Effects of urban parks on residents' expressed happiness before and during the COVID-19 pandemic.
Effects of urban parks on residents' expressed happiness before and during the COVID-19 pandemic.
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COVID-19 大流行之前和期间城市公园对居民幸福感的影响。
DOI：
10.1016/j.landurbplan.2021.104118
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发表时间：
2021-08
影响因子：
9.1
通讯作者：
Zhao, Bing
中科院分区：
文献类型：
--
作者：
Cheng, Yingyi;Zhang, Jinguang;Wei, Wei;Zhao, Bing
COVID-19疫情已影响全球人类健康。在这个前所未有的时代，城市公园对居民的好处已经引起了人们的关注。然而，很少有研究从大数据的角度探讨城市公园对居民表达幸福感的影响，更少有人进一步解读疫情前和疫情期间居民表达幸福感的差异。本研究选取南京市577个城市公园作为研究对象，通过基线回归模型中的9个独立因素，探讨了城市公园对居民幸福感的影响。在新浪微博（中国的Twitter）上抓取了大约60万个带有地理标记的帖子，以获得居民表达的幸福感。结果表明，居民与访问城市公园具有较高的归一化差异植被指数（NDVI）值可能会更快乐;和分区规模的城市公园有最高的正相关居民的幸福感。水的存在，相对密集的人口，较低的地表温度，以及在生活环境中不透水的土地比例较低，与居民的幸福感显着相关。研究期间分为疫情前和疫情期间，我们发现，疫情期间城市公园的NDVI与居民表达的幸福感之间的正相关性比总体结果增加了一半（0. 372 vs. 0. 255），表明COVID-19疫情唤醒了中国居民对高“绿色品质”城市公园的渴望。研究结果可为健康导向的城市公园规划设计提供指导和建议。
The COVID-19 pandemic has impacted human health worldwide. In these unprecedented times, the benefits of urban parks for residents have gained attention. However, few studies have explored the effects of urban parks on residents’ expressed happiness from the perspective of big data, and fewer have further deciphered the disparities between residents’ expressed happiness before and during the pandemic. In this study, we explored the effects of urban parks on residents’ happiness by including nine independent factors in baseline regression models, and chose 577 urban parks in Nanjing City, China, as study sites. Around 600,000 geotagged posts crawled on Sina Weibo (Chinese Twitter) were employed to obtain residents’ expressed happiness. The results demonstrated that residents with access to urban parks with higher normalized differential vegetation index (NDVI) values are likely to be happier; and subdistrict-scale urban parks have the highest positive association with residents’ expressed happiness. The presence of water, relatively dense populations, low land surface temperatures, and a low proportion of impervious land in the living environment were significantly associated with the higher expressed happiness of residents. The research period was divided into before and during the pandemic, and we identified that the positive association between NDVI of urban parks and residents’ expressed happiness increased by one-half during the pandemic period compared to the overall results (0.372 vs. 0.255), indicating that the COVID-19 pandemic awakened Chinese residents’ longing for high “green quality” urban parks. Our findings can provide guidance and recommendations for health-oriented urban park planning and design.
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