Models of North American Cities (Concentric Zone and Burgess Sector model) By Kamryn Proctor and Katie McCall
Concentric zone model Concentric zone model- a city grows outward from a central area in series of concentric rings First to explain the distribution of different social groups within urban areas Created in 1923 by E.W. Burgess
The Zones: Concentric Zone model Includes 5 zones: CBD (Central Business District) zone Transitional zone Working class zone Residential zone Commuter zone
Concentric Model Chicago The model of chicago in the 1920s based on the urban growth As the city grows and expands, new rings are added and previous rings grow and/or shrink
Sector Model Second theory of urban structure Sector model- the city develops in sectors, not rings As the city grows, activities expand out from the center in a sector Also known as Hoyt Model
The zones Includes 5 zones Central business district Transportation and industry Low class residential Middle class residential High-class residential
Sector Model areas are more attractive for different activities because of an environmental or buy me a chance
both models have 5 zones representing different development stages The different models have developed to explain the variety of forms urban environments can take in in terms of the locations of different urban activities