Pub Date : 2023-08-21DOI: 10.1038/s42949-023-00127-8
Sanna Ala-Mantila, Antti Kurvinen, Aleksi Karhula
As a result of the ongoing urbanization megatrend, cities have an increasingly critical role in the search for sustainability. To create sustainable strategies for cities and to follow up if they induce desired effects proper metrics on the inter and intra-urban development is needed. In this paper, we analyze the sustainability development in the 20 largest cities in Finland through a residential area classification framework. The results based on high-quality register data show concerning trends in some sustainability measures, and divergent trends between cities and residential areas within. Overall, while densities have increased modestly, we see no clear signs of decreasing car ownership rates. Further, also manifestations of social sustainability seem to be insufficient in many locations–especially in residential mid-rise areas from the ''60s and ''70s, and ''80s and ''90s.
{"title":"Measuring sustainable urban development in residential areas of the 20 biggest Finnish cities","authors":"Sanna Ala-Mantila, Antti Kurvinen, Aleksi Karhula","doi":"10.1038/s42949-023-00127-8","DOIUrl":"10.1038/s42949-023-00127-8","url":null,"abstract":"As a result of the ongoing urbanization megatrend, cities have an increasingly critical role in the search for sustainability. To create sustainable strategies for cities and to follow up if they induce desired effects proper metrics on the inter and intra-urban development is needed. In this paper, we analyze the sustainability development in the 20 largest cities in Finland through a residential area classification framework. The results based on high-quality register data show concerning trends in some sustainability measures, and divergent trends between cities and residential areas within. Overall, while densities have increased modestly, we see no clear signs of decreasing car ownership rates. Further, also manifestations of social sustainability seem to be insufficient in many locations–especially in residential mid-rise areas from the ''60s and ''70s, and ''80s and ''90s.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-12"},"PeriodicalIF":0.0,"publicationDate":"2023-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00127-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43007806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-19DOI: 10.1038/s42949-023-00114-z
Rajat Verma, Satish V. Ukkusuri
Measures of walkability generally do not provide a detailed quantitative assessment of pedestrian infrastructure development prioritization. In this study, a link-based composite measure of walkability and walking is introduced to overcome this limitation. This measure, called ‘pednet score’, is based on a weighted pedestrian network (‘pednet’) made of sidewalks and crosswalks whose edge weights are descriptive of their popularity. Edge popularity is derived from home-based walk trip assignments derived from simulated pedestrian demand. Properties of the pednet score are studied using three hypothetical variants of the pednet in three North American cities, each involving the addition of candidate sidewalk and/or crosswalk segments. It is shown that a strategic selection of these segments based on pednet score can substantially increase walking trips, in some cases up to 236%, and reduce current mean pedestrian trip distances by up to 340 m. A mixed development approach involving both sidewalks and crosswalks also shows considerably higher improvement than those segments considered alone. Results from marginal benefit curves strongly indicate the utility of the pednet score as a measure of link criticality for segment prioritization in pedestrian network design.
{"title":"A link criticality approach for pedestrian network design to promote walking","authors":"Rajat Verma, Satish V. Ukkusuri","doi":"10.1038/s42949-023-00114-z","DOIUrl":"10.1038/s42949-023-00114-z","url":null,"abstract":"Measures of walkability generally do not provide a detailed quantitative assessment of pedestrian infrastructure development prioritization. In this study, a link-based composite measure of walkability and walking is introduced to overcome this limitation. This measure, called ‘pednet score’, is based on a weighted pedestrian network (‘pednet’) made of sidewalks and crosswalks whose edge weights are descriptive of their popularity. Edge popularity is derived from home-based walk trip assignments derived from simulated pedestrian demand. Properties of the pednet score are studied using three hypothetical variants of the pednet in three North American cities, each involving the addition of candidate sidewalk and/or crosswalk segments. It is shown that a strategic selection of these segments based on pednet score can substantially increase walking trips, in some cases up to 236%, and reduce current mean pedestrian trip distances by up to 340 m. A mixed development approach involving both sidewalks and crosswalks also shows considerably higher improvement than those segments considered alone. Results from marginal benefit curves strongly indicate the utility of the pednet score as a measure of link criticality for segment prioritization in pedestrian network design.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-10"},"PeriodicalIF":0.0,"publicationDate":"2023-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00114-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41878864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-16DOI: 10.1038/s42949-023-00128-7
Celina Aznarez, Jens-Christian Svenning, Juan Pablo Pacheco, Frederik Have Kallesøe, Francesc Baró, Unai Pascual
Socio-economic and historical drivers shape urban nature distribution and characteristics, as luxury (wealth-related) and legacy (historical management) effects. Using remote sensing and census data on biodiversity and socio-economic indicators, we examined these effects on urban biodiversity and vegetation cover in Vitoria-Gasteiz (Basque Country). We also tested the luxury and legacy hypotheses on regulating ecosystem services (ES) and explored predictor interactions. Higher educational attainment positively correlated with urban biodiversity, confirming the luxury effect, but had no effect on vegetation cover or ES. Older areas had higher vegetation cover and ES evidencing a legacy effect with an inverse response on biodiversity, attributable to more recent management strategies promoting biodiversity in green spaces. Habitat quality amplified the luxury effect, while population density strengthened the legacy effect. Our results suggest that urban biodiversity is mainly driven by socio-economic factors, while vegetation cover and ES are influenced by management legacies in interaction with population density.
