Plateau

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plateau,

elevated, level or nearly level portion of the earth's surface, larger in summit area than a mountainmountain,
high land mass projecting conspicuously above its surroundings and usually of limited width at its summit. Although isolated mountains are not unusual, mountains commonly form ranges, comprising either a single complex ridge or a series of related ridges.
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 and bounded on at least one side by steep slopes, occurring on land or in oceans. Some plateaus, such as the Deccan of India and the Columbia Plateau of the NW United States, are basaltic and were formed as the result of a succession of lava flows covering hundreds of thousands of square miles that built up the land surface. Others are the result of upward folding; still others have been left elevated by the erosion of adjacent lands. Plateaus, like all elevated regions, are subject to dissection by erosion, which removes greater amounts of the upland surface. Low plateaus are often agricultural regions, while high plateaus are usually fit chiefly for stock grazing. Many of the world's high plateaus are deserts. Other notable plateaus are the Colorado Plateau of the W United States, the Bolivian plateau in South America, and the plateaus of Anatolia, Arabia, Iran, and the Tibet region of China.

Plateau

 

an elevated plain with an even or undulating, slightly dissected surface and separated by clearly distinguishable scarps from the adjacent country. The following are distinguished: (1) structural plateaus, which are composed of horizontally bedded rock strata; (2) volcanic, or lava, plateaus, in which the irregularities of the former relief have been capped with lava; (3) denudation plateaus, which are uplifted denudation plains, such as peneplains and abrasion plains; and (4) mountainous plateaus, which are intermontane depressions filled with the weathering products of the surrounding mountain ranges.


Plateau

 

a US scientific station in Eastern Antarctica, located in the interior of the continent, in the western part of the Sovetskoe Plateau. The station is on the surface of an ice sheet, 3,624 m above sea level, and 1,000 km from Kosmonavtov Sea. Plateau Station was in operation from February 1966 through January 1969. It conducted aerometeorological, glaciological, and geophysical observations and served as a base for field research in the adjacent regions.

plateau

[pla′tō]
(electronics)
The portion of the plateau characteristic of a counter tube in which the counting rate is substantially independent of the applied voltage.
(geography)
An extensive, flat-surfaced upland region, usually more than 45-90 meters (150-300 feet) in elevation and considerably elevated above the adjacent country and limited by an abrupt descent on at least one side.
(geology)
A broad, comparatively flat and poorly defined elevation of the sea floor, commonly over 60 meters (200 feet) in elevation.

plateau

a wide mainly level area of elevated land

Plateau

a state of central Nigeria, formed in 1976 from part of Benue-Plateau State: tin mining. Capital: Jos. Pop. (including Nassarawa state): 3 671 498 (1995 est.). Area (including Nassarawa state): 58 030 sq. km (22 405 sq. miles)
References in periodicals archive ?
Study area: The study was carried out in six areas in the central High Plateau of Mexico geographically at 1922' and 1945' north latitude and 9752' and 9843' west longitude with an altitudeof 2650 m.
Geographical coordinates of the colombian Cundi-boyacense high plateau according to IGAC-0RST0M (18) are related in table 1.
com) from its little airport perched on a high plateau.
Avoiding high plateau pressures and vigorous expiratory efforts also makes good sense in the early phase of illness, as these measures not only reduce tissue strain but also lessen the difference between alveolar and airway outlet pressures.
repens from Queretaro and subsequent field work has led to collections of the same species from seepage wetlands in the Mexican High Plateau in Durango.
The housing market remains in the doldrums while oil prices stay on a high plateau, prompting investors to believe higher energy costs will drag down corporate earnings.
Oil prices are moving on a high plateau at the $90 a barrel in the United States, raising strong concerns that high oil prices might drag down U.
Intense seasonal rainfall over millions of centuries has carved awesome chasms into Yemen's high plateau.
After tackling the Ledge route rock scramble, they emerged on to a high plateau.
In another 1,000 years, we could fill in the Pennines and make them one long, flat, high plateau.
There is a powerful underlying demand for homes from a growing population, which will keep housing at a high plateau.
The idea of living here seemed like living on a table, a high plateau exposed to the winds that blew and right up near the stars.

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