Measuring spatial disparity in accessibility with a multi-mode method based on park green spaces classification in Wuhan, China

Xing, Lijun; Liu, Yanfang; Liu, Xingjian

doi:10.1016/j.apgeog.2018.03.014

Cited by 111 publications

(90 citation statements)

References 49 publications

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“…There are only a few empirical studies focusing on the issue of environmental justice in developing countries like China, but many of them paid much attention to coastal metropolitan cities like Beijing, Shanghai, and Shenzhen (21)(22)(23). The case study of inland cities helps to enrich the existing empirical findings (24). Second, Wuhan is undergoing rapid economic growth with a nominal growth rate of GDP in 2018 arriving at 10.72%.…”

Section: Data Descriptionmentioning

confidence: 99%

Characterizing Horizontal and Vertical Perspectives of Spatial Equity for Various Urban Green Spaces: A Case Study of Wuhan, China

Wang

2020

Front. Public Health

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Section: Data Descriptionmentioning

confidence: 99%

Characterizing Horizontal and Vertical Perspectives of Spatial Equity for Various Urban Green Spaces: A Case Study of Wuhan, China

Wang

2020

Front. Public Health

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“…The G2SFCA model, which was first proposed by Dai [30] and later used by many researchers to evaluate park accessibility [33][34][35]44,45], is an extension of the traditional model [31] that modifies the distance-decay function based on a threshold travel time. The method is implemented using a two-step procedure.…”

Section: Gaussian-based 2sfca Modelmentioning

confidence: 99%

“…The coefficient S j represents the capacity of urban parks and refers to a park's quality and attractiveness. Most equity studies on urban parks have used the 2SFCA method to calculate accessibility by summing the attraction coefficient S j , which considers only park sizes in the first step [35]. In addition to determining the size of green spaces, an environmental audit of factors such as tree coverage, picnic areas, accessible water bodies, and benches is necessary to describe urban parks.…”

Section: Enhanced Coefficient S Jmentioning

confidence: 99%

“…Subsequently, Dony et al developed a variable-width floating catchment area (VFCA) method to address the fixed catchment problem, by incorporating catchment areas of varying sizes [34]. Xing et al used a multimodal method to evaluate spatial disparities in park accessibility, assuming that residents' travel mode choice was based on having multiple transportation options to solve the fixed catchment problem [35]. To date, little attention has been devoted to a comprehensive supply indicator, thus causing integration of park quality and attractiveness indicators, especially those that are easily available and quantifiable, to be neglected.…”

Section: Introductionmentioning

confidence: 99%

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Evaluating Spatial Disparity of Access to Public Parks in Gated and Open Communities with an Improved G2SFCA Model

et al. 2019

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A major concern of social equity and environmental justice is whether urban green resources are equitably distributed across the compact megacities of China. Many previous studies have evaluated the disparities in park access among various social groups, but few researchers have considered the heterogeneity of the built environment in residential communities. This study revisits an increasingly popular Gaussian-two-step floating catchment area (G2SFCA) model and mainly improves its two core parameters, the comprehensive supply indicator and variable catchment, in order to realistically evaluate park accessibility under different travel modes. We choose Nanjing city, China, as the study case in which to evaluate differences in public park access with respect to gated and open communities using our improved model. Moreover, gated communities have been further divided into three categories, which represent differences in a community's ability to provide daily physical activities, to more deeply explore disparities in public park services. The results show that (1) the spatial accessibility of parks in Nanjing city is not evenly distributed, with communities located north of the Yangtze River having inferior park accessibility; (2) residents who live in open communities are more restricted with regard to access to parks than those in gated communities, although they experience relatively small differences under the walking mode; (3) gated communities with no internal park ("club park") enjoy better public park services; and (4) residents living in 105 open communities and 167 gated communities without a club park can be regarded as the most vulnerable groups based on the lack of park services. The results of this study can provide a scientific basis for policy makers to target specific communities of vulnerable groups for further urban park development. and urban parks play a significant role in promoting people's well-being. However, these benefits can be enjoyed only when urban parks are easily and reasonably accessible to urban dwellers and have sufficient effective activity area and amenities. In addition, urban parks are often unevenly distributed across cities, which raises issues such as environmental justice. Therefore, accurately assessing park accessibility is important to identify spatial disparities and locations that require intervention.Access to parks is influenced by many objective factors (also called spatial factors) that can be interpreted on the basis of three main aspects: supply, demand, and the connection between them. Supply may include, but is not limited to park acreage and park quality [9]. Demand refers to population size and structure, such as the presence of children, senior citizens, and racial and religious groups [10]. Regarding the connection among these spatial factors in terms of issues such as geographic barriers, substantial evidence suggests that proximity, the physical road environment, and transport modes [11,12] from residential districts to parks are closely associated with ...

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“…It can be defined as the potential opportunities for interaction (Hansen, 1959). The literature points out a considerable number of definitions and components (Geurs & van Wee, 2004); reviews of indicators (Páez et al, 2012;van Wee, 2016); investigation about the changes in the accessibility level over the years (Foth et al, 2013); methods to explore different accessibility levels (Wang, 2018;Xing et al, 2018); identification of the current consideration related to objectives and measures in transportation plans (Boisjoly & El-Geneidy, 2017a) and how this is perceived by practitioners (Boisjoly & El-Geneidy, 2017b).…”

Section: Introductionmentioning

confidence: 99%

Learning about spatial inequalities: Capturing the heterogeneity in the urban environment

Siqueira-Gay

Giannotti

Sester

2019

Journal of Cleaner Production

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Highlights-A multidimensional approach evidence different level of inequalities distribution -Groups with diverse socioeconomic condition of accessibility to services are mapped -Spatial inequalities of a global south megacity São Paulo (Brazil) are explored -Low income groups have low accessibility mainly to hospitals and culture centers -A heterogeneous condition of accessibility and income in the periphery is captured Graphical abstract 3 LEARNING ABOUT SPATIAL INEQUALITIES: CAPTURING THE HETEROGENEITY IN THE URBAN ENVIRONMENT ABSTRACT Transportation systems can be conceptualized as an instrument of spreading people and resources over the territory, playing an important role in developing sustainable cities. The current rationale of transport provision is based on population demand, disregarding land use and socioeconomic information. To meet the challenge to promote a more equitable resource distribution, this work aims at identifying and describing patterns of urban services supply, their accessibility, and household income. By using a multidimensional approach, the spatial inequalities of a large city of the global south reveal that the low-income population has low access mainly to hospitals and cultural centers. A low-income group presents an intermediate level of accessibility to public schools and sports centers, evidencing the diverse condition of citizens in the peripheries.These complex outcomes generated by the interaction of land use and public transportation emphasize the importance of comprehensive methodological approaches to support decisions of urban projects, plans and programs. Reducing spatial inequalities, especially providing services for deprived groups, is fundamental to promote the sustainable use of resources and optimize the daily commuting.

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Measuring spatial disparity in accessibility with a multi-mode method based on park green spaces classification in Wuhan, China

Cited by 111 publications

References 49 publications

Characterizing Horizontal and Vertical Perspectives of Spatial Equity for Various Urban Green Spaces: A Case Study of Wuhan, China

Characterizing Horizontal and Vertical Perspectives of Spatial Equity for Various Urban Green Spaces: A Case Study of Wuhan, China

Evaluating Spatial Disparity of Access to Public Parks in Gated and Open Communities with an Improved G2SFCA Model

Learning about spatial inequalities: Capturing the heterogeneity in the urban environment

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