Encyclopedia of Geography Terms, Themes, and Concepts
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A Agglomeration Agglomeration may have two general meanings to geographers. To urban geogra- phers, it is a term that designates ...
Agglomeration is a phenomenon that is frequently associated with the produc- tion of sophisticated, high-value goods that requir ...
assigned in the United States by the U.S.Department of Agriculture. Since the 1940s, shifts in many areas of agriculture have oc ...
pests, limits the incidence of plant disease, and avoids the impact of adverse weather on the plants. Soil is not necessary for ...
corporations, especially the use of large amounts of fertilizers, pesticides, and her- bicides. Organically produced vegetables ...
application of the term is to describe the fundamental shift in agricultural theory and practice that took place in Great Britai ...
dramatically changed the geography of agriculture in England, and in the long term the movement led to higher agricultural produ ...
the mechanization of agricultural production and shifts in land tenure seen in Europe and North America over the last two centur ...
slightly below freezing. This is a cold shock to the Gulf Coast but a testimony to air mass modification. One well-appreciated i ...
Arctic air (A) is the coldest air of the Northern Hemisphere. It is very cold and stable in the winter and not associated with s ...
through the year. In these places, there is a hearty daily variation of the weather, especially in winter as the polar front jet ...
fria(cold land), and, if the elevation reaches above 12,000 feet,teirra helada(fro- zen land). Some scholars identify yet anothe ...
flowers, also focused toward the North American export market. Latin American growers supply much of the U.S. floral market duri ...
great storms, anticyclones are the cause of bright, dry weather. An anticyclone is a center of high pressure and is the pressure ...
latitude cyclones. The cores of anticyclones are locations where precipitation is relatively unlikely. The winter configurations ...
the common characteristic of the year-round presence of subtropical highs. Adjoining regions are not as dry because the subtropi ...
conceptualize the forces and factors that result in an uneven geography of eco- nomic and political activity, as well as the spa ...
approaches held that areal differentiation was overly descriptive, lacked an inte- grative perspective, and limited geography to ...
Air is not a chemical compound but a mechanical mixture of gases that is kept mixed by solar heating in the lower atmosphere. Th ...
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