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The higher, the cooler? Effects of building height on land surface temperatures in residential areas of Beijing
Zheng, Zhong; Zhou, Weiqi; Yan, Jingli; Qian, Yuguo; Wang, Jia; Li, Weifeng
2019-04
Source PublicationPHYSICS AND CHEMISTRY OF THE EARTH
ISSN1474-7065
Volume110Pages:149-156
AbstractNumerous studies have showed that landscape composition and configuration can significantly affect land surface temperature (LST). Most of these studies focus on the horizontal dimension of landscape structure. Few studies, however, have explored the effects of vertical dimension of urban landscape. This study aims to fill this gap. We focused on the residential landscapes in the central area of Beijing, and quantified the relationships between the vertical structure of buildings and LST. We delineated the boundaries of residential neighborhoods based on high resolution imagery, which were latterly used as the unit of statistical analysis. Building height, and proportional cover of buildings and vegetation were also mapped from high resolution imagery, with aid of digital maps. LST was retrieved from thermal band of TM imagery. We used Pearson correlation, partial correlation and ordinary least squares(OLS) regressions to quantify the relationships between these variables and LST. We found: 1) Land surface temperature varied greatly among residential neighborhoods, ranging from 53.5 degrees C to 37.0 degrees C, with a mean of 44.2 degrees C and a standard deviation of 2.4 degrees C. High-rise residential neighborhoods had the lowest LST, and mean LST decreased from low-rise to high-rise residential neighborhoods. 2) Building height, building density and vegetation coverage were all significantly correlated with LST. Building height and vegetation coverage has significantly negative effects on LST, but building density had a significantly positive one. 3) Among these variables, building height had greater impact on LST than the other two variables. These results have important implications for urban design and management.
Department城市与区域生态国家重点实验室
KeywordUHI Land surface temperature Vertical structure Building height Building density Beijing
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42818
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Zhong,Zhou, Weiqi,Yan, Jingli,et al. The higher, the cooler? Effects of building height on land surface temperatures in residential areas of Beijing[J]. PHYSICS AND CHEMISTRY OF THE EARTH,2019,110:149-156.
APA Zheng, Zhong,Zhou, Weiqi,Yan, Jingli,Qian, Yuguo,Wang, Jia,&Li, Weifeng.(2019).The higher, the cooler? Effects of building height on land surface temperatures in residential areas of Beijing.PHYSICS AND CHEMISTRY OF THE EARTH,110,149-156.
MLA Zheng, Zhong,et al."The higher, the cooler? Effects of building height on land surface temperatures in residential areas of Beijing".PHYSICS AND CHEMISTRY OF THE EARTH 110(2019):149-156.
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