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Nubian Desert,eastern region of the Sahara Desert, c.157,000 sq mi (407,000 sq km), NE Republic of Sudan, NE Africa, between the Nile and the Red Sea. The arid region, largely a sandstone plateau, has numerous wadis flowing toward (but never reaching) the Nile, whose great bends are entrenched in the western part of the region.
a desert in Africa, lying chiefly in the Sudan between the Nile River and the Red Sea. The Etbai Range separates the desert from the Red Sea. The surface is a plateau descending in steps from east to west from 1,000 m to 350 m. On the plateau are inselbergs rising to 1,240 m in the west. The ancient rocks of the Nubian-Arabian Shield and Nubian sandstones are exposed in the east and covered by sand in the west. The plateau is dissected by a dense network of dry riverbeds. The annual precipitation is about 25 mm, and the sparse vegetation consists primarily of xerophytic grasses and prickly shrubs and semishrubs. There is livestock herding. A railroad and a highway cross the desert, connecting the cities of Wadi Haifa and Abu Hamed on the Nile River.