sub sahara africa

sub sahara africa - Geography of the Global Village...

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Sub-Sahara Africa Bing Sheng Wu Department of Geography Geography of the Global Village
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Source: Alex lichtenberger (Flickr) Source: Jörg Kuhbandner Source: Bēn (Flickr) Mondmann (Flickr)
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Setting the Boundaries Africa south of the Sahara Desert 43 mainland states Island nations Madagascar Cape Verde São Tomé …… Similar livelihood systems and shared colonial experience North Africa has been historically associated with Southwest Asia and Mediterranean Europe Zambezi National Park
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Environmental Geography Dugouts-Amazon Basin By Terra Tripper Savana in the eastern plateau, Kenya Fabian Trees, photographer
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Landform – Plateau No mountainous “backbone” Most of the “high mountains” from South Africa to Ethiopia are actually eroded plateaus Plateau = an extensive, relatively flat and high area Ranging from 500 m to 2,000 m in elevation Drakensberg, South Africa Walter Knirr, photographer
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The Zambezi River descends over Victoria Falls. A fault zone in the African plateau explains the existence of a 360-foot (110-meter) drop.
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Landform – Rift Valley Divergent tectonic plates create a sequence of collapsed valleys East African Rift Valley From north to south From the red sea to south Africa The collapsed areas formed a trench Often inundated with water (Great African Lakes) Regular volcanic activity
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An aerial view of a portion of the Rift Valley in Kenya.
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Views of Mount Kilimanjaro, Tanzania Herbert Schaible, photographer Source: Encarta
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Erta’ale volcano, Djibuti Photos: geodecouverte
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Major African rivers Nile The world’s longest river Crosses the Sahara desert from south to north and ends in the Mediterranean Congo It has the largest discharge in the region Second on earth only to the Amazon Flows in a flat basin containing Africa’s largest rainforest
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The Niger river at Mopti, Mali Source: Unknown
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Fishing in Congo Bruce Marcot, photographer
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Climate (I) Most of the region lies within tropical latitudes (30 degrees of latitude, N or S) Climatic zones in Sub-Saharan Africa are disposed in latitudinal bands Only a very small section of the continent is mid- latitude, humid-temperate (C)
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Climate (II) Overall, year-round warm temperatures with precipitation varying regionally The Atlantic coast is drier than the Indian coast (direct result of sea currents ) Altitude can modify tropical environments, especially in the east Higher areas are more humid and temperate
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African Biomes Tropical Forests Savannas Deserts
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Vegetation Tropical Forests Congo Basin = 2nd largest rain forest on earth Savannas Surrounding central African rain forest belt Different types - wet and dry savannas Deserts Sahara, Namib, Kalahari
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Environmental Issues – Overview
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sub sahara africa - Geography of the Global Village...

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