longitudinal dune


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Related to longitudinal dune: transverse dune, parabolic dune

longitudinal dune

n.
An elongated dune, typically tens of meters high and ranging up to several hundred kilometers long, lying parallel to the prevailing wind direction. Also called seif dune.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
Qian, "The distribution of ephemeral vegetation on the longitudinal dune surface and its stabilization significance in the Gurbantunggut Desert," Acta Geographica Sinica, vol.
The responses of the quantitative characteristics of a ramet population of the ephemeroid rhizomatous sedge carex physodes to the moisture content of the soil in various locations on sand dunes
Oman's must-see desert destination is the magnificent Wahiba Sands, where longitudinal dunes, which can extend for 200 km in length and 100 km in width, soar to heights of 150 metres.
In search of Arabian sands: if your sense of adventure draws you to the deserts of Arabia, as it did the intrepid travellers Freya Stark, Wilfred Thesiger and so many others, there are now multiple resorts across the region offering adventure and escapism, with the added bonus of luxurious accommodation of a calibre those early explorers could only have dreamed of
Found abundantly in Africa's Sahara and Namib Deserts, the Arabian Desert, and in Australia, these longitudinal dunes form with their crests oriented parallel to the average wind direction.
Titan: Earth in deep freeze: Saturn's largest moon has remarkably Earthlike mountains, lakes, and dunes--yet their composition couldn't be more different

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