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The Great Sand Sea is an approximately 72,000 km 2 (28,000 sq mi) sand desert (erg) in the Sahara stretched from western Egypt and eastern Libya in North Africa. Most of the area is covered by sand dunes .
Issaouane Erg, Algeria Linear Dunes, Namib Sand Sea. An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. [1] The word is derived from the Arabic word ʿirq (عرق), meaning "dune field". [2]
The Grand Erg Oriental (English: 'Great Eastern Sand Sea') is a large erg or "field of sand dunes" in the Sahara Desert. Situated for the most part in Saharan lowlands of northeast Algeria, the Grand Erg Oriental covers an area some 600 km wide by 200 km north to south. The erg's northeastern edge spills over into neighbouring Tunisia.
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Marzuq Sand Sea seen from ISS, 2008 (centered at ). Detailed astronaut photograph, taken from low Earth orbit, showing classic large and small sand masses of the central Sahara where wind is a more powerful land-shaping agent than water.
A large dune complex is called a dune field, [7] while broad, flat regions covered with wind-swept sand or dunes, with little or no vegetation, are called ergs or sand seas. [ 8 ] [ 9 ] [ 10 ] Dunes occur in different shapes and sizes, but most kinds of dunes are longer on the stoss (upflow) side, where the sand is pushed up the dune, and have ...
The area of the Rabyanah Sand Sea is in the western part of the Libyan Desert in the Kufra District of the Cyrenaica region. It is named after the oasis town of Rabyanah located towards its eastern end. Together with the Calanshio Sand Sea and the Great Sand Sea, the Rabyanah Sand Sea is part of the greater Libyan Desert. [2]
Marginal seas as defined by the International Hydrographic Organization [1] This is a list of seas of the World Ocean, including marginal seas, areas of water, various gulfs, bights, bays, and straits. [2] In many cases it is a matter of tradition for a body of water to be named a sea or a bay, etc., therefore all these types are listed here.