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Defining and Verifying New Local Climate Zones with Three-Dimensional Built Environments and Urban Metabolism

Author

Listed:
  • Siyeon Park

    (Department of Urban Planning and Engineering, Hanyang University, Seoul 04763, Republic of Korea)

  • Sugie Lee

    (Department of Urban Planning and Engineering, Hanyang University, Seoul 04763, Republic of Korea)

  • Kyushik Oh

    (Department of Urban Planning and Engineering, Hanyang University, Seoul 04763, Republic of Korea)

Abstract

The urban heat island (UHI) effect, where the temperature in an urban area is higher than in the surrounding rural areas, is becoming a major concern. The concept of a Local Climate Zone (LCZ) system was devised to provide an objective framework for UHI research, which allows for a microscale definition of the UHI effect within urban areas by considering ‘urban’ and ‘rural’ as a continuum versus a dichotomy. However, most LCZ types are classified only by surface structure and coverings, which seem irrelevant to climatological and microscale concepts. In addition, microclimate is influenced by urban metabolism related to human activities as well as structural effects, but the LCZ-classification system does not incorporate these functional concepts. Therefore, this study proposes a novel urban-classification system that addresses the limitations of the LCZ concept by quantifying structural and functional elements of the city at the pedestrian level using S-DoT sensors and semantic segmentation techniques. This study holds significance as it suggests a New-LCZ (N-LCZ) system to support the classification framework of highly valid urban types and follow-up studies related to the UHI. Moreover, the N-LCZ offers a regional urban-planning strategy for sustainable development through a more valid classification system.

Suggested Citation

  • Siyeon Park & Sugie Lee & Kyushik Oh, 2024. "Defining and Verifying New Local Climate Zones with Three-Dimensional Built Environments and Urban Metabolism," Land, MDPI, vol. 13(9), pages 1-25, September.
    • Handle: RePEc:gam:jlands:v:13:y:2024:i:9:p:1461-:d:1474302
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    References listed on IDEAS

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    1. Yang, Jiachuan & Wang, Zhi-Hua & Kaloush, Kamil E., 2015. "Environmental impacts of reflective materials: Is high albedo a ‘silver bullet’ for mitigating urban heat island?," Renewable and Sustainable Energy Reviews, Elsevier, vol. 47(C), pages 830-843.
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