Transformation of Istanbul from a monocentric to a polycentric city |
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Authors: | Vedia Dökmeci Lale Berköz |
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Affiliation: | Mimarlik Fakultesi , Istanbul Teknik Universitesi , Takim, Istanbul, 80191, Turkey |
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Abstract: | This paper investigates the spatial transformation of Istanbul from a monocentric to a polycentric city following the growth of the city and the development of its communications systems. The population and employment of peripheral districts have been growing rapidly, while those of the core districts have decreased. In addition, other variables are utilized for the identification of polycentres such as tax revenues from commercial enterprises, weighted average trip length and volume of mail. The results of the study reveal that the old CBD of Istanbul is no longer a dominant employment centre. Instead, a new CBD is emerging at the intersection of the radial and the peripheral highways, and subcentres are developing in some of the first and second ring districts. A major contributing factor to Istanbul's polycentric development has been the transformation of its economy into one that requires large modem office space and facilities for private automobiles—both of which are difficult to provide within the old CBD. In addition, the construction of peripheral highways has contributed to a pattern of polycentric development. Moreover, there is a desperate need for planned development of these subcentres in order to prevent their current haphazard development and to give a character to the peripheral areas of Istanbul. |
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