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2025 Vol.24, Issue 1 Preview Page

Research Article

Correlation Analysis of Soil and Air Temperature on the Urban Heat Island Effect in Large and Small Cities

대도시와 소도시의 도시열섬 효과에 대한 토양 온도와 대기 온도의 상관관계 분석

Ji-Hoon Lee1
,
Chan-Young Yune2*
이 지훈1
,
윤 찬영2*
1Non-Member, Graduate Student, Dept. Smart Infrastructure Pest Control, Gangneung-Wonju National Univ., 7 Jukheon-gil, Gangneung-si, Gangwon-do 25457, Republic of Korea
2Member, Professor, Dept. of Civil and Environmental Engineering, Gangneung-Wonju National Univ., 7 Jukheon-gil, Gangneung-si Gangwon-do, 25457, Republic of Korea
*Corresponding Author
30 March 2025. pp. 15-30
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Abstract

In this study, in order to analyze the urban heat island effect of large and small cities according to city size, soil and air temperature were collected for 53 years from 1970 to 2022. Based on the temperature data, a database of the minimum, maximum, average temperature, and temperature increase rate by underground depth was constructed and the impact of the city size on the heat island phenomenon was identified. As a result of the analysis, the heat island effect was confirmed not only in the air but also in the soil temperature in urban areas, and the short-term and long-term changes in soil temperature were greatly affected by air temperature. In addition, the rate of temperature increase in large cities during both winter and summer was greater than that of small cities, and the difference in the rate of increase in winter was larger than in summer, confirming that the heat island effect in large cities was worsening compared to small cities.

Keywords
Large cities
Small cities
Soil temperature
Air temperature
Urban heat island effect

본 연구에서는 도시 규모에 따른 대도시와 소도시의 도시 열섬효과를 분석하기 위하여 1970년부터 2022년까지 53년간 대도시와 소도시의 깊이별 토양온도와 대기 온도를 조사하고, 최소, 최대, 평균 온도 및 깊이 별 온도 증가율 등의 데이터베이스를 구축하였으며, 구축된 데이터베이스를 기반으로 대도시와 소도시의 도시 규모가 열섬현상에 미치는 영향을 파악하였다. 분석 결과, 도심지에서 대기뿐만 아니라 토양온도에서도 열섬현상을 확인할 수 있었으며, 토양온도의 단기 및 장기 변화는 대기 온도에 의하여 큰 영향을 받는다는 것을 확인하였다. 또한 대도시에서 겨울철과 여름철의 온도상승률이 모두 소도시 대비 크게 나타났으며, 여름보다 겨울에 그 상승률의 차이가 커서 대도시의 열섬현상이 소도시 대비 더욱 심화되고 있다는 것을 확인할 수 있었다.

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Information
  • Publisher :Korean Geosythetics Society
  • Publisher(Ko) :한국지반신소재학회
  • Journal Title :Journal of the Korean Geosynthetics Society
  • Journal Title(Ko) :한국지반신소재학회 논문집
  • Volume : 24
  • No :1
  • Pages :15-30
  • Received Date : 2024-12-20
  • Revised Date : 2025-01-22
  • Accepted Date : 2025-01-30
  • DOI :https://doi.org/10.12814/jkgss.2025.24.1.015
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