Architecture, Building and Planning - Theses

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Author: Tumturk, Onur × End date: 2023 × Start date: 2020 × Subject: urban planning ×

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    A data-driven investigation on urban form evolution: Methodological and empirical support for unravelling the relation between urban form and spatial dynamics
    Tumturk, Onur ( 2023-06)
    Investigating the patterns of urban development and transformation and unravelling the principles behind these processes are critical for understanding how cities evolve under different physical conditions. While socio-economic, political and cultural forces undeniably shape the patterns of spatial change and persistence, urban form should not be perceived as a passive resultant or a mere consequence of these processes. Quite the contrary, urban form plays a determinant role in establishing the spatial conditions that influence future development patterns by constraining some choices while facilitating others. Recognising the scarcity of systematic, diachronic and quantitative studies on urban form evolution, this thesis is driven by an interest in understanding the relationship between urban form and spatial change. It aims to develop theoretical, methodological and empirical support for unravelling the influential role of urban form in guiding spatial dynamics. The thesis develops a diachronic and quantitative methodological framework to investigate how urban form conditions created by plots, buildings, streets and land uses affect the patterns of change and persistence in three different grid cities: Midtown Manhattan, New York (US); City Centre, Melbourne (AUS); and Eixample, Barcelona (Spain). As part of the research, three longitudinal morphological datasets were generated, drawing upon a rich array of historical cartographic resources and geospatial databases to enable a comprehensive assessment of urban form evolution within each city between the 1800s and 2000s. Through quantitative analysis of urban form and its association with spatial dynamics, the thesis demonstrates that urban form conditions have a measurable impact on the patterns of physical and functional change. This understanding contributes further to the fact that design does not exclude the possibility of change but may even favour it under particular conditions. A rigorous and evidence-based understanding of the interplay between urban form conditions and patterns of spatial change empowers practitioners and policymakers to choose particular forms and structures over others, guide the long-term evolution of urban form and improve the adaptive capacity and resilience of the built environment.