Encyclopedia of Geography Terms, Themes, and Concepts
populations, especially as these are influenced by trends in population dynamics. Two measures of the spatial character of popul ...
predict that by around 2040, global TFR will be 2.1, which represents the replace- ment rate for the existing population, or “ze ...
7 billion people living on Earth today, perhaps 10 to 12 billion. As evidence they cite the fact that technological advances ove ...
that assumed a static relationship between the observed and the observer, and which devalued the importance of spatial perceptio ...
Although the temperature at the surface can exceed freezing by a few degrees, the key is that snow does not melt on its journey. ...
type is a tipping bucket gage. Rain falls from the gage mouth into a small, conical bucket. When a certain mass of water (usuall ...
A concomitant feature of the amount of precipitation is how often it comes. Some places average less than one day per year of me ...
antecedents, functions, and internal organization, regardless of theregionand cultural environment in which the city had develop ...
The validity of this “law” has been greatly weakened over the intervening decades, but the general concept of a single urban pla ...
in the country, and because an enormous number of corporations have their head- quarters in the city. The city also functions as ...
absolute PPP, and relative PPP. Absolute PPP is based on the assumption that the exchange rates between two economies will be st ...
categories: those that would “push” an individual or group to migrate, and those that instead would “pull” migrants to a new pla ...
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Q Quantitative Revolution A shift in the methodological foundation of the social sciences and some human- ities toward more “sci ...
perspective. The new quantitative methodology of the 1950s and 1960s was embraced by those who sought to address this issue by e ...
the scholarly journals and academic departments now under the influence of the quantifiers rejected their research as “unscienti ...
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R Rain Shadow Effect A rain shadow is alandscape-induced, long-term relative lack ofprecipitationof an area compared to its geog ...
label this part of Washington “the banana belt.” Port Townsend directly downwind of the Olympic Mountains receives a bit over 65 ...
rain shadow areas are not without some positive aspects. In the American West, the orographically induced snow packs of the wint ...
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