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In the mid 1970s the term was coined by urbanist Janice Perlman referring to the phenomenon of very large urban agglomerations. [15] Map showing urban areas with at least one million inhabitants in 2006. In 1800, only 3% of the world's population lived in cities, a figure that rose to 47% by the end of the twentieth century.
A conurbation is a region comprising a number of metropolises, cities, large towns, and other urban areas which, through population growth and physical expansion, have merged to form one continuous urban or industrially developed area. In most cases, a conurbation is a polycentric urbanised area in which transportation has developed to link ...
A metropolitan area combines an urban agglomeration with the contiguous built-up areas, which are not necessarily urban in character but are closely bound to the center by employment or other commerce. These outlying zones are sometimes known as a commuter belt and may extend well beyond the urban zone to other political entities.
An urban agglomeration is the de facto population contained within the contours of a contiguous territory inhabited at urban density levels without regard to administrative boundaries’. Urban agglomerations are thus determined by density: the agglomeration ends where the density of settlement drops below some critical threshold.
An urban area [a] is a human settlement with a high population density and an infrastructure of built environment. This is the core of a metropolitan statistical area in the United States, if it contains a population of more than 50,000. [1] Urban areas originate through urbanization, and researchers categorize them as cities, towns ...
jamshedpur.nic.in. Jamshedpur (/ ˈdʒæmʃɛdpʊər /, [ 8 ]Hindi: [dʒəmˈʃeːdpʊr] ⓘ), also known as Tatanagar, is a major industrial city in eastern India. It is largest city in the state of Jharkhand and stands as the third largest metropolitan area in the region. With a population of 629,658 in the city limits, the wider metropolitan ...
The booklet defines a city using the term 'urban agglomeration,' which considers the extent of the contiguous urban area, or built-up area, to determine the city's boundaries.
The constituent parts of the National Capital Territory of Delhi form an urban agglomeration. In the census of India 2011, an urban agglomeration (UA) was defined as follows: [ 1 ] "An urban agglomeration is a continuous urban spread constituting a town and its adjoining outgrowths (OGs), or two or more physically contiguous towns together with ...