Introduction to Africa
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Introduction to Africa. A Satellite View. Africa’s Size. 4 6 0 0 M I L E S. 5 0 0 0 M I L E S. Percent of the world’s population. Second largest continent  11,700,000 sq. mi . About 3.7 times the size of the U.S. About 15% of the world’s population.

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Introduction to Africa

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Introduction to africa

Introduction to Africa


Introduction to africa

A Satellite View


Introduction to africa

Africa’s Size

4 6 0 0 M I L E S

5000

MILES

Percent of the world’s population

  • Second largest continent  11,700,000 sq. mi.

  • About 3.7 times the size of the U.S.

  • About 15% of the world’s population.

  • About 2.8 times as many people as the U. S.


Introduction to africa

Mediterranean Sea

Bodies

Of

Water

Red Sea

NileRiver

NigerRiver

L. Chad-->

<--Gulf of Aden

L. Albert-->

Congo River

L. Victoria

L. Tanganyika->

Indian Ocean

Atlantic Ocean

Zambezi River

LimpopoRiver

OrangeRiver

Pacific Ocean


Introduction to africa

The Mighty Nile River:“Longest River in the World”


Introduction to africa

The Congo River Basin

  • Covers 12% of thecontinent.

  • Extends over 9countries.

  • 2,720 miles long.

  • 99% of the countryof Zaire is in theCongo River basin.


Introduction to africa

The Niger River Basin

  • Covers 7.5% of the continent.

  • Extends over 10 countries.

  • 2,600 miles long.


Introduction to africa

Hydroelectric Power


Introduction to africa

Atlas Mts.

Mountains

&

Peaks

ΔMt. Kenya

ΔMt. Kilimanjaro

Ruwenzori Mts.

Drajensburg Mts.


Introduction to africa

Libyan Desert

Deserts

Sahara Desert

Sahel

Namib Desert

Kalahari Desert


Introduction to africa

Desertification

Two thirds of the continent is desert or drylands. The region is afflicted by frequent and severe droughts. Many countries are landlocked, have widespread poverty, and depend heavily on natural resources. They have difficult socio-economic conditions, insufficient governments, incomplete infrastructure, and weak educational systems.

In many countries, combating desertification and promoting development are virtually the same due to the social and economic importance of natural resources and agriculture. When people live in poverty, they have little choice but to exploit the land. When the land becomes uneconomic to farm, these people are often forced to migrate, which in turn can further strain the environment and cause social and political tensions and conflicts.


Introduction to africa

The Sahel

Timbuktu. Djenné. KoumbiSaleh. For centuries, the Sahel boasted some of Africa's most influential civilizations. A narrow band of semi-arid land south of the Sahara, the Sahel attracted both Arabs looking for gold from Sudan and Europeans looking for slaves from West Africa. But the region, one of the poorest and most environmentally damaged places on earth, has deep troubles. In the 1970s, the Sahel captured international attention when drought and famine killed nearly 200,000 people. Though conditions have since improved, it has yet to shake a vicious cycle of soil erosion, insufficient irrigation, deforestation, overpopulation, desertification and drought. To ease the strain, the Sahel's land must be restored. Ambitious tree-planting and irrigation projects dot the Sahel. Will they succeed? For now, the answer remains in doubt.

Click to explore the Sahel


Introduction to africa

Valleys

&

Plains

Great Rift Valley


Introduction to africa

Great Rift Valley

3,000 miles long


Introduction to africa

Tropic of Cancer 20° N

Africa:The“Tropical”Continent

Equator 0°

Tropic of Capricorn20° S


Introduction to africa

The African Savannah:13 million sq. mi.


Introduction to africa

African Rain Forest

  • Annual rainfall of up to 17 ft.

  • Rapid decomposition (very humid).

  • Covers 37 countries.

  • 15% of the land surface of Africa.


Introduction to africa

Mt. Kilimanjaro:Snow on the Equator?


Introduction to africa

Mediterranean Sea

Atlas Mts.

Libyan Desert

The

Complete

Topography

Of

AFRICA

Tropic of Cancer 20° N

Sahara Desert

Red Sea

Sahel

NileRiver

NigerRiver

L. Chad-->

Great Rift Valley

<--Gulf of Aden

L. Albert-->

ΔMt. Kenya

Equator 0°

Congo River

L. Victoria

ΔMt. Kilimanjaro

L. Tanganyika->

Indian Ocean

Ruwenzori Mts.

Atlantic Ocean

Zambezi River

Namib Desert

Kalahari Desert

LimpopoRiver

Tropic of Capricorn20° S

OrangeRiver

Drajensburg Mts.

Pacific Ocean


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