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Indian Ocean Geography

Indian Ocean Geography: A summary of information about Indian Ocean Geography, from government research data as well as independent research and other sources.

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Indian Ocean: Geography

Location
body of water between Africa, the Southern Ocean, Asia, and
Australia
Geographic coordinates
20 00 S, 80 00 E
Map references
World
Area
total: 68.556 million sq km
note: includes Andaman Sea, Arabian Sea, Bay of Bengal, Great
Australian Bight, Gulf of Aden, Gulf of Oman, Mozambique Channel,
Persian Gulf, Red Sea, Strait of Malacca, and other tributary water
bodies
Area - comparative
about 5.5 times the size of the US
Coastline
66,526 km
Climate
northeast monsoon (December to April), southwest monsoon
(June to October); tropical cyclones occur during May/June and
October/November in the northern Indian Ocean and January/February in
the southern Indian Ocean
Terrain
surface dominated by counterclockwise gyre (broad, circular
system of currents) in the southern Indian Ocean; unique reversal of
surface currents in the northern Indian Ocean; low atmospheric
pressure over southwest Asia from hot, rising, summer air results in
the southwest monsoon and southwest-to-northeast winds and currents,
while high pressure over northern Asia from cold, falling, winter air
results in the northeast monsoon and northeast-to-southwest winds and
currents; ocean floor is dominated by the Mid-Indian Ocean Ridge and
subdivided by the Southeast Indian Ocean Ridge, Southwest Indian Ocean
Ridge, and Ninetyeast Ridge
Elevation extremes
lowest point: Java Trench -7,258 m
highest point: sea level 0 m
Natural resources
oil and gas fields, fish, shrimp, sand and gravel
aggregates, placer deposits, polymetallic nodules
Environment - current issues
endangered marine species include the
dugong, seals, turtles, and whales; oil pollution in the Arabian Sea,
Persian Gulf, and Red Sea
Geography - note
major chokepoints include Bab el Mandeb, Strait of
Hormuz, Strait of Malacca, southern access to the Suez Canal, and the
Lombok Strait
Locations:
Home
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American Samoa
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Argentina
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Ashmore & Cartier Islands
Atlantic Ocean
Australia
Austria
Azerbaijan
Bahrain
Baker Island
Bangladesh
Barbados
Bassas Da India
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bosnia & Herzegovina
Botswana
Bouvet Island
Brazil
British Indian Ocean Territory
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burma
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Cameroon
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Cape Verde
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Central African Republic
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Chile
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Christmas Island
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Hungary
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Indian Ocean
Indonesia
Iran
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Jamaica
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Jersey
Johnston Atoll
Jordan
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Kazakhstan
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Korea
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Laos
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Libya
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Netherlands
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Northern Mariana Islands
Norway
Oman
Pacific Ocean
Pakistan
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Panama
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Paraguay
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Poland
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Southern Ocean
Spain
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World
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