社会经济和历史驱动因素塑造了城市自然分布和特征，如奢侈品（与财富相关）和遗产（历史管理）效应。利用关于生物多样性和社会经济指标的遥感和普查数据，我们研究了这些因素对巴斯克地区维多利亚-加斯蒂斯城市生物多样性和植被覆盖的影响。我们还检验了调节生态系统服务（ES）的奢侈性和传承性假设，并探索了预测因素之间的相互作用。较高的教育程度与城市生物多样性呈正相关，证实了奢侈效应，但对植被覆盖率或生态系统服务没有影响。较老区域的植被覆盖率和 ES 较高，这证明了遗产效应与生物多样性的反向反应，这归因于近期促进绿地生物多样性的管理策略。栖息地质量扩大了奢侈效应，而人口密度则加强了遗产效应。我们的研究结果表明，城市生物多样性主要由社会经济因素驱动，而植被覆盖率和生态系统服务受管理遗产与人口密度相互作用的影响。
{"title":"Luxury and legacy effects on urban biodiversity, vegetation cover and ecosystem services","authors":"Celina Aznarez, Jens-Christian Svenning, Juan Pablo Pacheco, Frederik Have Kallesøe, Francesc Baró, Unai Pascual","doi":"10.1038/s42949-023-00128-7","DOIUrl":"10.1038/s42949-023-00128-7","url":null,"abstract":"Socio-economic and historical drivers shape urban nature distribution and characteristics, as luxury (wealth-related) and legacy (historical management) effects. Using remote sensing and census data on biodiversity and socio-economic indicators, we examined these effects on urban biodiversity and vegetation cover in Vitoria-Gasteiz (Basque Country). We also tested the luxury and legacy hypotheses on regulating ecosystem services (ES) and explored predictor interactions. Higher educational attainment positively correlated with urban biodiversity, confirming the luxury effect, but had no effect on vegetation cover or ES. Older areas had higher vegetation cover and ES evidencing a legacy effect with an inverse response on biodiversity, attributable to more recent management strategies promoting biodiversity in green spaces. Habitat quality amplified the luxury effect, while population density strengthened the legacy effect. Our results suggest that urban biodiversity is mainly driven by socio-economic factors, while vegetation cover and ES are influenced by management legacies in interaction with population density.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-11"},"PeriodicalIF":0.0,"publicationDate":"2023-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00128-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46157477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-03DOI: 10.1038/s42949-023-00126-9
Lindsay Cole, Maggie Low
Cities are facing increasing pressures to address complex challenges of climate change, equity, and reconciliation with Indigenous Peoples as intersecting issues, and innovation into planning and policy-making processes is urgently needed to achieve this. It is no longer good enough to work on these challenges discreetly, or solely within the dominant, western colonial paradigm and practices of governance. There are ongoing harms being caused by climate work that does not embed justice, and there are missed opportunities for synergies across these domains as they have the same systemic root causes. Cities must adapt and transform the processes and practices of planning and policy-making in order to work at these problematic roots. Drawing on an empirical study, this article describes how social innovation, systemic design, and decolonizing practices can shape a different approach to planning and policy-making processes when working at the intersections of climate, equity, and decolonization.
