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A Fundamental Study for Urban Canopy Layer Analysis and Application: Focusing on Seoul Metropolitan Area Urban Weather Service Domain

Seung Man An 1 Do-Hyoung Kim 2 Seon-Ok Hong 3 Byon Jae-Yong 4

1국토연구원 주택토지연구본부
2국립기상과학원 응용기상연구과
3국립기상과학원
4국립기상연구소 응용기상연구과

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ABSTRACT

The purpose of this study is to perform Seoul Metropolitan Area (SMA) urban weather service domain building cluster analysis in the urban canopy modelling framework and to develop urban building cluster management application. Major results show SMA urban weather service model domain(7,114㎢) covers 7% of the national territory, 1/5 buildings in the nation located, which has 1/3 of the national building total volume area. We found a relation between urban canopy parameters (UCPs) with land use zone type and urban temperature such as LST. Quantile 5 class roughness length group mean LST showed a gradual increase as building clusters become higher but most high group showed about 0.5℃ decreased value. In addition, we found South-North directional frontal area fraction shows 10 % higher value than East-West, which is mainly due to the unique Korean apartment culture and residential preference. Building cluster study is important for major urban issues such as climate change adaptation, air quality, revitalization, green new deal, smart eco-city. Hence, as a further project, we propose building cluster-based vertical information (indicator) development and monitoring development study should follow.

Citation status

* References for papers published after 2023 are currently being built.