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West Quoddy Head

(Encyclopedia)West Quoddy Head, promontory extending into the Atlantic Ocean, SE Maine, SE of Lubec; the easternmost point in the continental United States. A lighthouse is there. ...

iceberg

(Encyclopedia)iceberg, mass of ice that has become detached, or calved, from the edge of an ice sheet or glacier and is floating on the ocean. Because ice is slightly less dense than water about one ninth of the to...

echo sounder

(Encyclopedia)echo sounder, an older instrumentation system for indirectly determining ocean floor depth. Echo sounding is based on the principle that water is an excellent medium for the transmission of sound wave...

Maldives

(Encyclopedia)Maldives mălˈdēvz, –dīvz [key], Dhivehi Dhivehi Raajje, officially Republic of Maldives, republic (2015 est. pop. 418,000), 115 sq mi (298 sq km), off the coast of S Asia in the N Indian Ocean. ...

Harriman, Edward Henry

(Encyclopedia)Harriman, Edward Henry, 1848–1909, American railroad executive, b. Hempstead, N.Y.; father of William Averell Harriman. He became a stockbroker in New York City and soon entered the railroad field, ...

Tacna-Arica Controversy

(Encyclopedia)Tacna-Arica Controversy täkˈnə-ərēˈkə [key], 1883–1929, dispute between Chile and Peru. It arose from provisions of the Treaty of Ancón (1883), which ended the War of the Pacific (see Pacifi...

Saint Vincent, Gulf

(Encyclopedia)Saint Vincent, Gulf, inlet of the Indian Ocean, 90 mi (145 km) long and 45 mi (72 km) wide, SE South Australia state, Australia. Port Adelaide is on the eastern shore. ...

Florida, Straits of

(Encyclopedia)Florida, Straits of, passage, c.90 mi (145 km) wide, between the Florida Keys in the north and Cuba in the south. It connects the Gulf of Mexico with the Atlantic Ocean. ...

Windward Passage

(Encyclopedia)Windward Passage, strait, c.50 mi (80 km) wide, between Cuba and Haiti, connecting the Atlantic Ocean and Caribbean Sea. It provides a direct route from the E United States to the Panama Canal. ...

Tharp, Marie

(Encyclopedia)Tharp, Marie, 1920–2006, American oceanographer and cartographer, grad. Univ. of Michigan (M.A. 1944). A geologist with experience in mapping, she came to Columbia Univ. as a geology research assist...