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DOI | 10.1088/1748-9326/ab072e |
Increased population exposure to extreme droughts in China due to 0.5 degrees C of additional warming | |
Chen, Huopo1,2; Sun, Jianqi1,2 | |
2019-06-01 | |
发表期刊 | ENVIRONMENTAL RESEARCH LETTERS
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ISSN | 1748-9326 |
出版年 | 2019 |
卷号 | 14期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Drought, one of the major natural disasters in China, generally causes the largest socioeconomic loss each year and also has severe human health impacts. It is thus crucial to assess the changes in droughts in this region under different climate change scenarios. This study examines the impacts of stabilized 1.5 degrees C and 2.0 degrees C warming at the end of the 21st century on drought events in China by using a set of coupled Earth system model low-warming simulations. If warming is limited to 1.5 degrees C or 2.0 degrees C, these simulations suggest that droughts will become more frequent and more intense compared to the present day, particularly over the northern regions of China. In comparison to the 1.5 degrees C warmer future, the 0.5 degrees C additional warming in the 2.0 degrees C warmer future will account for approximately 9% of the increase in the drought occurrence in China and approximately 8% of extreme droughts, while there are relatively small responses for moderate and severe droughts. Consequently, the additional warming would lead to significantly higher drought impacts, and the population exposure to the extreme droughts is projected to increase by approximately 17%, although the exposure to moderate droughts decreases. Therefore, our results suggest that the mitigation of anthropogenic warming by 0.5 degrees C to achieve the 1.5 degrees C warmer climate instead of the 2.0 degrees C climate may have benefits for future drought risks and impacts. |
英文关键词 | drought population exposure 1.5 degrees C 2.0 degrees C China |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000470888000001 |
WOS关键词 | CLIMATE-CHANGE ; 1.5-DEGREES-C |
WOS类目 | Environmental Sciences ; Meteorology & Atmospheric Sciences |
WOS研究方向 | Environmental Sciences & Ecology ; 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/183754 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, Nansen Zhu Int Res Ctr, Beijing, Peoples R China; 2.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing, Jiangsu, Peoples R China |
推荐引用方式 GB/T 7714 | Chen, Huopo,Sun, Jianqi. Increased population exposure to extreme droughts in China due to 0.5 degrees C of additional warming[J]. ENVIRONMENTAL RESEARCH LETTERS,2019,14(6). |
APA | Chen, Huopo,&Sun, Jianqi.(2019).Increased population exposure to extreme droughts in China due to 0.5 degrees C of additional warming.ENVIRONMENTAL RESEARCH LETTERS,14(6). |
MLA | Chen, Huopo,et al."Increased population exposure to extreme droughts in China due to 0.5 degrees C of additional warming".ENVIRONMENTAL RESEARCH LETTERS 14.6(2019). |
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