{"title":"Transforming planning and policy making processes at the intersections of climate, equity, and decolonization challenges","authors":"Lindsay Cole, Maggie Low","doi":"10.1038/s42949-023-00126-9","DOIUrl":"10.1038/s42949-023-00126-9","url":null,"abstract":"Cities are facing increasing pressures to address complex challenges of climate change, equity, and reconciliation with Indigenous Peoples as intersecting issues, and innovation into planning and policy-making processes is urgently needed to achieve this. It is no longer good enough to work on these challenges discreetly, or solely within the dominant, western colonial paradigm and practices of governance. There are ongoing harms being caused by climate work that does not embed justice, and there are missed opportunities for synergies across these domains as they have the same systemic root causes. Cities must adapt and transform the processes and practices of planning and policy-making in order to work at these problematic roots. Drawing on an empirical study, this article describes how social innovation, systemic design, and decolonizing practices can shape a different approach to planning and policy-making processes when working at the intersections of climate, equity, and decolonization.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-10"},"PeriodicalIF":0.0,"publicationDate":"2023-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00126-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43113035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-25DOI: 10.1038/s42949-023-00125-w
Winston Yap, Rudi Stouffs, Filip Biljecki
Urban networks play a vital role in connecting multiple urban components and developing our understanding of cities and urban systems. Despite the significant progress we have made in understanding how city networks are connected and spread out, we still have a lot to learn about the meaning and context of these networks. The increasing availability of open data offers opportunities to supplement urban networks with specific location information and create more expressive urban machine-learning models. In this work, we introduce Urbanity, a network-based Python package to automate the construction of feature-rich urban networks anywhere and at any geographical scale. We discuss data sources, the features of our software, and a set of data representing the networks of five major cities around the world. We also test the usefulness of added context in our networks by classifying different types of connections within a single network. Our findings extend accumulated knowledge about how spaces and flows within city networks work, and affirm the importance of contextual features for analyzing city networks.
{"title":"Urbanity: automated modelling and analysis of multidimensional networks in cities","authors":"Winston Yap, Rudi Stouffs, Filip Biljecki","doi":"10.1038/s42949-023-00125-w","DOIUrl":"10.1038/s42949-023-00125-w","url":null,"abstract":"Urban networks play a vital role in connecting multiple urban components and developing our understanding of cities and urban systems. Despite the significant progress we have made in understanding how city networks are connected and spread out, we still have a lot to learn about the meaning and context of these networks. The increasing availability of open data offers opportunities to supplement urban networks with specific location information and create more expressive urban machine-learning models. In this work, we introduce Urbanity, a network-based Python package to automate the construction of feature-rich urban networks anywhere and at any geographical scale. We discuss data sources, the features of our software, and a set of data representing the networks of five major cities around the world. We also test the usefulness of added context in our networks by classifying different types of connections within a single network. Our findings extend accumulated knowledge about how spaces and flows within city networks work, and affirm the importance of contextual features for analyzing city networks.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-11"},"PeriodicalIF":0.0,"publicationDate":"2023-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00125-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46008046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-21DOI: 10.1038/s42949-023-00124-x
Kate Meyrick, Peter Newman
Great places have the potential to create enhanced health outcomes and improve quality of life. The positive connection between the built environment and the social determinants of health is well documented as is the role of the built environment in establishing place quality and sense of place. However, the relationship between the concepts of place capital and health capital is less understood and specifically the extent to which high levels of place capital confer a protective and restorative health benefit across the whole of life. COVID-19 changed our appreciation of the role that both health and place play in supporting our quality and way of life and has revealed the negative impact on wellness and wellbeing that arises when our connection to place is fractured. To contribute to the debate surrounding the post-COVID-19 city, this paper explores the intrinsic connection between place and health; it proposes a conceptual model that positions place capital as a tool for enhancing whole of life health capital at a neighbourhood scale. The Framework for measuring this place capital is created from traditional place literature and the new place context literature on the need to be inclusive, equitable and sustainable. It suggests that by building great places that are based on these measurable factors, there can be a reduction in the growth of medical spending and burden of disease over time.
