GSTDTAP  > 气候变化
DOI10.1007/s00382-018-4469-8
Climate warming will not decrease perceived low-temperature extremes in China
Zhu, Jinxin1; Huang, Gordon4; Baetz, Brian2; Wang, Xiuquan3; Cheng, Guanhui4
2019-05-01
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
EISSN1432-0894
出版年2019
卷号52页码:5641-5656
文章类型Article
语种英语
国家Peoples R China; Canada
英文摘要

Temperature-related health metrics are often determined not only by temperatures but also by multiple climate variables. Temperatures compounded by other climate variables are of significant concern in the assessment of climate change impacts on public health. Temperatures, wind speeds and their combined effects are investigated here for a comprehensive study of how measured temperatures, perceived temperature, and their related extremes will change in China under climate change conditions. Future projections of combined temperatures and wind speeds over China are generated through the PRECIS regional climate modeling system. Results indicate that temperatures can increase nearly 6 degrees C over China by the end of the twenty-first century from the baseline period (1976-2005) without considering the wind speed changes. However, by considering the combined effect of temperature and wind speed, the perceived temperatures over China are projected to decrease by 4.8 degrees C relative to the observed values in the baseline period. This unexpected drop in the future perceived temperatures suggests the projected warming is likely to be offset to a large extent by a potential increase in wind speed. This may be related to the RCM's high-resolution making the thermal contrast distribute at finer scales. The mechanism behind this result needs to be further investigated to help understand the related physical processes and the associated uncertainties at regional scales. As for low-temperature extremes, China is projected to experience an apparent decrease in the frequency and duration of extreme cold events in the future compared to the baseline period without considering the combined wind chill effect. Considering the wind chill effect, an opposite trend for extreme cold events is detected, with an increase by 21% in the frequency of temperatures below -20 degrees C.


英文关键词Temperature and extremes Wind chill Dynamical downscaling China RCPs
领域气候变化
收录类别SCI-E
WOS记录号WOS:000465441400031
WOS关键词WIND ; 21ST-CENTURY ; SYSTEM
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/182607
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.McMaster Univ, Dept Civil Engn, Hamilton, ON L8S 4L7, Canada;
3.Univ Prince Edward Isl, Sch Climate Change & Adaptat, Charlottetown, PE C1A 4P3, Canada;
4.Univ Regina, Inst Energy Environm & Sustainabil Communities, Regina, SK S4S 0A2, Canada
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GB/T 7714
Zhu, Jinxin,Huang, Gordon,Baetz, Brian,et al. Climate warming will not decrease perceived low-temperature extremes in China[J]. CLIMATE DYNAMICS,2019,52:5641-5656.
APA Zhu, Jinxin,Huang, Gordon,Baetz, Brian,Wang, Xiuquan,&Cheng, Guanhui.(2019).Climate warming will not decrease perceived low-temperature extremes in China.CLIMATE DYNAMICS,52,5641-5656.
MLA Zhu, Jinxin,et al."Climate warming will not decrease perceived low-temperature extremes in China".CLIMATE DYNAMICS 52(2019):5641-5656.
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