Spatial accessibility to amenities, natural areas and urban green spaces: using a multiscale, multifractal simulation model for managing urban sprawl

Yamu, Claudia; Frankhauser, Pierre

doi:10.1068/b130171p

Cited by 26 publications

(37 citation statements)

References 17 publications

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“…In this paper, we focus on the accessibility rules for shops, services, and leisure, as well as the population model. Fractalopolis also includes a "lacunarity" rule on a local scale (neighborhood), which was discussed by Yamu and Frankhauser [2].…”

Section: The Multifractal Planning Model Fractalopolismentioning

confidence: 99%

“…Previous studies have shown that, using fractal logic on a regional scale, either a Fournier dust or a Sierpiński carpet is very useful. On an urban scale, however, a Sierpiński carpet [2] or, when a higher densification is intended, monofractal logic is advantageous [34] for developing urban planning scenarios.…”

Section: From Theory To Applicationmentioning

confidence: 99%

“…Alexander [30] and Salingaros [31] have published research contributing to the idea of fractals as linked to urban planning. This led us to consider how fractal logic could be made operational for urban planning [2] (see Figure 1). To illustrate this, the example we chose refers to a Sierpiński carpet, which was inspired by the theoretical reasoning found in Christaller's Central Place Theory [18] and Calthorpe's Transit-Oriented Development (TOD) [17].…”

Section: From Theory To Applicationmentioning

confidence: 99%

“…Moving from theory to application, the multifractal model Fractalopolis was developed and made operational as a GIS-based software application [2,20,21]. The simulation model makes it possible to use multifractal logic to develop planning scenarios.…”

Section: The Multifractal Planning Model Fractalopolismentioning

confidence: 99%

“…For decades now in Western Europe and North America, the phenomenon of urban sprawl has arisen due to a combination of more affordable housing in peri-urban areas and the desirability of residential areas close to green areas, which has also resulted in an increase in trip length to jobs and other facilities [1][2][3][4]. In Latin America, Africa, or Asia, urban sprawl is additionally caused by the pressure of population growth and informal settlements [5,6].…”

Section: Introductionmentioning

confidence: 99%

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An Integrated Modeling Approach Combining Multifractal Urban Planning with a Space Syntax Perspective

Yamu

Nes

2017

Urban Science

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Abstract:The United Nations Paris agreement of 2015 highlighted the need for urban planning to prevent and contain urban sprawl so as to reduce trip lengths through an efficient distribution of agglomerations and a well-balanced urban pattern distribution, all while considering travel behavior and accessibility to green areas, services, and facilities on different temporal scales. For the Vienna-Bratislava metropolitan region, our integrated modeling approach uses a combination of multifractal spatial modeling along with a space syntax perspective. Multifractal strategies are intrinsically multiscalar and adhere to five planning principles: hierarchical (polycentric) urban development to manage urban sprawl; sustainable transit-oriented development; locally well-balanced urban pattern and functions distribution to enhance vital urban systems, local centers, and neighborhoods; penetration of green areas into built-up areas; and the preservation of large interconnected networks of green areas to conserve biodiversity. Adding space syntax modeling to a multifractal strategy integrates how space relates to functional patterns based on centrality, thus applying a socio-spatial perspective. In this paper, we used the following workflow for an integrated modeling approach: (1) Space syntax to identify the urban systems' hierarchy and so determine a spatial strategy regionally; (2) Fractalopolis to create a multifractal development plan for potential urbanization; and (3) Space syntax to design a strategic urban master plan for locating new housing and facilities vis-à-vis socioeconomic factors.

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Section: The Multifractal Planning Model Fractalopolismentioning

confidence: 99%

Section: From Theory To Applicationmentioning

confidence: 99%

Section: From Theory To Applicationmentioning

confidence: 99%

Section: The Multifractal Planning Model Fractalopolismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An Integrated Modeling Approach Combining Multifractal Urban Planning with a Space Syntax Perspective

Yamu

Nes

2017

Urban Science

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Analysing Linear Spatial Relationships: The Measures of Connectivity, Integration, and Choice

Nes

Yamu

2021

Introduction to Space Syntax in Urban Studies

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In this chapter, we first explain the concept of an axial line and how the axial map is applied in space syntax. We then discuss the static measure of ‘connectivity’ with its ‘one-step’ to ‘n-step’ logic, including its meaning for axialintegration analysis. We further present the segment integration analysis. Using the streetsegment as the basis for analysis allows one to apply three types of distances and three types of radii in space syntax. We then present the most-often used space syntax measures in more depth, namely angularchoice and angular integrationwith metric radius, and introduce the mathematical formulae on how to normalise both measures. Real-life applications illustrate and underpin the usefulness of these measures and their meaning for urban analysis, such as why and how they allow us to identify urban societal processes and their added value at both a citywidescale and a neighbourhoodscale. Finally, we critically reflect on the measures, including their potentials and misfits. Exercises are provided at the end of the chapter.

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Planning for Sustainability: A New Unit of Spatial Planning for Driving Transition

Miše

Bevilacqua

2023

Lecture Notes in Networks and Systems

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The health and climate crisis are calling for an urgent re-evaluation of concepts such as resilience and sustainability and how we measure and implement them, sifting the debate towards the role urban design and planning play in driving urban transitions. Recent studies have been introduced to investigate the dynamics of the pandemic in urban areas and the ample literature on tools and methods for measuring vulnerabilities. The paper calls for a need to re-scale urban planning down to a human level by bridging space syntax attributes with measures of resilience. It introduces a data and evidence-based approach framework for driving urban transitions utilizing risk assessment (National Risk Index) and a vulnerability measuring index (City Resilience Index) to quantify spatial attributes which foster sustainable practices. A scenario testing method is proposed to make urban design more consistent with the strategic mission of urban planning driving resilience and transition.

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Spatial accessibility to amenities, natural areas and urban green spaces: using a multiscale, multifractal simulation model for managing urban sprawl

Abstract: International audienc

Cited by 26 publications

References 17 publications

An Integrated Modeling Approach Combining Multifractal Urban Planning with a Space Syntax Perspective

An Integrated Modeling Approach Combining Multifractal Urban Planning with a Space Syntax Perspective

Analysing Linear Spatial Relationships: The Measures of Connectivity, Integration, and Choice

Planning for Sustainability: A New Unit of Spatial Planning for Driving Transition

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