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

Siyeon Park, Sugie Lee () and Kyushik Oh
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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

Land, 2024, vol. 13, issue 9, 1-25

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.

Keywords: urban heat island effect; local climate zones; urban microclimate; urban metabolism; semantic segmentation (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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