mic activity

*Ashmore and Cartier Islands, Communications

Ports:
none; offshore anchorage only

*Ashmore and Cartier Islands, Defense Forces

Note:
defense is the responsibility of Australia; periodic visits by the Royal
Australian Navy and Royal Australian Air Force

*Atlantic Ocean, Geography

Location:
body of water between the Western Hemisphere and Europe/Africa
Map references: Africa, Antarctic Region, Arctic Region, Central America and the Caribbean,
Europe, North America, South America, Standard Time Zones of the World
Area:
total area:
82.217 million km2
comparative area:
slightly less than nine times the size of the US; second-largest of the
world's four oceans (after the Pacific Ocean, but larger than Indian Ocean
or Arctic Ocean)
note:
includes Baltic Sea, Black Sea, Caribbean Sea, Davis Strait, Denmark Strait,
Drake Passage, Gulf of Mexico, Mediterranean Sea, North Sea, Norwegian Sea,
Weddell Sea, and other tributary water bodies
Coastline:
111,866 km
International disputes:
some maritime disputes (see littoral states)
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 north Atlantic, counterclockwise warm water gyre
in the south Atlantic; the ocean floor is dominated by the Mid-Atlantic
Ridge, a rugged north-south centerline for the entire Atlantic basin;
maximum depth is 8,605 meters in the Puerto Rico Trench
Natural resources:
oil and gas fields, fish, marine mammals (seals and whales), sand and gravel
aggregates, placer deposits, polymetallic nodules, precious stones
Environment:
endangered marine species include the manatee, seals, sea lions, turtles,
and whales; 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; icebergs
common in Davis Strait, Denmark Strait, and the northwestern Atlantic from
February to August and have been spotted as far so