{"title":"Exploring the potential connection between place capital and health capital in the post COVID-19 city","authors":"Kate Meyrick, Peter Newman","doi":"10.1038/s42949-023-00124-x","DOIUrl":"10.1038/s42949-023-00124-x","url":null,"abstract":"Great places have the potential to create enhanced health outcomes and improve quality of life. The positive connection between the built environment and the social determinants of health is well documented as is the role of the built environment in establishing place quality and sense of place. However, the relationship between the concepts of place capital and health capital is less understood and specifically the extent to which high levels of place capital confer a protective and restorative health benefit across the whole of life. COVID-19 changed our appreciation of the role that both health and place play in supporting our quality and way of life and has revealed the negative impact on wellness and wellbeing that arises when our connection to place is fractured. To contribute to the debate surrounding the post-COVID-19 city, this paper explores the intrinsic connection between place and health; it proposes a conceptual model that positions place capital as a tool for enhancing whole of life health capital at a neighbourhood scale. The Framework for measuring this place capital is created from traditional place literature and the new place context literature on the need to be inclusive, equitable and sustainable. It suggests that by building great places that are based on these measurable factors, there can be a reduction in the growth of medical spending and burden of disease over time.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-14"},"PeriodicalIF":0.0,"publicationDate":"2023-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00124-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43501975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-13DOI: 10.1038/s42949-023-00117-w
Andrea Caragliu, Chiara F. Del Bo
The debate on urban smartness as an instrument for managing more efficient cities has been revolving around the notion that Smart Cities might be causing an increase in inequalities. This effect would be caused by the role played in smart urban transformations by Multi-National Corporations, which would be influencing local policymakers’ agendas. In this work we empirically verify whether smart urban characteristics are associated with an increase in urban inequalities along the digital divide dimension among urban dwellers. To this aim, we exploit a large database of 181 European cities, with data on smart urban characteristics, along with measures of the digital divide obtained with the use of survey data carried out at the European Union level. Results show a negative causal relation between the level of urban smartness and the digital divide within-EU cities. Our findings are robust to a number of robustness checks.
{"title":"Smart cities and the urban digital divide","authors":"Andrea Caragliu, Chiara F. Del Bo","doi":"10.1038/s42949-023-00117-w","DOIUrl":"10.1038/s42949-023-00117-w","url":null,"abstract":"The debate on urban smartness as an instrument for managing more efficient cities has been revolving around the notion that Smart Cities might be causing an increase in inequalities. This effect would be caused by the role played in smart urban transformations by Multi-National Corporations, which would be influencing local policymakers’ agendas. In this work we empirically verify whether smart urban characteristics are associated with an increase in urban inequalities along the digital divide dimension among urban dwellers. To this aim, we exploit a large database of 181 European cities, with data on smart urban characteristics, along with measures of the digital divide obtained with the use of survey data carried out at the European Union level. Results show a negative causal relation between the level of urban smartness and the digital divide within-EU cities. Our findings are robust to a number of robustness checks.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-11"},"PeriodicalIF":0.0,"publicationDate":"2023-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00117-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48708781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-07-12DOI: 10.1038/s42949-023-00123-y
Hallie Eakin, Ralph Hamann, Gina Ziervogel, Clifford Shearing
The structure and functioning of formal and informal governance arrangements and associated infrastructure prior to major environmental disturbance play a central role in how cities experience and respond to such events. This paper considers how city managers, businesses, and residents responded to two disturbances experienced in the City of Cape Town—a drought-induced water crisis and a pandemic crisis (COVID-19) that followed a year later—and the consequences of these actions for infrastructural assets and governance innovations. Our analysis suggests that efforts aimed at transformative change in these provisioning systems require attention to the existing and potential roles and responsibilities of private and public sector actors, as well as the associated distribution of risks and rewards. Furthermore, polycentric and decentralized governance arrangements, which are often thought to be most flexible in the face of shocks, are not always feasible or desirable to actors with a stake in resource governance.
