GSTDTAP  > 气候变化
DOI10.1007/s00382-019-04994-9
Amplified or exaggerated changes in perceived temperature extremes under global warming
Wang, Shuo1,2; Zhu, Jinxin1
2019-10-11
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
EISSN1432-0894
出版年2019
文章类型Article;Early Access
语种英语
国家Peoples R China
英文摘要

The perceived temperature has been changing rapidly under global warming, and its related extremes have significant impacts on labor productivity and human health. Although numerous thermal indices have been developed to quantify the perceived temperature, impact assessments have not been conducted comprehensively. The lack of exploring the nonlinearity and linearity inherent in thermal indices will lead to biased conclusions. We conduct a comprehensive investigation of 161 indices to create an ensemble of selected thermal indices that represent the linear and nonlinear relationships of climatic conditions and quantify the changes in the perceived temperature and related extremes. Here we find that the increase in the mean perceived temperature can be strongly exaggerated by using nonlinear indices or linear indices that only consider the combined effect of high temperature and humidity. Wind speed incorporated into the schemes of linear indices can largely offset the increase in the perceived temperature induced by the high relative humidity. These two divergent changes can be further enhanced in future exposure to heat stress. Furthermore, our findings reveal an amplification of heatwave durations induced by the combined effects of multiple variables for all thermal indices. Such an amplification leads to a cascade of relatively short-duration heatwaves evolving into super long-lasting heatwaves which are particularly pronounced over low-latitude areas.


英文关键词Perceived temperature extremes RCPs Climate change Environmental health
领域气候变化
收录类别SCI-E
WOS记录号WOS:000492455200001
WOS关键词HEAT ; ADAPTATION ; MORTALITY ; CONSEQUENCES ; PROJECTIONS ; PATTERNS ; HEALTH ; CMIP5
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/187622
专题气候变化
作者单位1.Hong Kong Polytech Univ, Dept Land Surveying & Geoinformat, Hong Kong, Peoples R China;
2.Hong Kong Polytech Univ, Shenzhen Res Inst, Shenzhen, Peoples R China
推荐引用方式
GB/T 7714
Wang, Shuo,Zhu, Jinxin. Amplified or exaggerated changes in perceived temperature extremes under global warming[J]. CLIMATE DYNAMICS,2019.
APA Wang, Shuo,&Zhu, Jinxin.(2019).Amplified or exaggerated changes in perceived temperature extremes under global warming.CLIMATE DYNAMICS.
MLA Wang, Shuo,et al."Amplified or exaggerated changes in perceived temperature extremes under global warming".CLIMATE DYNAMICS (2019).
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