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Landsat 영상을 활용한 주거환경의 시공간 열적 특성에 관한 연구 - 정저우(鄭州)시 시할구를 대상으로
당뢰(Dang, Lei),류창(Liu, Chang),강문구(Kang, Moongoo),김수봉(Kim, Soobong) 한국주거학회 2023 한국주거학회 학술대회논문집 Vol.35 No.2
As urbanization progresses rapidly, the urban heat island phenomenon in cities is intensifying, resulting in adverse effects on the urban ecology and the health of residents. This study utilizes Landsat 8 satellite data to conduct a comparative analysis of the spatiotemporal variations in the urban heat island phenomenon in the main urban area of Zhengzhou City in 2012 and 2022. The findings indicate that the surface temperature in the main urban area of Zhengzhou exhibits a spatial distribution with cooler temperatures in the north and warmer temperatures in the south. In comparison to 2012, the highest, lowest, and average surface temperatures in 2022 have increased by 7.52°C, 3.09°C, and 4.01°C, respectively. Furthermore, the urban heat island phenomenon in the main urban area of Zhengzhou City has shown a trend of shrinking and becoming more multi-centered. The strongly heated areas in 2022 have decreased compared to 2012, while the areas with moderate heating and normal temperatures have significantly expanded. The outcomes of this study can serve as fundamental data for identifying urban heat island issues and optimizing the urban residential heat environment in urban planning.
저출산·저성장 시대의 한·중 도시 축소 연구 동향 고찰
류창(Liu, Chang),당뢰(Dang, Lei),강문구(Kang, Moongoo),김수봉(Kim, Soobong) 한국주거학회 2023 한국주거학회 학술대회논문집 Vol.35 No.2
Urbanization in South Korea and China has experienced a rapid development process. However, due to factors such as population decline, aging, and industrial relocation, urban shrinkage has occurred in some cities and regions. Therefore, the academic circles of the two countries have carried out a series of research on the theme of urban shrinkage and achieved certain results. However, due to different national conditions, there are also differences in the research content and results of the two. This article summarizes the existing research results on urban shrinkage in South Korea and China, and proposes a future research framework on urban shrinkage, providing a directional reference for future research on related topics.