{"title":"Emergent governance responses to shocks to critical provisioning systems","authors":"Hallie Eakin, Ralph Hamann, Gina Ziervogel, Clifford Shearing","doi":"10.1038/s42949-023-00123-y","DOIUrl":"10.1038/s42949-023-00123-y","url":null,"abstract":"The structure and functioning of formal and informal governance arrangements and associated infrastructure prior to major environmental disturbance play a central role in how cities experience and respond to such events. This paper considers how city managers, businesses, and residents responded to two disturbances experienced in the City of Cape Town—a drought-induced water crisis and a pandemic crisis (COVID-19) that followed a year later—and the consequences of these actions for infrastructural assets and governance innovations. Our analysis suggests that efforts aimed at transformative change in these provisioning systems require attention to the existing and potential roles and responsibilities of private and public sector actors, as well as the associated distribution of risks and rewards. Furthermore, polycentric and decentralized governance arrangements, which are often thought to be most flexible in the face of shocks, are not always feasible or desirable to actors with a stake in resource governance.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00123-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42075150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.1038/s42949-023-00121-0
Dylan D. Furszyfer Del Rio, Benjamin K. Sovacool, Steve Griffiths, Aoife M. Foley, Jonathan Furszyfer Del Rio
Poverty impacts people’s choices and opportunities and can perpetuate a disadvantaged status. Poverty remains a prevalent global issue due to disproportionate wealth distribution, which often translates to inequality in energy consumption and emissions. This research investigates if low-income households and minorities from four countries with very different national cultures, contexts, and levels of wealth experience a ‘double energy vulnerability’, a concept that simultaneously positions people at heightened risk of transport and energy poverty. Our research identifies that low-income households and minorities are at higher risk of simultaneously experiencing energy and transport poverty regardless of the national context in which they live. Our study also contests the achievement of Sustainable Development Goals (SDGs) by 2030, showing that even in relatively wealthy countries, many individuals still face energy and transport poverty. We conclude that global sustainable development requires significant shifts in policy action, resource distribution and investment in social services.
{"title":"A cross-country analysis of sustainability, transport and energy poverty","authors":"Dylan D. Furszyfer Del Rio, Benjamin K. Sovacool, Steve Griffiths, Aoife M. Foley, Jonathan Furszyfer Del Rio","doi":"10.1038/s42949-023-00121-0","DOIUrl":"10.1038/s42949-023-00121-0","url":null,"abstract":"Poverty impacts people’s choices and opportunities and can perpetuate a disadvantaged status. Poverty remains a prevalent global issue due to disproportionate wealth distribution, which often translates to inequality in energy consumption and emissions. This research investigates if low-income households and minorities from four countries with very different national cultures, contexts, and levels of wealth experience a ‘double energy vulnerability’, a concept that simultaneously positions people at heightened risk of transport and energy poverty. Our research identifies that low-income households and minorities are at higher risk of simultaneously experiencing energy and transport poverty regardless of the national context in which they live. Our study also contests the achievement of Sustainable Development Goals (SDGs) by 2030, showing that even in relatively wealthy countries, many individuals still face energy and transport poverty. We conclude that global sustainable development requires significant shifts in policy action, resource distribution and investment in social services.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00121-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48290810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-26DOI: 10.1038/s42949-023-00112-1
Aviral Marwal, Elisabete A. Silva
Previous studies have established a significant link between urban form and sustainability. However, the diversity of micro-scale urban forms in cities in the global south has received limited attention, hindered by the lack of neighbourhood-level spatial data and maps, which poses challenges in exploring micro-urban form features. The study addresses this gap using a grid-based k-means clustering algorithm to identify residential built-up form typologies in Delhi and assess their impact on sustainable urbanisation. The algorithm clusters 100×100 metre grid cells based on their attributes of accessibility, built-up density, and street design. The results show six distinct built-up form typologies in Delhi. However, only 19% of residential areas meet the criteria for sustainable urbanisation, highlighting the need for planning interventions in most areas. The study methodology can be applied to analyse micro-scale urban form features in other cities in the global south, providing a fresh perspective on urbanisation research.
{"title":"Exploring residential built-up form typologies in Delhi: a grid-based clustering approach towards sustainable urbanisation","authors":"Aviral Marwal, Elisabete A. Silva","doi":"10.1038/s42949-023-00112-1","DOIUrl":"10.1038/s42949-023-00112-1","url":null,"abstract":"Previous studies have established a significant link between urban form and sustainability. However, the diversity of micro-scale urban forms in cities in the global south has received limited attention, hindered by the lack of neighbourhood-level spatial data and maps, which poses challenges in exploring micro-urban form features. The study addresses this gap using a grid-based k-means clustering algorithm to identify residential built-up form typologies in Delhi and assess their impact on sustainable urbanisation. The algorithm clusters 100×100 metre grid cells based on their attributes of accessibility, built-up density, and street design. The results show six distinct built-up form typologies in Delhi. However, only 19% of residential areas meet the criteria for sustainable urbanisation, highlighting the need for planning interventions in most areas. The study methodology can be applied to analyse micro-scale urban form features in other cities in the global south, providing a fresh perspective on urbanisation research.","PeriodicalId":74322,"journal":{"name":"npj urban sustainability","volume":" ","pages":"1-13"},"PeriodicalIF":0.0,"publicationDate":"2023-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s42949-023-00112-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42055860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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