barchan


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barchan

[bär′kän]
(geology)
A crescent-shaped dune or drift of windblown sand or snow, the arms of which point downwind; formed by winds of almost constant direction and of moderate speeds. Also known as barchane; barkhan; crescentic dune.
References in periodicals archive ?
Even if they disagree, "both papers are providing convincing evidence that the generation of small dunes in a field is a very important ingredient to explain the structure of barchan corridors," says Eric Parteli of the University of Erlangen-Nuremberg in Germany.
In time, they say the town will re-emerge, but is likely to have sustained serious damage from the barchan.
The barchan will likely continue on its journey past the city site, which in due course will re-emerge from the sand, but it is anticipated that it will not remain unscathed.
Barchan advises in operations, project acquisitions, divestitures and special situations where its expertise complements the needs of its clients.
Tuning up: New Solihull Operatic Society pianist Stephen Barchan is introduced to his new singing colleagues.
The sandy dune area consisted of barchan and parabolic dunes with sparse shrubby vegetation in the interdunal area.
There remains an issue over cell-phone photographs taken of Rucker's former girlfriend, Joelle Barchan, which allegedly show bruises on her.
34 In geography, a barchan - which can reach 100 feet high and 1,200 feet wide - is a form of what?
St Barchan was claimed for pounds 18,000 by John O'Shea after he and Richard Quinn had won the claimer for William Jarvis.
Cheekiest winner of the day was the Richard Quinn-ridden St Barchan (5- 1), who took the 11-furlong Royal Navy Claiming Stakes by a cosy length and a quarter under restraint.
These articles broadly provide the results of a physically challenging survey over barchan sand dunes, salt flats and canals.
Margareta Barchan is the president and CEO of Celemi (www.