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Pacific Ocean Geography 2017
http://www.theodora.com/wfbcurrent/pacific_ocean/pacific_ocean_geography.html
SOURCE: 2017 CIA WORLD FACTBOOK AND OTHER SOURCES











Pacific Ocean Geography 2017
SOURCE: 2017 CIA WORLD FACTBOOK AND OTHER SOURCES


Location:
body of water between the Southern Ocean, Asia, Australia, and the Western Hemisphere

Geographic coordinates:
0 00 N, 160 00 W

Map references:
Political Map of the World

Area:
total: 155.557 million sq km
note: includes Bali Sea, Bering Sea, Bering Strait, Coral Sea, East China Sea, Gulf of Alaska, Gulf of Tonkin, Philippine Sea, Sea of Japan, Sea of Okhotsk, South China Sea, Tasman Sea, and other tributary water bodies

Area - comparative:
about 15 times the size of the US; covers about 28% of the global surface; almost equal to the total land area of the world

Coastline:
135,663 km

Climate:
planetary air pressure systems and resultant wind patterns exhibit remarkable uniformity in the south and east; trade winds and westerly winds are well-developed patterns, modified by seasonal fluctuations; tropical cyclones (hurricanes) may form south of Mexico from June to October and affect Mexico and Central America; continental influences cause climatic uniformity to be much less pronounced in the eastern and western regions at the same latitude in the North Pacific Ocean; the western Pacific is monsoonal - a rainy season occurs during the summer months, when moisture-laden winds blow from the ocean over the land, and a dry season during the winter months, when dry winds blow from the Asian landmass back to the ocean; tropical cyclones (typhoons) may strike southeast and east Asia from May to December

Terrain:
surface currents in the northern Pacific are dominated by a clockwise, warm-water gyre (broad circular system of currents) and in the southern Pacific by a counterclockwise, cool-water gyre; in the northern Pacific, sea ice forms in the Bering Sea and Sea of Okhotsk in winter; in the southern Pacific, sea ice from Antarctica reaches its northernmost extent in October; the ocean floor in the eastern Pacific is dominated by the East Pacific Rise, while the western Pacific is dissected by deep trenches, including the Mariana Trench, which is the world's deepest

Elevation:
mean depth: -3,970 m
elevation extremes: lowest point: Challenger Deep in the Mariana Trench -10,924 m highest point: sea level 0 m

Natural resources:
oil and gas fields, polymetallic nodules, sand and gravel aggregates, placer deposits, fish

Natural hazards:
surrounded by a zone of violent volcanic and earthquake activity sometimes referred to as the "Pacific Ring of Fire"; subject to tropical cyclones (typhoons) in southeast and east Asia from May to December (most frequent from July to October); tropical cyclones (hurricanes) may form south of Mexico and strike Central America and Mexico from June to October (most common in August and September); cyclical El Nino/La Nina phenomenon occurs in the equatorial Pacific, influencing weather in the Western Hemisphere and the western Pacific; ships subject to superstructure icing in extreme north from October to May; persistent fog in the northern Pacific can be a maritime hazard from June to December

Environment - current issues:
endangered marine species include the dugong, sea lion, sea otter, seals, turtles, and whales; oil pollution in Philippine Sea and South China Sea

Geography - note:
the major chokepoints are the Bering Strait, Panama Canal, Luzon Strait, and the Singapore Strait; the Equator divides the Pacific Ocean into the North Pacific Ocean and the South Pacific Ocean; dotted with low coral islands and rugged volcanic islands in the southwestern Pacific Ocean

NOTE: The information regarding Pacific Ocean on this page is re-published from the 2017 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Pacific Ocean Geography 2017 information contained here. All suggestions for corrections of any errors about Pacific Ocean Geography 2017 should be addressed to the CIA.




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