干旱区生态环境知识资源中心(Arid): Investigating the urban heat and cool island effects during extreme heat events in high-density cities: A case study of Hong Kong from 2000 to 2018

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DOI	10.1002/joc.7222
	Investigating the urban heat and cool island effects during extreme heat events in high-density cities: A case study of Hong Kong from 2000 to 2018
	Ren, Chao; Wang, Kai; Shi, Yuan; Kwok, Yu Ting; Morakinyo, Tobi Eniolu; Lee, Tsz-cheung; Li, Yuguo
通讯作者	Wang, K (corresponding author), UCL, Dept Civil Environm & Geomat Engn, London, England.
来源期刊	INTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN	0899-8418
EISSN	1097-0088
出版年	2021-06
英文摘要	Urban heat island (UHI) and cool island (UCI) effects are well-known and prevalent in cities worldwide. An increasing trend of extreme heat events has been observed over the last few decades and is expected to continue in the foreseeable future. In this study, warm periods (May to September) of 2000-2018 were examined to acquire a comprehensive understanding of the UHI and UCI characteristics for the case study of Hong Kong, China. Twenty-two weather stations in Hong Kong were classified into four categories, namely urban, urban oasis, suburban, and rural, with reference to the local climate zone (LCZ) scheme, to analyze UHI and UCI phenomena during extreme heat and non-extreme heat situations. One representative type of extreme heat events was considered in this study: three consecutive hot nights with two very hot days in between (2D3N). Results show that both the UHI and UCI effects are exacerbated during extreme heat events. Using the concept of the UHI degree hours (UHIdh) and UCI degree hours (UCIdh), their spatial patterns in Hong Kong during extreme heat and non-extreme heat situations were mapped based on multiple linear regression models. It is found that the predictor variable - windward/leeward index is a significant influential factor of both UHIdh and UCIdh during extreme heat events. The resulting UHIdh and UCIdh maps not only enhance our understanding on the spatial pattern and characteristics of the UHI and UCI during extreme heat events, but could also serve as a useful reference in climate change adaptation, heat-health risk detection, cooling-energy estimation and policy making.
英文关键词	extreme heat events heat waves high-density cities observational weather data urban cool island urban heat island
类型	Article ; Early Access
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000656647900001
WOS关键词	LOCAL CLIMATE ZONES ; LAND-USE ; AIR-TEMPERATURE ; IMPACT ; WAVES ; CITY ; INTENSITY ; MELBOURNE ; WEATHER ; PATTERN
WOS类目	Meteorology & Atmospheric Sciences
WOS研究方向	Meteorology & Atmospheric Sciences
来源机构	University of London
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/352244
作者单位	[Ren, Chao] Univ Hong Kong, Fac Architecture, Pokfulam, Hong Kong, Peoples R China; [Wang, Kai] UCL, Dept Civil Environm & Geomat Engn, London, England; [Shi, Yuan] Chinese Univ Hong Kong, Inst Future Cities, Shatin, Hong Kong, Peoples R China; [Kwok, Yu Ting] Chinese Univ Hong Kong, Sch Architecture, Shatin, Hong Kong, Peoples R China; [Morakinyo, Tobi Eniolu] Univ Coll Dublin, Sch Geog, Dublin, Ireland; [Lee, Tsz-cheung] Hong Kong Observ, Hong Kong, Peoples R China; [Li, Yuguo] Univ Hong Kong, Dept Mech Engn, Pokfulam, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Ren, Chao,Wang, Kai,Shi, Yuan,et al. Investigating the urban heat and cool island effects during extreme heat events in high-density cities: A case study of Hong Kong from 2000 to 2018[J]. University of London,2021.
APA	Ren, Chao.,Wang, Kai.,Shi, Yuan.,Kwok, Yu Ting.,Morakinyo, Tobi Eniolu.,...&Li, Yuguo.(2021).Investigating the urban heat and cool island effects during extreme heat events in high-density cities: A case study of Hong Kong from 2000 to 2018.INTERNATIONAL JOURNAL OF CLIMATOLOGY.
MLA	Ren, Chao,et al."Investigating the urban heat and cool island effects during extreme heat events in high-density cities: A case study of Hong Kong from 2000 to 2018".INTERNATIONAL JOURNAL OF CLIMATOLOGY (2021).