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1. The meridian of longitude that is directly opposite or antipodal to a given meridian, i.e. the imaginary line that is exactly 180 degrees of longitude distant from the given meridian. Together, a meridian and its antimeridian form a great circle that passes through the geographic poles. 2.
Environmental determinism (also known as climatic determinism or geographical determinism) is the study of how the physical environment predisposes societies and states towards particular economic or social developmental (or even more generally, cultural) trajectories. [1] Jared Diamond, Jeffrey Herbst, Ian Morris, and other social scientists ...
A proportional symbol map of the 2016 U.S. presidential election, in which the circles are proportional to the total number of votes cast in each state, formatted as a pie chart showing the relative proportion for each candidate. A proportional symbol map or proportional point symbol map is a type of thematic map that uses map symbols that vary ...
Spatial mismatch was first proposed by John F. Kain, following the theory of John Meyer, in a seminal 1968 article, "Housing Segregation, Negro Employment, and Metropolitan Decentralization". [1] That article did not specifically use the term "spatial mismatch", and Kain disclaimed credit. [2]
Friction of distance. Friction of distance is a core principle of geography that states that movement incurs some form of cost, in the form of physical effort, energy, time, and/or the expenditure of other resources, and that these costs are proportional to the distance traveled. This cost is thus a resistance against movement, analogous (but ...
In 1885, the Cecil Democrat reported that after 119-years, the stone on the road from Elkton to Glasgow had "yielded to the action of the elements and fell over." The editor urged the Cecil County Commissioners, Commissioner of the Land Office, Governor or some public minded citizen to preserve this "old time-honored, moss-covered relic of a ...
Each curve passes through the point (0, 1) because any nonzero number raised to the power of 0 is 1. At x = 1, the value of y equals the base because any number raised to the power of 1 is the number itself. In mathematics, exponentiation is an operation involving two numbers: the base and the exponent or power.
Carrying capacity is also optimal at a width of 3.0 to 3.1 metres (9.8 to 10.2 ft), both for motor traffic and for bicycles. [8] Throughput is maximal at 18 miles per hour (29 km/h); as lane width decreases to 3.0 to 3.1 metres (9.8 to 10.2 ft), traffic speed diminishes, and so does the interval between vehicles. [8] [9]