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Critical perspectives on suburban infrastructures : contemporary international cases
\"Most new urban growth takes place in the suburbs; consequently, infrastructures are in a constant state of playing catch-up, creating repeated infrastructure crises in these peripheries. However, the push to address the tensions stemming from this rapid growth also allow the suburbs to be a major source of urban innovation. Taking a critical social science perspective to identify political, economic, social, and environmental issues related to suburban infrastructures, this book highlights the similarities and differences between suburban infrastructure conditions encountered in the Global North and Global South. Adopting an international approach grounded in case studies from three continents, this book discusses infrastructure issues within different suburban and societal contexts: lowdensity infrastructure-rich Global North suburban areas, rapidly developing Chinese suburbs, and the deeply socially stratified suburbs of poor Global South countries. Despite stark differences between types of suburbs, there are features common to all suburban areas irrespective of their location, and similarities in the infrastructure issues confronting these different categories of suburbs.\"-- Provided by publisher.
Book
Monitoring and Modeling the Patterns and Trends of Urban Growth Using Urban Sprawl Matrix and CA-Markov Model: A Case Study of Karachi, Pakistan
Understanding the spatial growth of cities is crucial for proactive planning and sustainable urbanization. The largest and most densely inhabited megapolis of Pakistan, Karachi, has experienced massive spatial growth not only in the core areas of the city, but also in the city’s suburbs and outskirts over the past decades. In this study, the land use/land cover (LULC) in Karachi was classified using Landsat data and the random forest algorithm from the Google Earth Engine cloud platform for the years 1990, 2000, 2010, and 2020. Land use/land cover classification maps as well as an urban sprawl matrix technique were used to analyze the geographical patterns and trends of urban sprawl. Six urban classes, namely, the primary urban core, secondary urban core, sub-urban fringe, scatter settlement, urban open space, and non-urban area, were determined for the exploration of urban landscape changes. Future scenarios of LULC for 2030 were predicted using a CA–Markov model. The study found that the built-up area had expanded in a considerably unpredictable manner, primarily at the expense of agricultural land. The increase in mangroves and grassland and shrub land proved the effectiveness of afforestation programs in improving vegetation coverage in the study area. The investigation of urban landscape alteration revealed that the primary urban core expanded from the core districts, namely, the Central, South, and East districts, and a new urban secondary core emerged in Malir in 2020. The CA–Markov model showed that the total urban built-up area could potentially increase from 584.78 km2 in 2020 to 652.59 km2 in 2030. The integrated method combining remote sensing, GIS, and an urban sprawl matrix has proven invaluable for the investigation of urban sprawl in a rapidly growing city.
Journal Article
Spatiotemporal Patterns and Driving Factors of Cropland Abandonment in Metropolitan Suburbs: A Case Study of Chengdu Directly Administered Zone, Tianfu New Area, Sichuan Province, China
Cropland abandonment (CA) has become a significant threat to agricultural sustainability, particularly in metropolitan suburbs where urban expansion and cropland preservation often conflict. This study examines the Chengdu Directly Administered Zone of the Tianfu New Area in Sichuan Province, China, as a case study, utilizing high-precision vector data from China’s 2019–2023 National Land Survey to identify abandoned croplands through land use change trajectory analysis. By integrating kernel density estimation, spatial autocorrelation analysis, and geographically weighted regression modeling, we quantitatively analyzed the spatiotemporal patterns of CA and the spatial heterogeneity of driving factors in the study area. The results demonstrate an average annual abandonment rate of approximately 8%, exhibiting minor fluctuations but significant spatial clustering characteristics, with abandonment hotspots concentrated in peri-urban areas that gradually expanded toward urban cores over time, while exurban regions showed lower abandonment rates. Cropland quality and the aggregation index were identified as key restraining factors, whereas increasing slope and land development intensity were found to elevate abandonment risks. Notably, distance to roads displayed a negative effect, contrary to conventional understanding, revealing that policy feedback mechanisms induced by anticipated land expropriation along transportation corridors serve as important drivers of suburban abandonment. This study provides a scientific basis for optimizing resilient urban–rural land allocation, curbing speculative abandonment, and exploring integrated “agriculture + ecology + cultural tourism” utilization models for abandoned lands. The findings offer valuable insights for balancing food security and sustainable development in rapidly urbanizing regions worldwide, particularly providing empirical references for developing countries addressing the dilemma between urban expansion and cropland preservation.
