Atlantic Ocean, Terrain

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Summary

The Atlantic Ocean is the world's second largest ocean, behind the Pacific Ocean. With a total area of about ,"The New Encyclopædia Britannica", Volume 2, Encyclopædia Britannica, 1974. p. 294 it covers approximately 20 percent of the Earth's surface and about 29 percent of its water surface area. The first part of its name refers to Atlas of Greek mythology, making the Atlantic the "Sea of Atlas".

Details

From October to June the surface is usually covered with sea ice in the Labrador Sea, Denmark Strait, and Baltic Sea. A clockwise warm-water gyre occupies the northern Atlantic, and a counter-clockwise warm-water gyre appears in the southern Atlantic. The Mid-Atlantic Ridge, a rugged north-south centerline for the entire Atlantic basin, first discovered by the Challenger Expedition dominates the ocean floor. This was formed by the vulcanism that also formed the ocean floor and the islands rising from it.

The Atlantic has irregular coasts indented by numerous bays, gulfs, and seas. These include the Norwegian Sea, Baltic Sea, North Sea, Labrador Sea, Black Sea, Gulf of Saint Lawrence, Bay of Fundy, Gulf of Maine, Mediterranean Sea, Gulf of Mexico, and Caribbean Sea.

Islands include Newfoundland (including hundreds of surrounding islands), Greenland, Iceland, Faroe Islands, Great Britain (including numerous surrounding islands), Ireland, Rockall, Sable Island, Azores, St. Pierre and Miquelon, Madeira, Bermuda, Canary Islands, Caribbean, Cape Verde, São Tomé and Príncipe, Annobón Province, Fernando de Noronha, Rocas Atoll, Ascension Island, Saint Helena, Trindade and Martim Vaz, Tristan da Cunha, Gough Island (Also known as Diego Alvarez), Falkland Islands, Tierra del Fuego, South Georgia Island, South Sandwich Islands, and Bouvet Island.

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External Links

  • Wikipediawww.cartage.org.lb"Map of Atlantic Coast of North America from the Chesapeake Bay to Florida"

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