Encyclopedia of Geography Terms, Themes, and Concepts
Seasonality is intimately related to day length. Instantaneously, half the Earth has daytime while the other half has nighttime. ...
during or just after the time of the year the sun is highest in the sky. There are some notable exceptions in the middle latitud ...
is a commuter zone that follows some line of transport and is composed of more expensive residences with more parks and open spa ...
exploitnatural resources. Mining, forestry, fishing, and agriculture are the main commercial activities in the primary sector. A ...
United States, the fast food portion of the tertiary sector accounts for a large per- centage of income), as well as more sophis ...
raw materials, to refining those materials into more sophisticated products, to vari- ous levels of services that require some s ...
1930s as greater numbers of black families moved in, but this process dramatically accelerated after World War II. Several facto ...
previous occupations. Most of the proponents of sequent occupance emphasize the necessity of fieldwork to identify the ways that ...
and Africa emerged in the latter 20th century due to the collapse ofimperialism, and the subsequent devolution of structures of ...
Social Distance A phrase used to describe the degree of interaction between various social groups divided by socioeconomic statu ...
interaction. On the other hand, greater interaction appears to have reduced the social distance separating racial groups in the ...
role in determining mineralogical, chemical, textural, and structural properties of soil. For instance, sandstone of bedrock usu ...
processes. Given sufficient amounts of time to evolve, it can be said the nature of the soil is highly reflective of climate. To ...
It is well appreciated that knowledge of soils is of intense agricultural interest. Yet, the world is increasingly urbanized and ...
Solar Energy It is no understatement that solar energy is the lifeblood of our planet. Weather, oceanic circulation, and life ow ...
magnetic field. These disturbances are tube-shaped and sometimes pop above the photosphere. Sunspots occur where the magnetic fi ...
the most plentiful comprising about 44 percent of the solar output. Seven percent of solar energy is invisible ultraviolet energ ...
behindmigration, because economic opportunity, wages, and amenities are never evenly distributed, and people tend to relocate to ...
increase in incomes has been proportionally less. On the other hand, globalization has seemingly increased the degree of spatial ...
ways such flows transpire and the factors that interrupt or facilitate them. Scholars of transportation and economic geography a ...
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