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Models of cities
Terms in this set (34)
The concentric zone model was created by
The sector model was created by
The multiple nuclei model was created by
C.D. Harris and E.L. Ulman
The griffin ford/Latin American city structure model was created by
Ernest Griffin and Lary Ford
What are the five rings in the concentric model zone
Central business district
Zone of transition
Zone of independent workers home
zone of better residence
What are the five sections of the sector model
Central business district
Transportation and industry
Low class residential
Middle class residential
High class residential
What happens in the CBD of the concentric zone model
Nonresidential activities are concentrated
What happens in the zone in transition in the concentric zone model
Contains industry and poorer quality housing. Port sites and rail yards
Zone of independent workers home in concentric zone model
Low income housing
First gen immigrants
Working class families
Zone of better residence in the concentric zone model
Newer more spacious houses for middle class families
2nd gen immigrants
Commuters zone in concentric zone model
Higher quality housing
Longer commuter cost
Outside commuters zone in concentric zone model
High class expensive housing
Rural, suburban setting
CBD in sector model
Competition is high
Transportation and industry in sector model
Old industries located here
State of constant change due to growth of zones
Low class residential in sector model
Zone of transition
Old inner city areas
Low class residential housing
Middle class residential in sector model
Council estates (nicer houses )
Semi detached housing
Medium class residential
High class residential in sector model
Private high class top quality housing
Much commuting into CBD
CBD for multiple nuclei
Little industry and residents
Whole sale, light manufacturing in multiple nuclei model
Low class residential in multiple nuclei
Cheap houses and apartments
Medium class residential in multiple nuclei
Medium sized houses with middle class people
High class residential in multiple nuclei model
High class houses
Outlying business district in multiple nuclei model
as the suburbs grew, shopping centres were needed nearer to peoples' residences so additional nuclei grew away from the CBD.
Heavy manufacturing in multiple nuclei model
this zone needed to be away from the city centre as it produced pollution. It was costly because it needed a great deal of land.
Residential suburb in multiple nuclei model
an outlying residential zone of higher class areas sprang up away from the mainstream development.This was made possible because access to transport was widespread and ring road and alternate routes had been developed.
Industrial suburb in multiple nuclei model
self-sufficient nucleus moved away from the older industry, becoming custom built for the needs of those particular industries.
CBD of griffin and ford model
The center of all Latin American cities is the central business district. These areas are home to the best employment opportunities and they are the commercial and entertainment hubs for the city. They are also very well developed in terms of infrastructure and most have many modes of public transportation so that people can easily get into and out of them.
1) The new central city should be divided into a CBD and a Market. This change shows that many cities now have offices, hotels and retail structures in their downtowns as well as their original CBDs.
Spine and Elite Residential Sector
After the CBD the next most dominant part of Latin American cities is the commercial spine that is surrounded by residential developments for the most elite and wealthy people in the city. The spine itself is considered an extension of the CBD and it is home to many commercial and industrial applications. The elite residential sector is where nearly all of the city's professionally built houses are and the upper class and upper middle class live in these regions. In many cases these areas also have large tree lined boulevards, golf courses, museums, restaurants, parks, theaters and zoos. Land use planning and zoning is also very strict in these areas.
2) The spine and elite residential sector now has a mall or edge city at the end to provide goods and services to those in the elite residential sector.
Zone of Maturity
The zone of maturity is located around the CBD and is considered an inner city location. These areas have areas have better constructed homes and in many cities these areas have middle income residents who filtered in after the upper class residents moved out of the inner city and into the elite residential sector. These areas have a fully developed infrastructure
Zone of In Situ Accretion
The zone of in situ accretion is a transitional area for Latin American cities that is between the zone of maturity and the zone of peripheral squatter settlements. The homes are of modest qualities that vary widely in size, type and quality of materials. These areas look like they are in a "constant state of on-going construction" and homes are unfinished (Griffin and Ford, 1980). Infrastructure such as roads and electricity is only completed in some areas
Zone of Peripheral Squatter Settlements
The zone of peripheral squatter settlements is located on the edge of Latin American cities and it is where the poorest people in the cities live. These areas have virtually no infrastructure and many homes are built by their residents using whatever materials they can find. Older peripheral squatter settlements are better developed as residents often continually work to improve the areas, while newer settlements are just starting.
4) Malls, edge cities and industrial parks are connected in many Latin American cities by a periferico or ring highway so that residents and workers can travel between them easier.
6) Some Latin American cities are also undergoing gentrification to protect historical landscapes. These areas are often located in the zone of maturity near the CBD and the elite sector.
Middle class residential
5) Many Latin American cities now have middle class housing tracts that are located close to the elite housing sector and the periferico.
Industrial In griffin ford model
3) Many Latin American cities now have separate industrial sectors and industrial parks that are outside of the CBD.
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