Human Settlements Formula Sheet — Class 12 Geography

Human Settlements - Quick Revision Sheet

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Site: physical nature of the place where a settlement is located.
Situation: a settlement in relation to other settlements and physical features.
Nodal point: route centre where valleys or roads meet.
Conurbation: merged towns or cities (Patrick Geddes, 1915).
Megalopolis: Greek for great city (Jean Gottman, 1957).
Ecumenopolis: a single world city of the future.
Urban fringe: transition between urban land uses and farmland.
Urban sprawl: spread into low-density, car-dependent suburbs.

Item	Value
Town / city / million city / megalopolis	over 5000 / 100,000 / 1 million / 10 million
Census 1991 urban density	at least 400 persons per sq km
Standard Urban Area core town	at least 50,000 (1971 Census)
2050 urbanization	64% developing, 86% developed
India urban share	11.4% (1901), 28.53% (2001), 31.16% (2011)
Burgess model	1925, five zones A to E

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