How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator

Due to the shortage of green space in urban built environments, access to peri-urban parks in the suburbs has been a focus of planning practices to meet increasing resident demands for recreational visits to natural settings. However, accurate approaches to evaluating peri-urban park accessibility a...

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Autores principales:	Jinguang Zhang, Yingyi Cheng, Bing Zhao
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Urbanization Urban periphery Nature-based attractions Park quality Variable catchment Huff-2SFCA model Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/5b61537e21dd40c59d109a6a9cc0fe99
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spelling	oai:doaj.org-article:5b61537e21dd40c59d109a6a9cc0fe992021-12-01T04:40:57ZHow to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator1470-160X10.1016/j.ecolind.2020.107263https://doaj.org/article/5b61537e21dd40c59d109a6a9cc0fe992021-03-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X20312024https://doaj.org/toc/1470-160XDue to the shortage of green space in urban built environments, access to peri-urban parks in the suburbs has been a focus of planning practices to meet increasing resident demands for recreational visits to natural settings. However, accurate approaches to evaluating peri-urban park accessibility and monitoring underserved areas are lacking. In this study, we propose an integrated accessibility index for peri-urban parks that is calculated using an improved Huff-2SFCA (two-step floating catchment area) model that considers the tradeoffs between quality, park size, and travel time. We first propose a peri-urban park quality index and then integrate it into an accessibility assessment. Furthermore, we employ a variable catchment to ensure that the larger and high-quality parks correspond to higher travel time thresholds. To demonstrate the practicality of the integrated index, Nanjing, a rapidly urbanizing Chinese city, was selected as a case study. The results demonstrate that (1) the quality of peri-urban parks is unevenly distributed, with high-quality parks primarily being distributed in western urban suburbs and occupying a total area of approximately 5665 ha; (2) approximately 92% of communities can enjoy peri-urban park services, while high-quality parks are more accessible to residents living in urban centers; and (3) 220 residential communities are identified as underserved areas, and 142 communities are identified as potentially underserved areas due to long travel times and the poor quality or small sizes of accessible parks. The integrated accessibility index can be employed to accurately monitor (potentially) underserved areas and assist decision-makers in formulating effective policies and strategies for improving residential access to peri-urban landscapes.Jinguang ZhangYingyi ChengBing ZhaoElsevierarticleUrbanizationUrban peripheryNature-based attractionsPark qualityVariable catchmentHuff-2SFCA modelEcologyQH540-549.5ENEcological Indicators, Vol 122, Iss , Pp 107263- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Urbanization Urban periphery Nature-based attractions Park quality Variable catchment Huff-2SFCA model Ecology QH540-549.5
spellingShingle	Urbanization Urban periphery Nature-based attractions Park quality Variable catchment Huff-2SFCA model Ecology QH540-549.5 Jinguang Zhang Yingyi Cheng Bing Zhao How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator
description	Due to the shortage of green space in urban built environments, access to peri-urban parks in the suburbs has been a focus of planning practices to meet increasing resident demands for recreational visits to natural settings. However, accurate approaches to evaluating peri-urban park accessibility and monitoring underserved areas are lacking. In this study, we propose an integrated accessibility index for peri-urban parks that is calculated using an improved Huff-2SFCA (two-step floating catchment area) model that considers the tradeoffs between quality, park size, and travel time. We first propose a peri-urban park quality index and then integrate it into an accessibility assessment. Furthermore, we employ a variable catchment to ensure that the larger and high-quality parks correspond to higher travel time thresholds. To demonstrate the practicality of the integrated index, Nanjing, a rapidly urbanizing Chinese city, was selected as a case study. The results demonstrate that (1) the quality of peri-urban parks is unevenly distributed, with high-quality parks primarily being distributed in western urban suburbs and occupying a total area of approximately 5665 ha; (2) approximately 92% of communities can enjoy peri-urban park services, while high-quality parks are more accessible to residents living in urban centers; and (3) 220 residential communities are identified as underserved areas, and 142 communities are identified as potentially underserved areas due to long travel times and the poor quality or small sizes of accessible parks. The integrated accessibility index can be employed to accurately monitor (potentially) underserved areas and assist decision-makers in formulating effective policies and strategies for improving residential access to peri-urban landscapes.
format	article
author	Jinguang Zhang Yingyi Cheng Bing Zhao
author_facet	Jinguang Zhang Yingyi Cheng Bing Zhao
author_sort	Jinguang Zhang
title	How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator
title_short	How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator
title_full	How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator
title_fullStr	How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator
title_full_unstemmed	How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator
title_sort	how to accurately identify the underserved areas of peri-urban parks? an integrated accessibility indicator
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/5b61537e21dd40c59d109a6a9cc0fe99
work_keys_str_mv	AT jinguangzhang howtoaccuratelyidentifytheunderservedareasofperiurbanparksanintegratedaccessibilityindicator AT yingyicheng howtoaccuratelyidentifytheunderservedareasofperiurbanparksanintegratedaccessibilityindicator AT bingzhao howtoaccuratelyidentifytheunderservedareasofperiurbanparksanintegratedaccessibilityindicator
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How to accurately identify the underserved areas of peri-urban parks? An integrated accessibility indicator

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