he Issaouane Erg (sand sea) is located in eastern Algeria between the Tinrhert Plateau to the north and the Fadnoun Plateau to the south. Considered to be part of the Sahara Desert, the Issaouane Erg covers an area of approximately 38,000 km2. These complex dunes form the active southwestern border of the sand sea.
Published Feb 7, 2005
This digital elevation map of the Badain Jaran Desert shows multi-generation dunes, with smaller dunes resting atop larger ones.
Published Apr 20, 2011
Layers of dunes march across a sand sea in the east-central Tenéré Desert of Niger in this astronaut photo from December 1, 2009.
Published Dec 28, 2009
Complex wind patterns left these distinctive star-shapes in the sands of the Grand Erg Oriental.
Published Sep 29, 2013
Photographs taken by astronauts on the ISS in 2003 and 2013 show the evolution of a dune field in Chad.
Published Dec 9, 2013
Large linear dunes stretch across the Great Eastern Sand Sea of northern Algeria.
Published Apr 4, 2016
This detailed true-color image from February 24, 2011, shows the variety of sand dunes that make up the Algodones Dunes in southeastern California.
Published May 27, 2011
White sand dunes spill across the Snake River Plain in a wide arc in this detailed, photo-like image acquired by the Advanced Land Imager on NASA’s EO-1 satellite on September 25, 2010.
Published Sep 29, 2010
Winds shape the sands that were left behind by an ancient river.
Published Jun 4, 2012
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