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Topic: The Geography of Southern Africa

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Topic: The Geography of Southern Africa Geography The major cause of Sub-Saharan Africa s isolation is the Sahara Desert. The Sahara the world s largest desert ... – PowerPoint PPT presentation

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Title: Topic: The Geography of Southern Africa


1
Topic The Geography of Southern Africa
2
Geography
  • The major cause of Sub-Saharan Africas isolation
    is the Sahara Desert.
  • The Sahara
  • the worlds largest desert (greater area than
    the USA) and extends from the Red Sea to the
    Atlantic Ocean. The desert is more rocky than it
    is sandy.
  • Because of the desert, there were limited ideas
    (movement) exchanged between North and Central
    Africa.

3
Factors of Isolation
  • Other causes of isolation
  • Almost all unbroken and irregular coastlinesfew
    natural harbors for ships to anchor for trade and
    exploration.
  • Most rivers have falls and rapids because of the
    elevation people could not sail up the rivers
    to explore.

4
Topography
  • Africa is a huge continent from east to west ,
    its widest point is the same distance between
    Moscow and NYC (4,000 miles).
  • North and south distance is the same as the
    distance between northern Alaska and the Panama
    Canal 5,000 miles.
  • Plateaus about 90 of the region is 500 feet or
    higher.
  • Rivers The plateaus are not completely flat
    broken by mountains and rivers.
  • - West Africa Congo River, Niger River
  • - East Africa Zambezi River
  • - South Africa Limpopo River
  • The Nile River sources (two) begin in Central
    Africa - (Blue Nile Lake Tana and the White
    Nile Lake Victoria).

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6
More Topography
  • Mountains
  • On the eastern coast a range of mountains
    extend from South Africa northward to Ethiopia
    and include Mt. Kilimanjaro and Mt. Kenya
    (covered with ice and snow year round).
  • Most people of European decent live in the
    highlands near the mountains because the climate
    is cooler.
  • Rainforest
  • Less rainforest than Asia or South America and
    many people live there.
  • Savanna
  • Open grass lands with only a few larger trees.
  • Deserts
  • Three large desert regions Sahara, Kalahari,
    and Namib. Other deserts are found in Somalia,
    Ethiopia, and northeastern Kenya.

7
More Topography
  • Within the deserts, a wide variety of topography
    can be found
  • - rocky, waterless wasteland with mountains and
    plateaus with some vegetation
  • - shifting sand dunes
  • Hot during the day, below freezing at night.

8
The East African Rift System and the Lakes Great
Rift Valley
  • Created by breaks in the earths surface The
    Great Rift Valley extends 4,000 miles from the
    Zambezi River through the eastern and
    northeastern Africa into the Red Sea
  • Width of the valleys vary in some places, it is
    20 miles wide and 1 mile deep.
  • Lake Victoria
  • It is the largest in Africa and 3rd largest in
    the world.
  • The area is rich in minerals and metals and good
    farmland.

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