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An Exploration of the Association Between Residents’ Sentiments and Street Functions During Heat Waves—Taking the Five Core Urban Areas of Chengdu City as an Example

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  • Tianrui Hua

    (School of Architecture, Southwest Jiaotong University, Chengdu 610032, China)

  • Yufei Ru

    (School of Architecture, Southwest Jiaotong University, Chengdu 610032, China)

  • Sining Zhang

    (School of Architecture, Southwest Jiaotong University, Chengdu 610032, China)

  • Shixian Luo

    (School of Architecture, Southwest Jiaotong University, Chengdu 610032, China)

Abstract

Due to global warming, the impact of heat waves on the sentimental health of urban residents has significantly intensified. However, the associative mechanism between diverse urban functional layouts and residents’ emotions at the street scale remains underexplored. Taking the five core urban areas of Chengdu as an example, this study used natural language processing technology to quantify the sentiments in social media texts and combined traditional geographical information for spatial analysis and correlation analysis, to explore the spatial distribution pattern of sentiments during heat waves (SDHW), as well as the correlation between SDHW and the functional categories of streets (FCS). The findings are as follows: (1) There are significant differences in the spatial distribution pattern of residents’ sentiments in the five core urban areas, and positive emotions within the Second Ring Road exhibit a higher proportion than those of peripheral areas, while negative sentiments are more gathered in the eastern area. (2) The street categories of green space, park, and public show a significant promoting role on residents’ positive sentiments. (3) There is an association between the industrial and commercial categories and negative sentiments, and the impact of the traffic category on residents’ sentiments shows spatial differences. (4) The combination of the residential category and other functional categories has a strong correlation with sentiments, indicating that a reasonable functional combination within residential areas plays a crucial role in promoting residents’ positive sentiments. The current study revealed the influence mechanism of the functional categories of streets on residents’ sentiments during heat waves, providing a scientific basis from the sentimental dimension for the optimization of street functional categories, heat wave emergency management, and the construction of resilient cities.

Suggested Citation

  • Tianrui Hua & Yufei Ru & Sining Zhang & Shixian Luo, 2025. "An Exploration of the Association Between Residents’ Sentiments and Street Functions During Heat Waves—Taking the Five Core Urban Areas of Chengdu City as an Example," Land, MDPI, vol. 14(7), pages 1-24, June.
    • Handle: RePEc:gam:jlands:v:14:y:2025:i:7:p:1377-:d:1691321
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    References listed on IDEAS

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    1. Wen Zhong & Jian Suo & Xinxin Ren & Guopeng Li, 2021. "The Influence of Emotional Health on the Activity Characteristics of the Elderly and the Selection of Environmental Quality Factors in Residential Areas," IJERPH, MDPI, vol. 18(23), pages 1-18, November.
    2. Ramakrishnan, Sayanthan & Wang, Xiaoming & Sanjayan, Jay & Wilson, John, 2017. "Thermal performance of buildings integrated with phase change materials to reduce heat stress risks during extreme heatwave events," Applied Energy, Elsevier, vol. 194(C), pages 410-421.
    3. Baylis, Patrick, 2020. "Temperature and temperament: Evidence from Twitter," Journal of Public Economics, Elsevier, vol. 184(C).
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