Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-18-0479.1 |
Recent Decadal Changes in Heat Waves over China: Drivers and Mechanisms | |
Su, Qin1; Dong, Buwen2 | |
2019-07-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:14页码:4215-4234 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; England |
英文摘要 | Observational analysis indicates significant decadal changes in daytime, nighttime, and compound (both daytime and nighttime) heat waves (HWs) over China across the mid-1990s, featuring a rapid increase in frequency, intensity, and spatial extent. The variations of these observed decadal changes are assessed by the comparison between the present day (PD) of 1994-2011 and the early period (EP) of 1964-81. The compound HWs change most remarkably in all three aspects, with frequency averaged over China in the PD tripling that in the EP and intensity and spatial extent nearly doubling. The daytime and nighttime HWs also change significantly in all three aspects. A set of numerical experiments is used to investigate the drivers and physical processes responsible for the decadal changes of the HWs. Results indicate the predominant role of the anthropogenic forcing, including changes in greenhouse gas (GHG) concentrations and anthropogenic aerosol (AA) emissions in the HW decadal changes. The GHG changes have dominant impacts on the three types of HWs, while the AA changes make significant influences on daytime HWs. The GHG changes increase the frequency, intensity, and spatial extent of the three types of HWs over China both directly via the strengthened greenhouse effect and indirectly via land-atmosphere and circulation feedbacks in which GHG-change-induced warming in sea surface temperature plays an important role. The AA changes decrease the frequency and intensity of daytime HWs over Southeastern China through mainly aerosol-radiation interaction, but increase the frequency and intensity of daytime HWs over Northeastern China through AA-change-induced surface-atmosphere feedbacks and dynamical changes related to weakened East Asian summer monsoon. |
英文关键词 | Anthropogenic effects Decadal variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000472233500002 |
WOS关键词 | ASIAN SUMMER MONSOON ; TEMPERATURE EXTREMES ; GREENHOUSE GASES ; RELATIVE ROLES ; CLIMATE-CHANGE ; HOT EXTREMES ; AEROSOLS ; ATMOSPHERE ; MORTALITY ; IMPACTS |
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/184712 |
专题 | 气候变化 |
作者单位 | 1.Yunnan Univ, Dept Atmospher Sci, Kunming, Yunnan, Peoples R China; 2.Univ Reading, Dept Meteorol, Natl Ctr Atmospher Sci Climate, Reading, Berks, England |
推荐引用方式 GB/T 7714 | Su, Qin,Dong, Buwen. Recent Decadal Changes in Heat Waves over China: Drivers and Mechanisms[J]. JOURNAL OF CLIMATE,2019,32(14):4215-4234. |
APA | Su, Qin,&Dong, Buwen.(2019).Recent Decadal Changes in Heat Waves over China: Drivers and Mechanisms.JOURNAL OF CLIMATE,32(14),4215-4234. |
MLA | Su, Qin,et al."Recent Decadal Changes in Heat Waves over China: Drivers and Mechanisms".JOURNAL OF CLIMATE 32.14(2019):4215-4234. |
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