社会公平视角下深圳公园绿地可达性研究

doi:10.13249/j.cnki.sgs.2022.05.015

Abstract

Abstract:

Park green space, which is important green infrastructure in the city, can provide opportunities for physical exercise, social communication, nature exposure and emergency hedge. Spatially fine-grained evaluation of accessibility to park green space has been limited by data availability. This study fills the research gap by using mobile SDK positioning data in Shenzhen. It uses this data to obtain population distribution; it uses the improved Gaussian two-step floating catchment area method to calculate park green space accessibility of neighborhood scale; it uses open source map API to calculate the travel time of different transportation modes. The accessibility indicators are analyzed by different housing groups: Urban villages, affordable housing and commodity housing. The results show first a social disparity in the accessibility of park green space in Shenzhen. The accessibility of urban villages is good and balanced. Public rental housing and economic and comfortable housing have poor accessibility to neighborhood parks, while the former has high accessibility to urban parks and the latter to natural parks. In addition, the accessibility of talent worker housing is the lowest. Talent housing has high accessibility to neighborhood parks, but poor accessibility to urban parks and natural parks, resulting in low overall accessibility. Third, Transportation mode has great influence on the accessibility to green space. Accessibility by driving among housing groups is nominal, but transit accessibility among them shows significant variation. Based on these findings, our study makes the following suggestions, including 1) improving the presence of neighborhood parks around public rental housing and economic and comfortable housing. 2) prioritizing transit service improvement for low-income residential areas, and 3) changing the planning requirement for green space supply in land development. Our study enriches existing literature by helping readers to understand park green space accessibility from the perspective of social equity in Chinese cities and by establishing a better connection to planning practice with spatially fine-grained data and evaluation indicators.

Key words: park green space, accessibility, two-step floating catchment area method, social differentiation, Shenzhen City

CLC Number:

K901

Huang Jiuju, Lin Yiting, Tao Zhuolin, Yang Jiawen. Evaluation of Park Green Space Accessibility in Shenzhen from the Perspective of Social Equity[J].SCIENTIA GEOGRAPHICA SINICA, 2022, 42(5): 896-906.

Figures/Tables 6

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Table 1

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类型	社区公园	城市公园			自然公园			汇总
类型	步行	步行	公交	驾车	步行	公交	驾车	步行	公交	驾车
1商品房	0.81	9.99	64.70	7.28	22.19	41.53	46.91	32.99	106.23	54.19
2城中村	0.89	9.13	7.79	5.31	41.63	45.08	45.64	51.66	52.86	50.95
3保障房	0.40	10.15	9.05	6.01	49.59	31.66	46.28	60.14	40.71	52.29
①公共租赁住房	0.32	11.61	9.68	6.46	33.66	23.61	49.90	45.59	33.29	56.36
②安居型商品房	0.53	7.75	4.58	5.04	87.23	51.08	40.29	95.51	55.66	45.32
③人才住房	0.85	1.57	46.17	6.20	6.18	5.10	25.78	8.61	51.28	31.99

Evaluation of Park Green Space Accessibility in Shenzhen from the Perspective of Social Equity

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