Journal Article
Selection of MSW landfill site by fuzzy-AHP approach combined with GIS: case study in Ahvaz, Iran
The study was aimed to use fuzzy multi-criteria decision making integrated with GIS to select the optimum location for municipal solid waste (MSW) landfill sites that comply with standard landfill guidelines and environmental and socio-economic criteria. Fuzzy logic and, in particular, fuzzy sets were applied to create the criteria layers in GIS and to weigh and integrate these layers in GIS. Analytical Hierarchy Process (AHP) was also used to determine the land suitability for landfill. The method was used as a case study to determine the location of landfills in the suburbs of Ahvaz, Iran. According to the results, transportation networks and residential and commercial areas were the most influential factors on the placement of landfills, with a final weight of 0.163 and 0.131, respectively. Areas near roads and transportation networks but far from the sensitive environmental zones were most suitable for landfill. Finally, 11 sites that met the defined requirements were selected as suitable locations for MSW landfill. This technique and its results can provide a proper guideline to help decision makers choose the optimal landfill site in the future. Depending on their importance in each region, the methodology can incorporate other factors and criteria.
Journal Article
Multi-Dimensional Analysis of Urban Growth Characteristics Integrating Remote Sensing Data: A Case Study of the Beijing–Tianjin–Hebei Region
Sustainable urban growth is an important issue in urbanization. Existing studies mainly focus on urban growth from the two-dimensional morphology perspective due to limited data. Therefore, this study aimed to construct a framework for estimating long-term time series of building volume by integrating nighttime light data, land use data, and existing building volume data. Indicators of urban horizontal expansion (UHE), urban vertical expansion (UVE), and comprehensive development intensity (CDI) were constructed to describe the spatiotemporal characteristics of the horizontal growth, vertical growth, and comprehensive intensity of the Beijing–Tianjin–Hebei (BTH) urban agglomeration from 2013 to 2023. The UHE and UVE increased from 0.44 and 0.30 to 0.50 and 0.53, respectively, indicating that BTH has simultaneously experienced horizontal growth and vertical growth and the rate of vertical growth was more significant. The UVE in urban areas and suburbs was higher and continuously increasing; in particular, the UVE in the suburbs changed from 0.35 to 0.60, showing the highest rate of increase. The most significant UHE growth was mainly concentrated in rural areas. The spatial pattern of the CDI was stable, showing a declining trend along the urban–suburb–rural gradient, and CDI growth from 2013 to 2023 was mainly concentrated in urban and surrounding areas. In terms of temporal variation, the CDI growth during 2013–2018 was significant, while it slowed after 2018 because economic development had leveled off. Economic scale, UHE, and UVE were the main positive factors. Due to the slowdown of CDI growth and population growth, economic activity intensity, population density, and improvement in the living environment showed a negative impact on CDI change. The results confirm the validity of estimating the multi-dimensional growth of regions using remote sensing data and provide a basis for differentiated spatial growth planning in urban, suburban, and rural areas.
Journal Article
The Coordinative Evaluation of Suburban Construction Land from Spatial, Socio-Economic, and Ecological Dimensions: A Case Study of Suburban Wuhan, Central China
As a zone lying adjacent to urban areas, construction land development in suburbs includes urban expansion caused by urbanization and rural construction land increments caused by rural development. Given the necessity of satisfying urban and rural development demands while protecting the ecological environment, goals of land use efficiency, socio-economic coordination, and ecological benefit need to be ensured simultaneously, which indicates that the coordinative development of suburban construction land is of great significance, thereby raising the need for a reasonable evaluation for the coordinative level from multiple dimensions. However, the evaluation of suburban construction land coordination considering spatial, socio-economic, and ecological factors is insufficiently studied. To fill the research gap, this study comprehensively evaluates the coordination of suburban construction land at the town level. Specifically, four indicators from spatial, socio-economic, and ecological dimensions, including landscape pattern, accessibility, socio-economic symbiosis, and ecological functional suitability, are selected. By utilizing coupling coordination degree estimation, the coordination among the four selected indicators is evaluated. By adopting a case study of suburban Wuhan, different coordinative levels regarding suburban construction land development are identified and respondent suggestions to promote the coordination of suburban construction land under current China’s land use policies are provided. This study contributes to understanding the coordinative development of suburban construction land and proposing a method to estimate the coordination.
