3.3 Changing structure of urban settlements Flashcards
CBD
Central Business District
Concentric zone
Region of an urban area, circular in shape surrounding the CBD and other regions.
Functional zonation
Pattern of land uses in an urban area whereby distinctive retail, office, manufacturing and residential zones can be recognized
Zone in transition (twilight zone)
Area just beyond the CBD that is characterised by a mixture of residential, industrial and commercial land use.
Bid-rent
Decreasing accessibility from the centre of an urban are.
Sector
Section of an urban area with shape of a wedge beginning at the edge of the CBD gradually widening to the periphery.
Urban density gradient
The rate at which population density and land use falls off with increasing distance from the centre of the city.
Deindustrialisation
Long-term decline of employment in manufacturing .
Post-industrial city
City whose economy is dominated by services and new high-tech industries
Constrained location theory
Identifies the problems encountered by manufacturing firms in congested cities.
Rural-urban fringe
Boundary zone where rural and urban land meet.
Key workers
Public sector professional or semi-professional workers
Spatial competition
Competition for space by different land uses in various parts of an urban area.
Residential segregation
Division of an urban area into districts of low, medium and high-income housing.