Comparison of the Thermal Environment by Local Climate Zones in Summer: A Case Study in Suwon, Republic of Korea

Sangman Jo, Hakyang Kong, Nakhoon Choi, Youngkyu Shin and Sookuk Park ()
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Sangman Jo: Research Institute for Subtropical Agriculture and Animal Biotechnology, SARI, Horticultural Science, College of Applied Life Sciences, Jeju National University, Jeju 63243, Republic of Korea
Hakyang Kong: Natural Environment Research Division, Environmental Resources Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea
Nakhoon Choi: Natural Environment Research Division, Environmental Resources Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea
Youngkyu Shin: Natural Environment Research Division, Environmental Resources Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea
Sookuk Park: Research Institute for Subtropical Agriculture and Animal Biotechnology, SARI, Horticultural Science, College of Applied Life Sciences, Jeju National University, Jeju 63243, Republic of Korea

Sustainability, 2023, vol. 15, issue 3, 1-15

Abstract: The thermal environments of five local climate zones (LCZs) in summer were investigated using all measured microclimatic data collected from 9:00 on 3 August until 15:30 on 4 August, 2017. The physiological equivalent temperature (PET) and universal thermal climate index (UTCI) of the human thermal environment were highest in LCZ E B (paved with scattered trees) and lowest in LCZ 2 B (compact mid-rise with scattered trees) and LCZ 4 (open high-rise) during the daytime, and highest in LCZ 4 and lowest in LCZ D (low plants) during the nighttime. LCZ D and LCZ E B in the park and LCZ 5 (open mid-rise) revealed similar thermal environments, and LCZ 2 B and LCZ 4 showed higher PET and UTCI values for the thermal environment. The maximum mean difference by location was 6.7 °C for PET and 3.7 °C for UTCI during the daytime, a one-level difference in PET and a two-thirds level in UTCI. During the nighttime, the maximum mean difference was 2.3 °C for PET and 1.9 °C for UTCI, a one-third-level difference. Compared to LCZ 2 B , the PET showed a maximum difference of 11 °C and UTCI of 6 °C, showing a difference of two levels for PET and one level for UTCI.

Keywords: local climate zone; thermal comfort; urban area; physiological equivalent temperature (PET); universal thermal climate index (UTCI) (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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