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2026 Vol.15, Issue 3 Preview Page

Research Article

Land Cover–Temperature Relationships Across Quantiles of Summer Daily Maximum Temperature in Seoul

서울시의 여름철 분위별 일 최고기온과 토지피복과의 관계

노윤진1†

Yoonjin Ro1†

1고려대학교 미래국토연구소 연구교수
1Research Professor, Institute of Future Land, Korea University
30 September 2026. pp. 523~536
PDF Citation
Abstract
This study examines how conditional relationships between urban land cover types and summer daily maximum temperature vary across temperature quantiles in Seoul. Using three years (2023~2025) of S-DoT (Smart Seoul Data of Things) observations and land cover proportions within 200m buffers around monitoring sites, multivariable quantile regression models were estimated for the 50th, 75th, 90th, and 95th quantiles. Impervious surfaces were significantly and positively associated with daily maximum temperature across all quantiles, with coefficient estimates somewhat larger at the 90th and 95th quantiles than at the 50th and 75th quantiles. Tree cover was significantly and negatively associated across all quantiles, although the absolute magnitude of the coefficient estimates was smaller at the upper quantiles. Water areas showed negative associations across all quantiles, but none were statistically significant, while grass showed significant positive associations across all quantiles. These findings suggest that urban heat management should consider not only average temperature conditions, but also how associations between land cover types and daily maximum temperature differ across quantiles of summer daily maximum temperature.
Keywords
Daily maximum temperature
Land cover
Quantile regression
Extreme heat
Urban thermal environment
본 연구는 서울시를 대상으로 여름철 일 최고기온 분포의 분위별 조건에서 토지피복 유형과 기온 간의 조건부 관련성이 어떠한 양상으로 나타나는지를 분석하였다. 2023~2025년 S-DoT(Smart Seoul Data of Things) 관측자료와 각 관측지점 주변 200m 버퍼 내 토지피복 비율을 결합하고, 일 최고기온 분포의 50%, 75%, 90%, 95% 분위에 대한 분위 회귀분석을 수행하였다. 분석 결과, 불투수면은 모든 분위에서 일 최고기온과 유의한 양(+)의 관련성을 나타냈으며 계수 점추정치는 50%와 75% 분위보다 90%와 95% 분위에서 다소 크게 나타났다. 수목은 모든 분위에서 유의한 음(-)의 관련성을 나타냈으며, 계수 점추정치의 절댓값은 상위 분위에서 작게 나타났다. 수계는 전 분위 음(-)의 관련성을 보였으나 통계적 유의성은 확인되지 않았고, 초지는 전 분위에서 유의한 양(+)의 관련성을 나타냈다. 이러한 결과는 도시 열환경 관리에서 평균적인 기온 조건뿐만 아니라 일 최고기온 분포의 분위에 따라 도시의 다양한 토지피복과 기온 간의 관련성이 상이하게 나타날 수 있음을 함께 고려할 필요성을 시사한다.
키워드
일 최고기온
토지피복
분위 회귀
극한 고온
도시 열환경
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Information
  • Publisher :The Association of Korean Geographers
  • Publisher(Ko) :한국지리학회
  • Journal Title :Journal of the Association of Korean Geographers
  • Journal Title(Ko) :한국지리학회지
  • Volume : 15
  • No :3
  • Pages :523~536
  • DOI :https://doi.org/10.25202/JAKG.15.3.9
Journal Informaiton Journal of the Association of Korean Geographers Journal of the Association of Korean Geographers
Online Submission
  • NRF
  • KISTI Current Status
  • KISTI Cited-by
  • orcid
  • open access
  • ccl
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