Unit 6 Ch 16 Textbook Reading

Central Business District (CBD)

The most accessible part of a city, typically containing the highest land values and a concentration of commercial activities.

Bid-Rent Theory

A model explaining the relationship between land value, commercial location, and transportation, indicating that land costs decrease as distance from the CBD increases.

Concentric-Zone Model

A model proposed by Ernest Burgess that shows a city growing outward from its CBD in a series of rings, each representing different land uses.

Hoyt Sector Model

A model developed by Homer Hoyt that illustrates how cities grow in wedge-shaped sectors along transportation routes rather than in concentric circles.

Multiple-Nuclei Model

A model by Chauncey Harris and Edward Ullman that suggests cities have multiple centers or nodes where different types of activities cluster.

Galactic City Model

A model describing urban development that moves from the central city towards the suburbs, characterized by decentralized economic activity.

Latin American City Model

A model identifying the distinctive layout and structure of cities in Latin America, which includes elements like a central market and wealth distribution along a spine.

African City Model

A model showing that many African cities have multiple CBDs, often divided along ethnic lines and characterized by informal settlements in the outer rings.

Southeast Asian City Model

A model representing cities that develop around ports with a lack of defined CBD, featuring mixed land uses.

Urban Infrastructure

The basic physical systems of a city, including transportation, communication, sewage, water systems, and electrical grids, crucial for a functioning society.

Zoning

The legislative process of dividing a city into zones where specific land uses are permitted, influencing urban development patterns.

Housing Density

The number of housing units per unit area, categorized into low, medium, and high density, affecting population distributions within urban areas.

Infill Development

The process of redeveloping vacant or under-used parcels within previously built areas to increase urban density and housing availability.

Disamenity Zones

Areas in urban settings that are characterized by high poverty, poor living conditions, and inadequate access to public services.

Informal Settlements

Unplanned and unregulated residential areas, often characterized by substandard housing and lack of services, commonly known as shantytowns.

Public Services

Essential services provided by the government, which include education, healthcare, police, and fire protection, that contribute to the overall health of a community.

Urban Blight

The deterioration of a neighborhood due to neglect, leading to a decrease in property values and quality of life.