NSIDC's website will undergo planned maintenance on Wednesday, January 15, from 10 a.m. to 12 p.m. (U.S. Mountain Time). During this time, the NSIDC.org website and most NSIDC data access may be briefly unavailable.
sastrugi
wind-driven snow shapes that resemble sand dunes; may form on top of sea ice or land-based snow cover; can vary in size and complexity but often forms parallel to prevailing wind direction.
Image
Sastrugi at South Pole Station, Antarctica.
Fred Walton, NOAA Corps Collection
Topic(s):
snow
sea ice