The Geography of Africa. Africa’s Size. Second largest continent 11.7 million sq miles 10% of the world’s population . 2 ½ times the size of the U. S. Topography Of AFRICA… A giant plateau! . Mediterranean Sea. Atlas Mts. Libyan Desert. Tropic of Cancer 20 ° N. Sahara Desert.
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A giant plateau!
Tropic of Cancer 20° N
Great Rift Valley
<--Gulf of Aden
Tropic of Capricorn20° S
latitude & trade winds = “striped” climate & vegetation pattern on the continent.
Absence of coastal mtn ranges also impacts climate.
Mt. Kilimanjaro: Tanzania
Glacier has been melting… 80% loss from 1912 to present day.
What element of LEMPOSA contributes to the glacier and the snow found on Kilimanjaro?
“Longest River in the World”
Farmers DEPEND on this River as a source of water for their farms, and before the Aswan High Dam was built, farmers depended on the nutrients left behind as natural fertilizer for the soil and thus their crops. Negative impact for people being relocated & for farmers.
Hydroelectric Power: An example of how humans have MODIFIED their environment
Over the last 11,000 years the Sahara has been growing…Causes:1. Overgrazing 2. Farming “average” land3. Destruction of plants4. Incorrect irrigation 5. Changes in the Earth’s orbit 6. Atmospheric & vegetation changes in the subtropical regions.
The Sahara Desert:Desertification
5 million sq miles
Rolling grassland scattered with shrubs & isolated trees.
Can be found between a tropical rainforest and desert biome
What physical features lie along these areas of seismic activity?
West Africa: Home of our Hurricanes
Developing vs. Industrialized countries
priority over girls.
Be sure to review “religion” notes
1000 different languages
1000+ different tribes
Dark Blue: Very High
Light Blue: Medium
Grey: Data Unavail
Look at the chart from 1870 to 2007:
What do you notice? Africa stopped catching up to Asia & Latin Am