Topics: Ghana, Africa, African Great Lakes Pages: 44 (14041 words) Published: August 1, 2013
Geography of Africa
From Wikipedia, the free encyclopedia

Africa is a continent comprising 62 political territories, representing the largest of the great southward projections from the main mass of Earth’s surface. It includes, within its remarkably regular outline, an area of 30,368,609 km2 (11,725,385 sq. mi), including adjacent islands. Separated from Europe by the Mediterranean Sea and from much of Asia by the Red Sea, Africa is joined to Asia at its northeast extremity by the Isthmus of Suez (which is transected by the Suez Canal), 130 km (81 mi) wide. For geopolitical purposes, the Sinai Peninsula of Egypt – east of the Suez Canal – is often considered part of Africa. From the most northerly point, Raps in Tunisia, in 37°21′ N, to the most southerly point, Cape Agulhas in South Africa, 34°51′15″ S, is a distance approximately of 8,000 km (5,000 mi); from Cape Verde, 17°33′22″ W, the westernmost point, to raps Hafun in Somalia, 51°27′52″ E, the most easterly projection, is a distance (also approximately) of 7,400 km (4,600 mi). The length of coast-line is 26,000 km (16,000 mi) and the absence of deep indentations of the shore is shown by the fact that Europe, which covers only 10,400,000 km2 (4,000,000 sq. mi), has a coastline of 32,000 km (20,000 mi). The main structural lines of the continent show both the east-to-west direction characteristic, at least in the eastern hemisphere, of the more northern parts of the world, and the north-to-south direction seen in the southern peninsulas. Africa is thus mainly composed of two segments at right angles, the northern running from east to west, and the southern from north to south.

Satellite view of Africa
The average elevation of the continent approximates closely to 600 m (2,000 ft.) above sea level, roughly near to the mean elevation of both North and South, but considerably less than that of Asia, 950 m (3,120 ft.). In contrast with other continents, it is marked by the comparatively small area of either very high or very low ground, lands under 180 m (590 ft.) occupying an unusually small part of the surface; while not only are the highest elevations inferior to those of Asia or South America, but the area of land over 3,000 m (9,800 ft.) is also quite insignificant, being represented almost entirely by individual peaks and mountain ranges. Moderately elevated tablelands are thus the characteristic feature of the continent, though the surface of these is broken by higher peaks and ridges. (So prevalent are these isolated peaks and ridges that a specialized term [Inset berg-lands haft] has been adopted in Germany to describe this kind of country, thought to be in great part the result of wind action.) As a general rule, the higher tablelands lie to the east and south, while a progressive diminution in altitude towards the west and north is observable. Apart from the lowlands and the Atlas mountain range, the continent may be divided into two regions of higher and lower plateaus, the dividing line (somewhat concave to the north-west) Atlas Mountain- is a mountain range across the northwestern stretch of Africa extending about 2,500 km (1,600 mi) through Morocco, Algeria, and Tunisia.

Toubkal Mountain in Toubkal National Park in the High Atlas


Location of the Atlas Mountains (red) across North Africa
CountriesAlgeria, Morocco and Tunisia

running from the middle of the Red Sea to about 6 deg. S. on the west coast. Africa can be divided into a number of geographic zones:
The coastal plains — often fringed seawards by mangrove swamps — never stretching far from the coast, apart from the lower courses of streams. Recent alluvial flats are found chiefly in the delta of the more important rivers. Elsewhere, the coastal lowlands merely form the lowest steps of the system of terraces that constitutes the ascent to the inner plateaus. •The Atlas range — orthographically distinct from the rest of the continent, being unconnected with and...
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