干旱区生态环境知识资源中心(Arid): The Effects of Thermal-Spatial Behaviours of Land Covers on Urban Heat Islands in Semi-Arid Climates

Arid

DOI	10.3390/su132413824
	The Effects of Thermal-Spatial Behaviours of Land Covers on Urban Heat Islands in Semi-Arid Climates
	Atri, Moein; Nedae-Tousi, Sahar; Shahab, Sina; Solgi, Ebrahim
通讯作者	Shahab, S (corresponding author)，Cardiff Univ, Sch Geog & Planning, Cardiff CF24 2FN, Wales.
来源期刊	SUSTAINABILITY
EISSN	2071-1050
出版年	2021
卷号	13 期号:24
英文摘要	In recent decades, unsustainable urban development stemming from uncontrolled changes in land cover and the accumulation of population and activities have given rise to adverse environmental consequences, such as the formation of urban heat islands (UHIs) and changes in urban microclimates. The formation and intensity of UHIs can be influenced not only by the type of land cover, but also by other factors, such as the spatial patterns of thermal clusters (e.g., dimensions, contiguity, and integration). By emphasising the differences between semi-arid and cold-and-humid climates in terms of the thermal-spatial behaviours of various types of land cover in these climates, this paper aims to assess the behavioural patterns of thermal clusters in Tehran, Iran. To this end, the relationship between the land surface temperature (LST) and the types of land cover is first demonstrated using combined multispectral satellite images taken by Operational Land Imager (OLI), Thermal Infrared Sensor (TIRS) of the Landsat8 and MODIS, and Sentinel satellites to determine LST and land cover. The effects of different behavioural patterns of thermal clusters on the formation of daytime urban heat islands are then analysed through spatial cross-correlation analysis. Lastly, the thermal behaviours of each cluster are separately examined to reveal how their spatial patterns, such as contiguity, affect the intensity and formation of UHI, with the assumption that each point in a contiguous surface may exhibit different thermal behaviours, depending on its distance from the edge or centre. The results of this study show that the daytime UHIs do not occur in the central parts of Tehran, and instead they are created in the surrounding layer, which mostly consists of barren cover. This finding contrasts with previous research conducted regarding cities located in cold-and-humid climates. Our research also finds that the more compact the hot and cool clusters are, the more contiguous they become, which leads to an increase in UHIs. The results suggest that for every 100 pix/km(2) increase, the cluster temperature increases by approximately 0.7-1 degrees C. Additionally, placing cool clusters near or in combination with hot clusters interrupts the effect of the hot clusters, leading to a significant temperature reduction. The paper concludes with recommendations for potential sustainable and context-based solutions to UHI problems in semi-arid climates that relate to the determination of the optimal contiguity distance and land use integration patterns for thermal clusters.
英文关键词	urban heat island land cover thermal-spatial pattern hot and dry climates Tehran
类型	Article
语种	英语
开放获取类型	Green Accepted, gold
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000737325100001
WOS关键词	SURFACE-TEMPERATURE ; USE/LAND COVER ; TIME-SERIES ; IMPACTS ; CITY ; MITIGATION ; INTENSITY ; CHINA ; FORM ; TREE
WOS类目	Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS研究方向	Science & Technology - Other Topics ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/375793
作者单位	[Atri, Moein; Nedae-Tousi, Sahar] Shahid Beheshti Univ, Dept Urban & Reg Planning & Design, Tehran 1983969411, Iran; [Shahab, Sina] Cardiff Univ, Sch Geog & Planning, Cardiff CF24 2FN, Wales; [Solgi, Ebrahim] Griffith Univ, Sch Engn & Built Environm, Brisbane, Qld 4222, Australia
推荐引用方式 GB/T 7714	Atri, Moein,Nedae-Tousi, Sahar,Shahab, Sina,et al. The Effects of Thermal-Spatial Behaviours of Land Covers on Urban Heat Islands in Semi-Arid Climates[J],2021,13(24).
APA	Atri, Moein,Nedae-Tousi, Sahar,Shahab, Sina,&Solgi, Ebrahim.(2021).The Effects of Thermal-Spatial Behaviours of Land Covers on Urban Heat Islands in Semi-Arid Climates.SUSTAINABILITY,13(24).
MLA	Atri, Moein,et al."The Effects of Thermal-Spatial Behaviours of Land Covers on Urban Heat Islands in Semi-Arid Climates".SUSTAINABILITY 13.24(2021).