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Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
Physical geography of africa i
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Physical geography of africa i

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  • 1. Physical Geography of Sub-Saharan Africa Geography and Climate
  • 2. Creation of Africa
  • 3. Africa South of the Sahara
    • The land mass is more than twice the size of the US
    • Made up of 4 sub-regions: West Africa, Central Africa, East Africa, and Southern Africa
  • 4. How big is it?
  • 5. Regions of Africa
  • 6. Landforms: Plateaus and Lowlands
    • Most of Sub – Saharan Africa lies on plateaus
    • Plateaus are an area of high, flat land
    • The edges of the plateaus are marked by escarpments
    • The escarpments cause waterfalls, rapids, and prevent interior trade
    • Lowlands (plains) border the Atlantic and Indian Oceans
  • 7. Landforms: Escarpments
    • Africa is a large plateau with escarpments on the edges - An escarpment is similar to a cliff although not as steep.
  • 8. Lanforms: Mountains
    • Sub-Saharan Africa does not have large mountain ranges, but there are several tall mountains that are volcanoes.
    • The tallest mountain is Mt. Kilimanjaro in Tanzania at 19,341 feet.
    • The Drakensberg Range is found in southern Africa
  • 9. Landforms: The Great Rift Valley
    • A rift valley is a large break in the Earth’s surface formed by sifting tectonic plates
    • The Great Rift Valley stretches from Southwest Asia to southern Africa about 4,000 miles
    • The valley’s floor lies below sea level in many areas while the walls rise 2,000 to 3,000 feet above sea level
    • The valley has rich volcanic soil good for agriculture
  • 10. The Great Rift Valley
  • 11. Waterways: Lakes
    • Most of large lakes are in or near the Great Rift Valley
    • Lake Victoria is Africa’s largest lake
    • The lakes in the GRV provide freshwater and fish to near by inhabitants
  • 12. Waterways: Rivers
    • The some of the lakes of the GRV serve as the source of rivers
    • There 4 large river systems – the Nile, the Congo, and the Niger, and the Zambezi – all begin in the interior of Africa
    • Geographical barriers prevent these rivers from being used by all of Africa
  • 13. Mineral Resources
    • Oil is the principal export for many Africa countries along the Atlantic coast
    • Natural gas is found along the Atlantic
    • Coal deposits are located in Central Africa
    • Iron ore and chormium is found through out Africa
    • Large deposits of gold, diamonds, rubies, emeralds, and sapphires are also found in Africa
  • 14. Factors Affecting Climate
    • Africa lies mainly in the tropics yet high and low elevations cause varied climate zones
  • 15. Tropical Wet Climate
    • Found along the Equator in Central Africa and West Africa
    • Consists of rainforest
    • Rainforest are being cleared for farmers, materials, and fuel – deforestation
    • To prevent more deforestation – countries are promoting ecotourism – tourism that help preserve the environment
  • 16. Tropical Dry Climate
    • Rainforest give way of the savanna – grasslands with moderate rainfall
    • Savanna gives way to the steppe – drier grasslands
    • Steppe gives way to the deserts
    • Deserts are very dry, barren land without trees
    • Desertification is the drying up of land along a desert
  • 17. Savannah
  • 18. Sahel A semi-arid region south of the Sahara Desert
  • 19. Moderate Climate Regions
    • Moderate temperatures are found in coastal Southern Africa
    • The farther south you go the more temperate the climate

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