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coral reefs

(Encyclopedia)coral reefs, limestone formations produced by living organisms, found in shallow, tropical marine waters. In most reefs, the predominant organisms are stony corals, colonial cnidarians that secrete an...

Swabia

(Encyclopedia)Swabia swāˈbēə [key], Ger. Schwaben, historic region, mainly in S Baden-Württemberg and SW Bavaria, SW Germany. It is bounded in the east by Upper Bavaria, in the west by France, and in the south...

Guanabara

(Encyclopedia)Guanabara gwänäbäˈrä [key], former state, SE Brazil, on the Atlantic Ocean; since 1974, part of the state of Rio de Janeiro. Guanabara Bay, a deep inlet of the Atlantic Ocean, is noted for its be...

North Atlantic Drift

(Encyclopedia)North Atlantic Drift, warm ocean current in the northern part of the Atlantic Ocean. It is a continuation of the Gulf Stream, the merging point being at lat. 40°N and long. 60°W. Off the British Isl...

Saint Johns, river, United States

(Encyclopedia)Saint Johns, river, 285 mi (459 km) long, rising in SE Fla., N of Lake Okeechobee, and flowing N to Jacksonville, where it turns abruptly eastward and enters the Atlantic Ocean 28 mi (45 km) away. It ...

Hill, James Jerome

(Encyclopedia)Hill, James Jerome, 1838–1916, American railroad builder, b. Ontario, Canada. He went to St. Paul, Minn., in 1856. He became a partner of Norman Kittson in a steamboat line and, with Kittson, Donald...

hydrothermal vent

(Encyclopedia)hydrothermal vent, crack along a rift or ridge in the deep ocean floor that spews out water heated to high temperatures by the magma under the earth's crust. Some vents are in areas of seafloor spread...

whale

(Encyclopedia)whale, aquatic mammal of the order Cetacea, found in all oceans of the world. Members of this order vary greatly in size and include the largest animals that have ever lived. Cetaceans never leave the...

Baffin Bay

(Encyclopedia)Baffin Bay, ice-clogged body of water, c.700 mi (1,130 km) long, between Greenland and NE Canada. It connects with the Arctic Ocean to the north and west and with the Atlantic Ocean to the south by wa...

Newport, cities, United States

(Encyclopedia)Newport. 1 City (1990 pop. 18,871), seat of Campbell co., N Ky., on the Ohio River opposite Cincinnati and on the east bank of the Licking River opposite Covington; laid out 1791, inc. as a city 1835....