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Inferring Floor Area Ratio Thresholds for the Delineation of City Centers Based on Cognitive Perception

Michael Wurm, Jan Goebel (), Gert Wagner (), Matthias Weigand, Stefan Dech and Hannes Taubenböck

No 1067, SOEPpapers on Multidisciplinary Panel Data Research from DIW Berlin, The German Socio-Economic Panel (SOEP)

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’

Keywords: city center; cognitive perception; urban spatial structure; density; floor area ratio (search for similar items in EconPapers)
Pages: 16 p.
Date: 2020
New Economics Papers: this item is included in nep-ure
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