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Indigirka

(Encyclopedia)Indigirka ēndyĭgērˈkə [key], river, NE Siberian Russia, in the Sakha Republic. It rises in the Oymyakon plateau and flows c.1,100 mi (1,770 km) N into the Arctic Ocean. It is navigable (June–Se...

Munk, Walter Heinrich

(Encyclopedia)Munk, Walter Heinrich, 1917–2019, American oceanographer and geophysicist, b. Vienna (then in Austria-Hungary), B.S. California Institute of Technology, 1939, Ph.D Univ. of California, Los Angeles, ...

Mediterranean Sea

(Encyclopedia)CE5 Mediterranean Sea [Lat.,=in the midst of lands], the world's largest inland sea, c.965,000 sq mi (2,499,350 sq km), surrounded by Europe, Asia, and Africa. Some of the most ancient civilizat...

Erie Canal

(Encyclopedia)Erie Canal, artificial waterway, c.360 mi (580 km) long; connecting New York City with the Great Lakes via the Hudson River. Locks were built to overcome the 571-ft (174-m) difference between the leve...

Wallops Island

(Encyclopedia)Wallops Island wälˈləps [key], island, 6 sq mi (15.5 sq km), Accomack co., E Va., off the Atlantic coast of the Delmarva pensinsula S of Chincoteaque island. NASA has a facility there and on the ne...

basalt

(Encyclopedia)basalt bəsôltˈ, băsˈôlt [key], fine-grained rock of volcanic origin, dark gray, dark green, brown, reddish, or black in color. Basalt is an igneous rock, i.e., one that has congealed from a molt...

King, Ernest Joseph

(Encyclopedia)King, Ernest Joseph, 1878–1956, American admiral, commander in chief of the U.S. fleet (1941–45), b. Lorain, Ohio. A graduate of Annapolis, he distinguished himself in many branches of naval servi...

periwinkle, in zoology

(Encyclopedia)periwinkle, any of a group of marine gastropod mollusks having conical, spiral shells. Periwinkles feed on algae and seaweed. They are found at the water's edge; out of water, they resist drying by cl...

Intracoastal Waterway

(Encyclopedia)Intracoastal Waterway, c.3,000 mi (4,827 km) long, partly natural, partly artificial, providing sheltered passage for commercial and leisure boats along the U.S. Atlantic coast from Boston, Mass. to K...

Broecker, Wallace Smith

(Encyclopedia)Broecker, Wallace Smith brōkˈər [key], 1931–2019, American geophysicist, b. Chicago, Ph.D. Columbia, 1958. He was a member of Columbia's faculty from 1959. In the 1970s he predicted rising temper...