Effects of the urban landscape on heatwave-mortality associations in Hong Kong:comparison of different heatwave definitions

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外文摘要：Despite increased attention given to potential modifiers of temperature-mortality associations,evidence for variations between different urban landscape characteristics remains limited.It is in this context that in this paper effect modifications of multiple urban landscape characteristics are explored under different heatwave definitions for different age groups and gender in Hong Kong,China.Daily meteorological data and heatwave-related mortality counts from 2008 to 2017 were collected from the Hong Kong Census and Statistics Department,China.A case-only design was adopted,combined with logistic regression models to examine the modification effects of five urban landscape characteristics under six heatwave definitions.Stratified analyses were conducted to investigate age-and gender-specific effect modifications.It is found that individuals living in greener areas experienced lower levels of mortality during or immediately after heatwaves.In contrast,a higher building density and nighttime land surface temperature(LST)were associated with a higher heatwave-related mortality risk.Pronounced effect modifications of these urban landscape characteristics were observed under hotter and longer heatwaves,and in older adults(age ≥ 65 years)and males.The findings provide a scientific basis for policymakers and practitioners when considering measures for coping with hotter,longer,and more frequent heatwaves in the context of global climate change.

外文关键词：

Urban landscapeHeatwaveMortalityEffect modificationIntra-urban differencesHealth risk reduction

作者：

Jinglu Song、Yi Lu、Thomas Fischer、Kejia Hu

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作者单位：

Department of Urban Planning and Design,Xi'an Jiaotong-Liverpool University,Suzhou 215123,China

Department of Architecture and Civil Engineering,City University of Hong Kong,Kowloon Tong,Hong Kong 999077,China

Environmental Assessment and Management Research Centre,School of Environmental Sciences,University of Liverpool,Liverpool L3 5TR,UK

Research Unit for Environmental Sciences and Management,Faculty of Natural and Agricultural Sciences,North West University,Potchefstroom 31750,South Africa

Institute of Big Data in Health Science,School of Public Health,Zhejiang University,Zijingang Campus,Hangzhou 310058,China

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基金：

国家自然科学基金国家自然科学基金General Research Project Fund of Hong Kong Research Grants Council(Hong Kong,China)Key Program Special Fund(China)Research Development Fund(China)浙江省自然科学基金

项目编号：

420074214200101311207520KSF-E-43RDF-19-02-13Y23D050006

出版年：

2024

DOI：

10.1007/s11783-024-1771-z

环境科学与工程前沿

高等教育出版社

环境科学与工程前沿

影响因子：0.545

ISSN：2095-2201

年,卷(期)：2024.18(1)

参考文献量83