelegentlich auch Windhöcker) ist eine geomorphologische, tafelförmige Erosionsform in Lockersedimenten (überwiegend in flachgeschichteten lakustrinen Sedimenten). Der Forschungsreisende… …   Deutsch Wikipedia

  • Yardang — Un yardang près de Meadow, au Texas. Un yardang est une crête rocheuse créée par l érosion éolienne dans un milieu désertique. Les yardangs sont généralement de forme allongée, au moins trois fois plus longs que larges ; vus de dessus, ils… …   Wikipédia en Français

  • Yardang — Un Yardang es una formación rocosa moldeada de forma característica por la erosión causada por el viento que, en este caso, casi siempre sopla desde el mismo punto. La roca en cuestión se va alargando y tomando distintas formas con el tiempo que… …   Enciclopedia Universal

  • yardang trough —    A long, shallow, round bottomed groove, furrow, trough, or corridor excavated in the desert floor by wind abrasion, and separating two yardangs.    Compare: yardang.    GG …   Glossary of landform and geologic terms

  • yardang — /yahr dahng/, n. Geol. a keel shaped crest or ridge of rock, formed by the action of the wind, usually parallel to the prevailing wind direction. [earlier jardang, term introduced by Sven Hedin (1904); perh. a compound with Uigur yar cliff,… …   Universalium

  • yardang — noun A band of rock in a desert region which lies parallel to the prevailing winds, often with an unusual shape …   Wiktionary

  • yardang —   a ridge of rock in an arid area which is aligned to the prevailing wind direction. Small examples may only be a metre high but larger ones can be dozens of metres above the level of the trenches between them …   Geography glossary

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