期刊
INTERNATIONAL JOURNAL OF CLIMATOLOGY
卷 39, 期 6, 页码 2984-2997出版社
WILEY
DOI: 10.1002/joc.5996
关键词
climate change; heat stress; thermal comfort; urban climate; urbanization
资金
- Early Career Scheme of Research Grants Council of Hong Kong [ECS-24301415]
- Vice Chancellor's Discretionary Fund of The Chinese University of Hong Kong [4930744]
Urbanization and climate change are affecting regional climate; therefore, thermal comfort should be fully understood, especially from a public health perspective. We applied a climate model driven by a combination of land-cover development and two representative concentration pathways (RCP4.5 and RCP8.5) to predict composite climatic adjustments in the Pearl River Delta (PRD) in China. Our findings showed that a 10% increase in urban land cover can cause a 0.11 K increase in surface temperature in PRD, and urban temperature will rise by 0.15-0.21 K because of global climate change alone. We found that urbanization has marginal effects on thermal comfort despite increasing surface temperature in PRD. Moreover, global climate change will increase the frequency at which temperatures exceed critical temperatures reported in the literature and the extreme heat stress level (95th percentile of baseline year). Our findings offer a scientific basis for understanding heat-related health risk and climate change adaptation in urban areas.
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