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Effects of Landscape Patterns on the Concentration and Recovery Time of PM 2.5 in South Korea

Author

Listed:
  • Sungsoo Yoon

    (Ecological Information Team, National Institute of Ecology, 1210 Geumgang-ro, Seocheon-gun 33657, Republic of Korea)

  • Youngdae Heo

    (AI Platform Team, Data and AI Division, JOBKOREA, 74 Seochodae-ro, Seocho-gu, Seoul 06620, Republic of Korea)

  • Chan-Ryul Park

    (Urban Forests Division, National Institute of Forest Science, 57 Hoegi-ro, Dongdaemun-gu, Seoul 02455, Republic of Korea)

  • Wanmo Kang

    (Department of Forest Environment and Systems, College of Science and Technology, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 02707, Republic of Korea)

Abstract

Landscape and urban planning efforts aimed at mitigating the risk of PM 2.5 exposure have been hindered by the difficulties in identifying the effects of landscape factors on air pollutants. To identify interactions between PM 2.5 and landscape elements, this study explored the contributions of landscape variables at multiple scales to the mean hourly PM 2.5 concentration and the duration of high PM 2.5 levels in South Korea. We found that the hourly mean PM 2.5 concentration was significantly correlated with landscape variables that explained the spatial processes contributing to fluctuations in air pollutants on a regional level while controlling the spatial autocorrelation of regression residuals. On the other hand, a constant, high PM 2.5 level was related to landscape patterns that explained relatively independent spatial processes on local levels; these processes include vegetation’s ability to reduce PM 2.5 dispersion rates and the influence of transient human activities in local buildings or heavy traffic on roadways on the emission of air pollutants. Our results highlight that urban planners looking to establish design priorities and leverage landscape factors that could reduce the negative impact of PM 2.5 on citizens’ health should consider both the more general PM 2.5 patterns that exist at regional levels as well as local fluctuations in PM 2.5 .

Suggested Citation

  • Sungsoo Yoon & Youngdae Heo & Chan-Ryul Park & Wanmo Kang, 2022. "Effects of Landscape Patterns on the Concentration and Recovery Time of PM 2.5 in South Korea," Land, MDPI, vol. 11(12), pages 1-13, December.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:12:p:2176-:d:990000
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    References listed on IDEAS

    as
    1. Sungsoo Yoon & Youngjoo Moon & Jinah Jeong & Chan-Ryul Park & Wanmo Kang, 2021. "A Network-Based Approach for Reducing Pedestrian Exposure to PM 2.5 Induced by Road Traffic in Seoul," Land, MDPI, vol. 10(10), pages 1-14, October.
    2. Marquet, Oriol & Miralles-Guasch, Carme, 2015. "Neighbourhood vitality and physical activity among the elderly: The role of walkable environments on active ageing in Barcelona, Spain," Social Science & Medicine, Elsevier, vol. 135(C), pages 24-30.
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