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DOI | 10.1007/s00382-019-04871-5 |
Characteristics of summer heat stress in China during 1979-2014: climatology and long-term trends | |
Luo, Ming1,2; Lau, Ngar-Cheung2,3 | |
2019-11-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 53页码:5375-5388 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Heat stress describes the joint effects of high temperature and humidity. It poses severe impacts on public health and socioeconomic activities. However, its characteristics have not been fully investigated. Here we conduct a comprehensive examination of the climatological pattern and long-term trends of summer heat stress occurrences across China during 1979-2014. We find that China experienced severe heat stress conditions, particularly in densely populated and urbanized areas such as North China, the Yangtze River valley, and South China. Heat stress events in all these subregions are accompanied by decreased relative humidity (RH), and suppressed surface pressure and precipitation. Heat stress in China is mainly caused by high temperature, rather than high RH. Moreover, heat stress in most regions of China has increased noticeably during the past decades. Nationwide apparent temperature (AT, or heat index) and temperature (T) have increased by 0.37 and 0.35 degrees C decade(-1), respectively. The yearly frequencies of cautionary, extreme cautionary, and dangerous heat stress days have increased by 0.92, 0.67, and 0.03 days decade(-1), respectively. It is noticed that AT, T, and absolute humidity increase and RH decreases in most parts of China, suggesting that saturated water vapor pressure increases faster than actual water vapor pressure with rising temperature. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000493469900014 |
WOS关键词 | TEMPERATURE EXTREMES ; POTENTIAL EVAPOTRANSPIRATION ; URBANIZATION ; EXPOSURE ; INCREASE ; WAVES ; RICE |
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/187902 |
专题 | 气候变化 |
作者单位 | 1.Sun Yat Sen Univ, Sch Geog & Planning, Guangdong Key Lab Urbanizat & Geosimulat, Guangzhou 510275, Guangdong, Peoples R China; 2.Chinese Univ Hong Kong, Inst Environm Energy & Sustainabil, Sha Tin, Hong Kong, Peoples R China; 3.Chinese Univ Hong Kong, Dept Geog & Resource Management, Sha Tin, Hong Kong, Peoples R China |
推荐引用方式 GB/T 7714 | Luo, Ming,Lau, Ngar-Cheung. Characteristics of summer heat stress in China during 1979-2014: climatology and long-term trends[J]. CLIMATE DYNAMICS,2019,53:5375-5388. |
APA | Luo, Ming,&Lau, Ngar-Cheung.(2019).Characteristics of summer heat stress in China during 1979-2014: climatology and long-term trends.CLIMATE DYNAMICS,53,5375-5388. |
MLA | Luo, Ming,et al."Characteristics of summer heat stress in China during 1979-2014: climatology and long-term trends".CLIMATE DYNAMICS 53(2019):5375-5388. |
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