african geography. relative location of africa bordered by: –atlantic ocean on west –indian...
TRANSCRIPT
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African Geography
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Relative Location of Africa
• Bordered by:
– Atlantic Ocean on west– Indian Ocean on east– Mediterranean Sea on north– Red Sea on northeast
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Land Features of Africa
• Called “plateau continent” because plateaus are most dominant landform in Africa
– Plateau: high flat or gently rolling land
• Coastline– Narrow and even with few inlets or bays to form good
harbors• Harbor: part of a body of water protected and deep enough
for ships to dock
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Great Rift Valley
• Geographic features
– Located in eastern Africa– Giant trench groove out of the plateau; giant
ditch– Stretches 6,000 miles from Red Sea into
Southern Africa– More than 1 mile deep
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Great Rift Valley-continued
• Caused by shifting movements of the earth’s crust, causing faults
– Faults: cracks in the earth’s surface
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Major Mountain Ranges of Africa
• Mt. Kilimanjaro– Africa’s highest peak– Located in East Africa
• Atlas Mountains– Located in NW Africa
• Drakensberg Mountains– Located in SE Africa
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Lakes of Africa
• Major lakes:– Lake Victoria– Lake Tanganyika– Lake Nyasa
• Lakes described as “life-giving waters”– Provide waters for drinking, irrigation, and
transportation• Irrigation: to supply dry land with water by means of ditches,
pipes, or streams
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Major Rivers of Africa
• Nile River– World’s longest river– Source (where river begins) flows from center of
Africa northward into Mediterranean Sea
• Congo River– Located in Central Africa– Crosses equator twice
• Niger River– Flows through west Africa
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Major Rivers-continued
• Rivers not useful for long distance travel– Cataracts and shallow rapids flow over escarpments
• Cataracts: huge waterfalls• Escarpments: steep cliffs
– Water levels are low at mouths of river• Mouth: place where stream enters a larger body of water
– Rivers too shallow for navigation during dry season
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HEI and Cataracts
• Positive HEI– Provide hydroelectric power which generate
electricity
• Negative HEI– Limits river travel – Slows movement
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Vocabulary
• Cataracts: huge waterfalls
• Escarpment: steep cliffs
• Continental Drift: explanation of how the continents move
• Plateau: high flat or gently rolling land