sastrugi


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Related to sastrugi: Antarctica

sas·tru·ga

(să-stro͞o′gə, săs′trə-, sä′strə-) also zas·tru·ga (ză-stro͞o′gə, zä-)
n. pl. sas·tru·gi (-gē) also zas·tru·gi
A long wavelike ridge of snow, formed by the wind and found on the polar plains.

[Russian dialectal zastruga : za, beyond + struga, deep place into which one may fall; see sreu- in Indo-European roots.]
References in periodicals archive ?
Sastrugi are parallel wave-like ridges caused by winds on the surface of what?
Setting off through the Drake Icefall and Patriot Hills, the team of four vehicles -- the Santa Fe and three support trucks -- took three days to cross a featureless landscape studded with sastrugi ice structures, delicately picking their way around crevasse fields they had been warned about.
Sledging conditions varied from a satisfactory firm snow surface, to smooth, wind-polished ice, to damaging sastrugi and vast patches of ice with embedded, but protruding, particles of sharp pebbles.
we know that he would not have run into any mountain ranges, but the possibility of accidents and serious delays by foul weather or fields of crevasses and sastrugi cannot be ruled out.
Liautaud and Stoup arrived at the geographic South Pole on Christmas Eve, having faced gale-force winds, temperatures that dipped below -50 degrees Celsius (-58 degrees Fahrenheit) and three-meter-high sastrugi, or frozen waves in the ice.
Throughout his solo expedition, Parks faced the brutal Antarctic elements of whiteouts, windchill and snow drifts called sastrugi and had to pull all his supplies in a small toboggan, which weighed about 68.
La excursion mas larga que emprendi fue con Carlota y Dolores al suroeste, hacia el Monte Markham y fue una verdadera pesadilla, sembrada de ventiscas, riscos de hielo a presion, (9) grietas, cero visibilidad al llegar a las montanas; y de regreso, nieve y sastrugi.
we proposed a model of a Sastrugi surface over layered media [5], values of V can be as large as -20 K ~ 10 K due to total internal reflections from lower layers if given the upper layer's permittivity [[epsilon].
Sastrugi are long-term features found in both polar regions.
In any case, every day we hike nine wildly strenuous miles across knee-high sastrugi and mud-sucking beaches, to look for dinosaur bones, and I can't drink at night and get through those hikes.
That's the kind of stress you experience when you walk on snow and sastrugi (eroded snow)," he informed, adding jocularly.
Like Peary, we were able to maintain our course by traveling with sun, shadow, wind direction, and sastrugi (sharp irregular grooves or ridges formed on a snow surface by wind erosion and deposition)--and by checking our compasses in overcast or snowy conditions.