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Vernacular regions reflect a "sense of place," but rarely coincide with established jurisdictional borders. [3] Examples of vernacular regions in the United States include Tidewater, also known as Hampton Roads, Siouxland, and the Tri-City area of Batavia, Geneva, and St. Charles, Illinois. Another can be the American South, since it can be non ...
Functional cultural regions, which share political, social, and/or cultural functions. Perceptual, or vernacular, cultural regions, which are based in spatial perception. One example is Braj region of India, which is seen as a spatial whole due to common religious and cultural associations with the specific area.
A coal region, for example, is a physical or geomorphological region, but its development and exploitation can make it into an economic and a cultural region. Examples of natural resource regions are the Rumaila Field, the oil field that lies along the border or Iraq and Kuwait and played a role in the Gulf War; the Coal Region of Pennsylvania ...
Regions are areas with distinctive characteristics: human characteristics, such as demographics or politics, and physical characteristics, such as climate and vegetation. For example, the US is a political region because it shares one governmental system. Regions may have clear, well-defined borders or vague boundaries. [1]
An example of functional zoning would be an area that has designated zones based on a function such as an industrial zone, a recreational zone and a residential zone. [1] An example of an area zoned by its physical characteristics is defined in terms of characteristics like development density, minimum lot size, and building coverage, placement ...
A chorochromatic or area-class map represents a categorical or nominal variable distributed over space (also known as a discrete field), by using different area symbols (usually color hue) to represent regions of homogeneous value. Common examples include maps of surface geology, soil, vegetation, land use, city zoning, and climate type. [34]
Illustration of the delimitation process for the functional urban area (red outline) of Genoa (red fill) and its commuting zone (pink fill). The functional urban area (FUA), previously known as larger urban zone (LUZ), [1] is a measure of the population and expanse of metropolitan and surrounding areas which may or may not be exclusively urban. [2]
A map : is called an open map or a strongly open map if it satisfies any of the following equivalent conditions: Definition: f : X → Y {\displaystyle f:X\to Y} maps open subsets of its domain to open subsets of its codomain; that is, for any open subset U {\displaystyle U} of X {\displaystyle X} , f ( U ) {\displaystyle f(U)} is an open ...