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urban land-use model  Three models for looking at the pattern of land use in older towns and cities. The concentric model, suggested by E W Burgess in 1925, displays a series of concentric circles with the central business district (CBD) at the centre and the commuter zone on the outer ring. The sector theory, put forward by Homer Hoyt in 1939, has industrial and residential zones in sectors radiating from the CBD at the centre. The multiple-nuclei theory was developed by D Harris and E L Ullman in 1945. In this model, the different zones grow in several independent areas rather than solely around the CBD. | In the social sciences, a simplified pattern of the land use (such as industry, housing, and commercial activity) that may be found in towns and cities. These models are based on an understanding of the way in which these areas have grown. The most common ways of looking at urban land use are: concentric-ring theory, sector theory, and multiple-nuclei theory. Each results in different shapes of land-use areas. In practice, factors such as topography, land fertility, and culture vary from one city to another and affect their final form. |
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