In the example of Chicago, Burgess designated five different zones that had separate functions spatially. These zones radiated from Chicago's center, The Loop, and moved concentrically outward. What Burgess wanted to model was Chicago's spatial structure with regards to the usage of "zones" around the city. Sustainable Development theory that humans can improve quality of life,( technologically, socially, economically, etc.), and still protect and preserve the environmentįor example, one of the first models created for use by academics was the concentric zone model which was developed in the 1920's by the urban sociologist Ernest Burgess. World Systems Theory is a theory developed by Immanuel Wallerstein that explains the emergence of a core, periphery, and semi-periphery in terms of economic and political connections.ĭependancy Ratio The number of people too old or too young to be in the workforce compared to those in the work force. Heartland/ Rimland theory Nicholas Spykman's theory that the domination of the coastal fringes of Eurasia would provided the base for world conquest. Von Thunen's Agricultural model shows all agricultural products and the importance of their proximity to their marketplaceĮpidemiologic Transition Distinctive causes of death in each stage of the demographic transition.Ĭore periphery model A model of the spatial structure of development in which underdeveloped countries are defined by their dependence on a developed core region.ĭomino theory the political theory that if one nation comes under Communist control then neighboring nations will also come under Communist control ![]() T: Transportation A: Agglomeration L: labor Costs Least Cost Theory model devolped by alfred weber,that, the location of manufacturing establishments is determined by 3 critical expenses: labor, transportation, and agglomeration. Multiple Nuclei Model A model of the internal structure of cities in which social groups are arranged around a collection of nodes of activities. Hoyt Sector Model the theory of urban structure that a city develops in a series of certain sectors, instead of rings. Rostow's Development Theory a 5-stage model of the development in a society ![]() Gravity model A model that holds that the potential use of a service at a particular location is directly related to the number of people in a location and inversely related to the distance people must travel to reach the service. Despite how hectic cities and their surrounding areas can be, attempts at creating models of the way cities function have been made and analyzed to make our understanding of the urban environment richer.Ĭoncentric Zone Model A model of the internal structure of cities in which social groups are spatially arranged in a series of rings.Ĭentral Place Theory the theory that explains the regional organization of urban areas, based on their functions and the goods and services they offer, is calledĭemographic transition model a model with four stages, based on a country's growth and population, it depicts how "advanced" a country is, in all aspects. Buildings rise up tens of stories from the street and spread for miles out of view. Walk through most contemporary cities and the mazes of concrete and steel can be some of the most intimidating and confusing places to visit.
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