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Midtown Manhattan, the largest central business district in the world. A central business district (CBD) is the commercial and business center of a city. It contains commercial space and offices, and in larger cities will often be described as a financial district. Geographically, it often coincides with the "city centre" or "downtown
Based on human ecology theory done by Burgess and applied on Chicago, it was the first to give the explanation of distribution of social groups within urban areas.This concentric ring model depicts urban land usage in concentric rings: the Central Business District (or CBD) was in the middle of the model, and the city is expanded in rings with different land uses.
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. [1] The model includes an inner core where land is expensive and used intensively, resulting in vertical development.
Activity centre is a term used in urban planning and design for a mixed-use urban area where there is a concentration of commercial and other land uses. For example, the central business districts of cities (CBD) are also known as “Central Activities Districts” (CAD) (also known as Downtown in North America or "Central Activities Zone" in the United Kingdom, in recognition of the fact that ...
The model describes the layout of a city, based on Chicago. It says that even though a city may have begun with a central business district, or CBD, other smaller CBDs develop on the outskirts of the city near the more valuable housing areas to allow shorter commutes from the outskirts of the city. This creates nodes or nuclei in other parts of ...
Urban structure is the arrangement of land use in urban areas, in other words, how the land use of a city is set out. [1] Urban planners , economists , and geographers have developed several models that explain where different types of people and businesses tend to exist within the urban setting.
Central place theory is an urban geographical theory that seeks to explain the number, size and range of market services in a commercial system or human settlements in a residential system. [1] It was introduced in 1933 to explain the spatial distribution of cities across the landscape. [ 2 ]
Some areas of the city may be designated for 'mixed usage', which means some commercial areas may be used for residential purposes. A quaint downtown shopping area with apartments would be an example of mixed usage. Commercial areas definition may include industrial usage as well, although zoning laws still regulate the level of industry permitted.