![core frame model](https://upload.wikimedia.org/wikipedia/commons/d/de/Core_frame_model.svg)
Zone of transition is the area between the
factory
A factory, manufacturing plant or a production plant is an industrial facility, often a complex consisting of several buildings filled with machinery, where workers manufacture items or operate machines which process each item into another. ...
zone and the
working-class zone in the
concentric zone model
The concentric zone model, also known as the Burgess model or the CCD model, is one of the earliest theoretical models to explain urban social structures. It was created by sociologist Ernest Burgess in 1925.
The model
Based on human ecology th ...
of
urban structure
Urban structure is the arrangement of land use in urban areas, in other words, how the land use of a city is set out. Urban planners, economists, and geographers have developed several models that explain where different types of people and busin ...
devised by
Ernest Burgess
Ernest Watson Burgess (May 16, 1886 – December 27, 1966) was a Canadian-American urban sociologist born in Tilbury, Ontario. He was educated at Kingfisher College in Oklahoma and continued graduate studies in sociology at the University of Ch ...
. The zone of transition is an area of flux where the land use is changing.
In the
core frame model
The Core frame model is a model showing the urban structure of the Central Business District of a town or city. The model was first suggested by Ronald R. Boyce and Edgar M. Horwood in 1959.
The model includes an inner core where land is expensive ...
showing the structure of the center of the city, the zone of transition encircles the
central business district (CBD). It includes a zone of assimilation where the buildings are being drawn into CBD usage. There may also be a zone of degradation where the buildings are changing from CBD usage to residential land use.
It is characterized by residential deterioration and encroachment by business and light manufacturing.
[(Fouberg, Murphy, de Blij)]
References
{{Reflist
External links
Write-up on Urban Land Use Models including the Burgess Concentric ring model
Urban studies and planning terminology