Air Force
Ashmore and Cartier Islands Transnational Issues
Disputes - international: none
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@Atlantic Ocean
Atlantic Ocean Introduction Top of Page
Background: The Atlantic Ocean is the second-largest of the world's five oceans (after the Pacific Ocean, but larger than the Indian Ocean, Southern Ocean, and Arctic Ocean). The Kiel Canal (Germany), Oresund (Denmark-Sweden), Bosporus (Turkey), Strait of Gibraltar (Morocco-Spain), and the St. Lawrence Seaway (Canada-US) are important strategic access waterways. The decision by the International Hydrographic Organization in the spring of 2000 to delimit a fifth world ocean, the Southern Ocean, removed the portion of the Atlantic Ocean south of 60 degrees south.
Atlantic Ocean Geography
Location: body of water between Africa, Europe, the Southern Ocean, and the Western Hemisphere
Geographic coordinates: 0 00 N, 25 00 W
Map references: World
Area: total: 76.762 million sq km
note: includes Baltic Sea, Black Sea, Caribbean Sea, Davis Strait,
Denmark Strait, part of the Drake Passage, Gulf of Mexico,
Mediterranean Sea, North Sea, Norwegian Sea, almost all of the
Scotia Sea, and other tributary water bodies
Area - comparative: slightly less than 6.5 times the size of the US
Coastline: 111,866 km
Climate: tropical cyclones (hurricanes) develop off the coast of Africa near Cape Verde and move westward into the Caribbean Sea; hurricanes can occur from May to December, but are most frequent from August to November
Terrain: surface usually covered with sea ice in Labrador Sea, Denmark Strait, and Baltic Sea from October to June; clockwise warm-water gyre (broad, circular system of currents) in the northern Atlantic, counterclockwise warm-water gyre in the southern Atlantic; the ocean floor is dominated by the Mid-Atlantic Ridge, a rugged north-south centerline for the entire Atlantic basin
Elevation extremes: lowest point: Milwaukee Deep in the Puerto Rico
Trench −8,605 m
highest point: sea level 0 m
Natural resources: oil and gas fields, fish, marine mammals (seals and whales), sand and gravel aggregates, placer deposits, polymetallic nodules, precious stones
Natural hazards: icebergs common in Davis Strait, Denmark Strait, and the northwestern Atlantic Ocean from February to August and have been spotted as far south as Bermuda and the Madeira Islands; ships subject to superstructure icing in extreme northern Atlantic from October to May; persistent fog can be a maritime hazard from May to September; hurricanes (May to December)
Environment - current issues: endangered marine species include the manatee, seals, sea lions, turtles, and whales; drift net fishing is hastening the decline of fish stocks and contributing to international disputes; municipal sludge pollution off eastern US, southern Brazil, and eastern Argentina; oil pollution in Caribbean Sea, Gulf of Mexico, Lake Maracaibo, Mediterranean Sea, and North Sea; industrial waste and municipal sewage pollution in Baltic Sea, North Sea, and Mediterranean Sea
Geography - note: major chokepoints include the Dardanelles, Strait of Gibraltar, access to the Panama and Suez Canals; strategic straits include the Strait of Dover, Straits of Florida, Mona Passage, The Sound (Oresund), and Windward Passage; the Equator divides the Atlantic Ocean into the North Atlantic Ocean and South Atlantic Ocean
Atlantic Ocean Economy
Economy - overview: The Atlantic Ocean provides some of the world's most heavily trafficked sea routes, between and within the Eastern and Western Hemispheres. Other economic activity includes the exploitation of natural resources, e.g., fishing, the dredging of aragonite sands (The Bahamas), and production of crude oil and natural gas (Caribbean Sea, Gulf of Mexico, and North Sea).
Atlantic Ocean Transportation
Ports and harbors: Alexandria (Egypt), Algiers (Algeria), Antwerp
(Belgium), Barcelona (Spain), Buenos Aires (Argentina), Casablanca
(Morocco), Colon (Panama), Copenhagen (Denmark), Dakar (Senegal),
Gdansk (Poland), Hamburg (Germany), Helsinki (Finland), Las Palmas
(Canary Islands, Spain), Le Havre (France), Lisbon (Portugal),
London (UK), Marseille (France), Montevideo (Uruguay), Montreal
(Canada), Naples (Italy), New Orleans (US), New York (US), Oran
(Algeria), Oslo (Norway), Peiraiefs or Piraeus (Greece), Rio de
Janeiro (Brazil), Rotterdam (Netherlands), Saint Petersburg
(Russia), Stockholm (Sweden)
Transportation - note: Kiel Canal and Saint Lawrence Seaway are two important waterways; significant domestic commercial and recreational use of Intracoastal Waterway on central and south Atlantic seaboard and Gulf of Mexico coast of US
Atlantic Ocean Transnational Issues
Disputes - international: some maritime disputes (see littoral states)
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@Australia
Australia Introduction
Background: Australia became a commonwealth of the British Empire in 1901. It was able to take advantage of its natural resources to rapidly develop its agricultural and manufacturing industries and to make a major contribution to the British effort in World Wars I and II. Long-term concerns include pollution, particularly depletion of the ozone layer, and management and conservation of coastal areas, especially the Great Barrier Reef. A referendum to change Australia's status, from a commonwealth headed by the British monarch to an independent republic, was defeated in 1999.
Australia Geography
Location: Oceania, continent between the Indian Ocean and the South
Pacific Ocean
Geographic coordinates: 27 00 S, 133 00 E
Map references: Oceania
Area: total: 7,686,850 sq km
land: 7,617,930 sq km
water: 68,920 sq km
note: includes Lord Howe Island and Macquarie Island
Area - comparative: slightly smaller than the contiguous 48 states of the US
Land boundaries: 0 km
