Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Granger Causality between Thermal Environment and PM10 of Seoul's 25 Districts

서울특별시 25개 자치구의 열환경과 미세먼지 간 Granger 인과관계

  • Youn, Jee Min (Department of Urban Design and Planning, Hongik University) ;
  • Kim, Hyungkyoo (Department of Urban Design and Planning, Hongik University)
  • 연지민 (홍익대학교 도시계획과) ;
  • 김형규 (홍익대학교 도시계획과)
  • Received : 2021.08.19
  • Accepted : 2021.12.15
  • Published : 2022.01.31
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Abstract

Today's cities require deeper understanding of the thermal environment and PM10 as their management becomes more critical. Based on these circumstances, this study investigated the Granger causality between the thermal environment and PM10 of the 25 districts of Seoul, the most populous and urbanized city in Korea. The results of the Granger causality test on the thermal environment and PM10 were classified into 12 types. Except for type 12, the temperature and urban island heat intensity of the other 11 types operated as a Granger-cause to each other in both directions. Temperature operates as a Granger-cause of urban island heat intensity in type 12. The PM10 level and urban pollution island intensity operated as a Granger-cause to each other in all districts. For types 1 and 2, thermal environment operated as a Granger-cause to PM10 in one direction, and type 3-type 12 confirmed that thermal environment and PM10 operated as a Granger-cause in both directions. Findings reveal the intricate causalities between thermal environment and PM10 at the district level and suggest mitigation strategies that are more location based.

Keywords

Acknowledgement

본 연구는 과학기술정보통신부의 재원으로 한국연구재단의 지원(NRF-2020R1F1A1077087)을 받아 수행되었습니다.

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