City models

Concentric Zone Model

A model developed by Ernest Burgess in the 1920s describing urban environments in concentric rings.

Central Business District (CBD)

The innermost ring of the Concentric Zone Model where business is primarily located.

Transition Zone

An area of deterioration and gentrification in urban environments.

Working-Class Zone

A zone marked by modest homes and apartments in the Concentric Zone Model.

Residential Zone

A zone comprised of single-family homes, typically in suburban areas.

Commuter Zone

The outskirts of a city consisting of residential areas.

Sector Model

Model proposed by Homer Hoyt in 1939 that suggests urban growth creates sectors extending from the city center.

Industrial Corridor

An area extending along transportation routes in the Sector Model.

Multiple Nuclei Model

A model by Harris and Ullman in 1945 stating that cities develop around multiple nodes or nuclei.

Nuclei

Specialized centers in urban environments attracting specific activities.

Peripheral Model

Describes urban areas with an inner city surrounded by suburbs and edge cities.

Edge Cities

Nodes of economic activity located along the periphery of a city.

Latin American City Model (Griffin-Ford Model)

A model combining Latin American culture and globalization elements, featuring a primary CBD and nearby high-income developments.

Disamenity Zones

Unsafe or undesirable areas within the Latin American City Model.

Southeast Asian City Model

Model describing urban areas focused on ports and trade, lacking a dominant CBD.