how big is it?
It covers , amounting to 31% of Africa.
Sahara
It covers , amounting to 31% of Africa.
what purpose did seasonal monsoon winds have on trade UNANSWERABLE how is this name of the winds derived? The term originally derives from the early fourteenth century sense of trade (in late Middle English) still often meaning "path" or "track". what are its effects? Every year, millions of tons of nutrient-rich Saharan dust cross the Atlantic Ocean, bringing vital phosphorus and other fertilizers to depleted Amazon soils. what causes these winds? As part of the Hadley cell, surface air flows toward the equator while the flow aloft is towards the poles. A low-pressure area of calm, light variable winds near the equator is known as the doldrums, near-equatorial trough, intertropical front, or the Intertropical Convergence Zone. where is this desert located from where the dust is blown? African continent what is the highest temperature recorded there? A sand temperature of 83.5 °C (182.3 °F) has been recorded in Port Sudan. Ground temperatures of have been recorded in the Adrar of Mauritania and a value of 75 °C (167 °F) has been measured in Borkou, northern Chad.
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Sahara [SEP] Geography
The Sahara covers large parts of Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara, Sudan and Tunisia. It covers , amounting to 31% of Africa. If all areas with a mean annual precipitation of less than 250 mm were included, the Sahara would be . It is one of three distinct physiographic provinces of the African massive physiographic division. The Sahara is mainly rocky hamada (stone plateaus); ergs (sand seas – large areas covered with sand dunes) form only a minor part, but many of the sand dunes are over high. Wind or rare rainfall shape the desert features: sand dunes, dune fields, sand seas, stone plateaus, gravel plains ("reg"), dry valleys ("wadi"), dry lakes ("oued"), and salt flats ("shatt" or "chott").