Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/214239
Authors: 
Wurm, Michael
Goebel, Jan
Wagner, Gert G.
Weigand, Matthias
Dech, Stefan
Taubenböck, Hannes
Year of Publication: 
2020
Series/Report no.: 
SOEPpapers on Multidisciplinary Panel Data Research No. 1067
Abstract: 
The morphology of today's cities is the result of historic urban developments and ongoing urban transformation resulting in complex urban spatial structures. While functionally as well as spatially, cities are structured into sub-units such as the city center, business districts, residential areas or industrial and commercial zones, their precise localization in the geographic space is sometimes difficult. City centers in particular are difficult to grasp because they stand for many different urban functions. Generally, they are characterized as areas of high densities, such as employment, population or commerce, but also as areas of high structural densities. In past studies, various approaches, data and cut-off values have been presented to separate city centers from the surrounding transition zones in geographical information systems based on density values. To overcome the difficulty in defining the right density threshold, the current study presents an approach which integrates the subjective perception of citizens on the urban spatial structure and relate it to the floor area ratio to delineate city centers to infer a characteristic density threshold. In a large empirical study for 67 monocentric cities in Germany we observe a decreasing floor area ratio gradient towards the urban fringes. The result of the study reveals a relative threshold for city centers at around 30% of the density of the "central place".
Subjects: 
city center
cognitive perception
urban spatial structure
density
floor area ratio
Document Type: 
Working Paper

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