Encyclopedia of Geography Terms, Themes, and Concepts
decreasing over the south polar latitudes because of the human release of chloro- fluorocarbons (CFCs) at other latitudes. These ...
Atmospheric Stability The great ocean of air that is theatmosphereis far from quiescent. Place-to place heating differences make ...
air at altitude X, the air parcel willsink spontaneously, and this air is termed abso- lutely stable. On average, the tropospher ...
Instability has diurnal and seasonal fluctuations. Because the atmosphere is heated from the ground upward during daylight, a su ...
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B Balkanization The breakup or division of a region ornation-stateinto smaller political, ethnic, or religious units, often who ...
The process of balkanization has resonance in current international conflicts and in the War on Terrorism. Some observers have s ...
an ethnic group without a nation-state, are divided between four adjacent countries in the region: Iraq, Turkey, Iran, and Syria ...
users, who accrue only limited economic benefit by being centrally located, in the form of lower transportation costs. In betwee ...
on Earth’s surface interacts with the above ingredients in plant cells through the auspices of the green pigment chlorophyll. Th ...
that screens most of the ultraviolet energy form the lower atmosphere, and (2) the buildup of breathable oxygen (O 2 ) as a chem ...
In a short article about the cycles it is impossible to convey a full sense of how interconnected they are. A change in one cycl ...
The major biomes of the planet represent a geography of ecological zones, represented by unique combinations of flora and fauna. ...
Of great importance in the understanding of present-day biomes is that humans have now heavily influenced the mix of species ove ...
The second marine biome is composed of coral reefs. Near shorelines, coral reefs provide specialized situations where life thriv ...
prevalent in certain biomes. The following biome description is based mainly on vegetation, the most noticeable landscape featur ...
temperate deserts. Humid grasslands have taller and more diverse grass species than their drier counterparts. Major temperate wo ...
afternoon thunderstorms caused by local instability and the precipitation is copi- ous. In some places, precipitation can averag ...
defined, specific space. Property lines separating lots in a subdivision, and the fen- ces that may correspond to such a line, r ...
by the mutual consent of the states sharing the boundary. Such borders are quite common in the Western Hemisphere, and some part ...
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