Journal Article
Supply–Demand Spatial Patterns of Cultural Services in Urban Green Spaces: A Case Study of Nanjing, China
Amid rapid urbanization, cities are becoming increasingly compact, leading to intensified land resource constraints and environmental pressures. As a result, urban parks and green spaces have emerged as critical areas for providing cultural ecosystem services (CESs). However, the spatial distribution of CES supply and demand within urban green spaces remains significantly unbalanced, necessitating precise identification and quantification of CES supply–demand patterns to enhance ecosystem service efficiency. This study uses Nanjing, China, as a case study to develop an indicator framework for urban green space CES supply and demand, leveraging multi-source data. By employing spatial autocorrelation analysis (Bivariate Moran’s I) and a coupling coordination model, this research systematically assesses the spatial patterns of CESs in urban parks and green spaces. The results indicate that the overall CES supply–demand coordination in Nanjing exhibits a “high in the city center, low at the edges, and mismatched in the suburbs” pattern. Specifically, while 9.71% of the areas demonstrate well-matched CES supply and demand, 4.14% of the areas experience insufficient CES demand, and 3.66% face CES supply shortages, primarily in the urban outskirts, leading to a mismatch in green space distribution. This study further reveals the spatial heterogeneity of CES supply–demand matching across different urban districts. Based on these findings, this research proposes optimization strategies to improve CES allocation, providing a scientific basis for urban green space ecosystem service management and promoting the sustainable development of cities.
Journal Article
Urban Land Expansion Dynamics and Drivers in Peri-Urban Areas of China: A Case of Xiaoshan District, Hangzhou Metropolis (1985–2020)
China has seen a transition from impulsive industrial development-driven urban expansion to urban planning and government control since the start of the 21st century. Urban planning attempts to ensure the sustainable development of cities and the rational use of land resources. The dual-track urbanization process does, however, often result in a significant gap between planning and actual development. This paper contends that a comprehensive dual-track urbanization research perspective is better suited for investigating urban sprawl in peri-urban areas in post-reform market economy-active regions. Taking Xiaoshan District, the peri-urban area of Hangzhou, China, as a case study, this research utilizes land use raster data from 1985, 2000, 2010, and 2020 to identify the dynamic changes in urban construction land and examines the driving elements through the logistic regression model. Based on the results, the mechanisms of market-incented and government-controlled impacts on urban expansion are explained. This study aims to (1) analyze the spatial and temporal patterns of Xiaoshan’s urban expansion during 1985–2020; (2) compare the compositional characteristics of three types of urban growth (edge growth, infilling, and leapfrog development) in each phase of Xiaoshan; (3) identify the natural environment, accessibility factors, and socioeconomic aspects that promote Xiaoshan’s urban expansion in 2000–2020; (4) discuss Xiaoshan’s dual-track urbanization from four perspectives: regional development, private business, government control, and major events. This study advanced our knowledge of the driving mechanisms of urban land expansion in small towns, from peri-urban areas to metropolitan sub-centers, and, thus, has important implications for Chinese urban planning and the management of metropolitan suburbs, especially those located in the Yangtze River Delta.
Journal Article
Old Europe, new suburbanization? : governance, land, and infrastructure in European suburbanization
The youthful vigour of urbanization in North America has promulgated a dominant perspective on urban theory, specifically on suburbs, that establishes the United States as the norm against which all other contexts are measured. However, much of the vocabulary surrounding the American experience isn’t applicable to the wider world.
Old Europe, New Suburbanization? takes us on a journey of rediscovery into some of Europe’s oldest metropolises. The volume’s contributors reveal the great variety of patterns and processes of urbanization that make Europe a fruitful ground for furthering the diversity of global suburbanisms. The effects of urban history found in such cities as Athens, London, Madrid, Montpellier, and Sofia, varies greatly due to the sheer variety of economic, industrial, land, and expansionist policies at play on the continent. This collection highlights the varied historical and geographical manifestations that have shaped urban areas and provides evidence for new processes of suburbanization.
eBook
From crisis to projects; a regional agenda for addressing foreclosures in shrinking first suburbs: Lessons from Warren, Michigan
Global urban development is currently characterized by varied combination of metropolitan growth and urban core shrinkage. Although much of the shrinkage is concentrated in central cities, first suburbs are now facing the same problem. In this article, Warren, the oldest first suburb of Detroit, is examined as a case study of a shrinking city facing a crisis of economic downturn, automotive restructuring, high unemployment and real-estate foreclosures. Within this context of foreclosure crisis, the research questions are as follows: How existing agencies and institutions (such as local governments, community organizations, business groups and schools) might work at the neighborhood, city or regional level to address foreclosures? How it might help or reduce foreclosures? How can we reuse and revitalize foreclosed properties and abandoned lands? And what specific lessons can be learned that might be applicable in other cities? These questions are specifically explored through documentation and analysis of existing resources and current efforts in Warren. The empirical methodology reveals Warren's attempt to develop planning strategies, culturally based initiatives, community design projects and creative partnerships in the region in order to address challenges of shrinkage and foreclosures at multiple scales. The Warren case study illustrates opportunities for flexible policies combining rightsizing, shared maintenance and incremental development in struggling first suburban communities, which are less studied and often ignored.
Journal Article