Joint effects of air PM 2.5 and socioeconomic dimensions on posted emotions of urban green space visitors in cities experiencing population urbanization: A pilot study on 50 cities of East China.

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  • Additional Information
    • Source:
      Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0330500 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1026 (Electronic) Linking ISSN: 00489697 NLM ISO Abbreviation: Sci Total Environ Subsets: MEDLINE
    • Publication Information:
      Original Publication: Amsterdam, Elsevier.
    • Subject Terms:
      Air Pollutants*/analysis ; Air Pollution*/analysis; Humans ; Cities ; Urbanization ; Particulate Matter/analysis ; Pilot Projects ; Parks, Recreational ; Environmental Monitoring/methods ; China ; Socioeconomic Factors ; Emotions
    • Abstract:
      People may perceive and expose negative sentiments in days with PM 2.5 pollutions, but evidence is still insufficient about the joint effects of PM 2.5 and socioeconomic factors on human sentiments. In this study, a total of 8032 facial photos of urban green space visitors were obtained from Sina Weibo in 50 cities of East China and rated for happy, sad, neutral scores and net positive emotion index (NPE; happy minus sad). Seasonal air PM 2.5 concentrations were collected from days when people exposed faces in cities that were categorized to medium, large, outsize, and mega sizes according to resident populations (RPs). In summer, people posted lower sad score (11.28 %) than in winter (13.51 %; P = 0.0357) and higher NPE (35.86 %) than in autumn (30.92 %; P = 0.0009). Multivariate linear regression on natural logarithms revealed that factors of gross domestic product per capita (parameter estimate: 0.45), RP (0.59), non-production electricity consumption (0.34), and length of road transport (0.34) together generated positive contributions to posted happy score, while the total retail trade of consumer goods (-1.25) and PM 2.5 (-0.50) were perceived as joint depressors on NPE. Overall, cities with more rich households and activated retail sales attracted more people who exposed smiles in weathers with PM 2.5 compared to cities where local economy is reliable on heavy industry. The summertime in mega cities will be recommended to enjoy a higher frequency to perceive satisfaction due to exposure to low PM 2.5 .
      Competing Interests: Declaration of competing interest Authors declare no conflict of interest.
      (Copyright © 2022 Elsevier B.V. All rights reserved.)
    • Contributed Indexing:
      Keywords: Emotional perception; Facial expression; Haze pollution; PM(2.5); Population urbanization; Social network
    • Accession Number:
      0 (Air Pollutants)
      0 (Particulate Matter)
    • Publication Date:
      Date Created: 20221202 Date Completed: 20230116 Latest Revision: 20230116
    • Publication Date:
      20240829
    • Accession Number:
      10.1016/j.scitotenv.2022.160607
    • Accession Number:
      36460101