Neighbourhood character affects the spatial extent and magnitude of the functional footprint of urban green infrastructure

Andersson, Erik; Haase, Dagmar; Scheuer, Sebastian; Wellmann, Thilo

doi:10.1007/s10980-020-01039-z

Cited by 27 publications

(15 citation statements)

References 46 publications

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“…Numerous studies use cooling intensity, i.e., the temperature difference between the green space interior and its nearby surroundings, to evaluate the cooling effect of urban green space (Chang et al, 2007;Cao et al, 2010;Kong et al, 2014b). Studies found that urban green space can cool well beyond its own physical boundaries (Upmanis et al, 1998;Cheng et al, 2014;Lin et al, 2015;Andersson et al, 2020). However, few studies quantified how far the cooling effect of urban green space could reach.…”

Section: Introductionmentioning

confidence: 99%

Estimating the Cooling Effect of Pocket Green Space in High Density Urban Areas in Shanghai, China

Wang

et al. 2021

Front. Environ. Sci.

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Recently, pocket green spaces (PGS), i.e., small green spaces, have attracted growing attention for their various ecological and social services. As a crucial part of urban green spaces in high-density urban areas, PGS facilitates recreation and relaxation for neighborhoods and thus improves the livability of cities at the local scale. However, whether and how the PGS cools the urban heat island effect is still unclear. This research was performed in the highly developed areas of the city of Shanghai during hot summer daytime. We applied a set of cooling effect indicators to estimate the cooling extent, cooling intensity, and cooling efficiency of PGS. We further examined whether and how landscape features within and surrounding the PGS influence its cooling effects. The results showed that 90% of PGS are cooler than their surroundings. Among the landscape features, the land surface temperature of PGS logarithmically decreased with its area, and the maximum local cool island intensity and maximum cooling area logarithmically increased with the area of PGS. The vegetation types and their composition within the PGS also influenced their surface temperature and the cooling effect. The PGS dominated by tree-shrub-grass showed the highest cooling efficiency. The surrounding landscape patterns, especially the patch density and the landscape shape index, influence the cooling effect of PGS at both class and landscape levels. These findings add new knowledge on factors influencing the cooling effect of PGS, and provide the biophysical theoretical basis for developing nature-based cooling strategies for urban landscape designers and planners.

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Section: Introductionmentioning

confidence: 99%

Estimating the Cooling Effect of Pocket Green Space in High Density Urban Areas in Shanghai, China

Wang

et al. 2021

Front. Environ. Sci.

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“…It is consequently such areas that could pose a priority for intervention, and by bringing such potential hot spots to the attention of decision-makers, timely and proactive instead of rather reactive adaptation measures might be taken. In the case of heat stress, for instance, greening measures could be implemented for heat adaptation in evolving hot spots with low green space accessibility and thus lack of cooling potential (Andersson et al, 2020;Haase et al, 2019). Similarly, in the case of flooding, the implementation of both structural as well as non-structural (behavioural) flood protection measures may be facilitated.…”

Section: Discussionmentioning

confidence: 99%

A glimpse into the future of exposure and vulnerabilities in cities? Modelling of residential location choice of urban population with random forest

Scheuer¹,

Haase²,

Haase³

et al. 2020

Preprint

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Abstract. Disaster risk is conceived as the interaction of hazard, exposure, and vulnerability. Especially in urban environments, exposure and vulnerability are highly dynamic risk components, both being shaped by a complex and continuous reorganization and redistribution of assets within the urban space, including the residence of urban dwellers. This case study for the city of Leipzig, Germany, proposes an indirect, machine learning-based approach for the prediction of residential choice behaviour to explore how exposure and vulnerabilities are shaped by the residential location choice process. The proposed approach reveals hot spots and cold spots of residential choice for distinct socioeconomic groups exhibiting heterogeneous preferences. We discuss the relationship between observed patterns and disaster risk through the lens of exposure and vulnerability, as well as links to urban planning. Avenues for future research include the operational strengthening of these linkages for more effective disaster risk management.

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“…Additionally, Ikin, et al [51] found that overall bird richness and abundance in small urban parks in Canberra, Australia, had consistently negative responses to increasing residential density. On the other hand, on a landscape scale study assessing how receptive different land uses are to the influence of neighbouring green spaces in Leipzig, Andersson, et al [52] found a statistically significant declining impact of green space on bird species richness outside its boundaries and also that built-up density has a significant impact on the functional footprint of urban green infrastructure; however, they suggested that that, depending on the existence of functional connections, a dense city can provide suitable habitat for specific breeding birds.…”

Section: Biodiversitymentioning

confidence: 99%

Going Green and Going Dense: A Systematic Review of Compatibilities and Conflicts in Urban Research

Madureira

Monteiro

2021

Sustainability

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The dilemma of simultaneously promoting the advantages of urban densification and urban liveability, namely the environmental and social benefits of urban green spaces, has been widely acknowledged in the research literature. This paper aims to provide an overview of the current state of evidence on benefits, conflicts and challenges emerging from fostering both urban densification and urban greening aims. A systematic review following the PRISMA guidelines was conducted. Searches for peer-reviewed papers were conducted in Scopus and Web of Science. Our search yielded an initial 357 papers, which were then further sorted and screened to the 117 manuscripts retained and included in this review. The authors systematized the multiple perspectives in which the interactions between urban densification and urban greening have been explored. Moreover, the results revealed a lack of clear agreement about the existence or not of conflicts emerging from fostering both urban densification and urban greening aims, suggesting that the positive or negative interactions are not absolute but depend on the scale or the context on which the studies are conducted. Further research should explore multiple potential mediating variables (e.g., the mediator effect of scale and context) to deepen our understanding of interactions between density and greening.

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Neighbourhood character affects the spatial extent and magnitude of the functional footprint of urban green infrastructure

Cited by 27 publications

References 46 publications

Estimating the Cooling Effect of Pocket Green Space in High Density Urban Areas in Shanghai, China

Estimating the Cooling Effect of Pocket Green Space in High Density Urban Areas in Shanghai, China

A glimpse into the future of exposure and vulnerabilities in cities? Modelling of residential location choice of urban population with random forest

Going Green and Going Dense: A Systematic Review of Compatibilities and Conflicts in Urban Research

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