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Impacts of Global Climate Warming on Meteorological and Hydrological Droughts and Their Propagations

文献类型：期刊论文

作者Wu, Guiyang1; Chen, Jie1,2; Shi, Xinyan1; Jong-Suk Kim1,2; Xia, Jun1,2,3; Zhang, Liping1,2
刊名EARTHS FUTURE
出版日期2022-03-01
卷号10期号:3页码:24
关键词drought propagation meteorological drought hydrological drought global warming climate change hydrological models
DOI10.1029/2021EF002542
通讯作者Chen, Jie(jiechen@whu.edu.cn)
英文摘要Meteorological to hydrological drought propagation has been widely studied to reflect the relationship between these drought categories and better understand drought mechanisms. However, global warming may alter the drought propagation features, which are not fully understood. This study aims to investigate changes in meteorological and hydrological drought conditions, especially their propagation features in 1.5-3.0 degrees C warmer climates for 8,655 watersheds globally. First, the three-month scale standardized precipitation index and the standardized runoff index are calculated based on the precipitation simulated by the 15 global climate models and the runoff simulated by the four hydrological models, respectively. Drought events are then identified using the run theory, followed by the calculation of drought propagation features (i.e., pooling, lag, and lengthening) for matched meteorological and hydrological droughts. As a result, both meteorological and hydrological drought conditions (i.e., duration and severity) would relieve in warmer climates due to increased precipitation for regions excluding Western North America, South America, the Mediterranean, Southern Africa, East Asia, and Australia. However, the drought conditions would be more severe during drought propagation from meteorological to hydrological droughts over most regions. During drought propagation, the worsening drought conditions over half of the regions would be more serious first and then relieved with the rising temperature. These results indicate that efforts to slow down global warming can suppress the deterioration of drought conditions in the propagation.
WOS关键词20TH-CENTURY DROUGHT ; MODEL ; PRECIPITATION ; CHINA ; CATCHMENTS ; INDEX ; 1.5-DEGREES-C ; UNCERTAINTY ; PERFORMANCE ; PREDICTION
资助项目National Key Research and Development Program of China[2017YFA0603704] ; Hubei Provincial Natural Science Foundation of China[2020CFA100] ; National Natural Science Foundation of China[52079093] ; National Natural Science Foundation of China[51811540407] ; Overseas Expertise Introduction Project for Discipline Innovation (111 Project) - Ministry of Education and State Administration of Foreign Experts Affairs P.R. China[B18037]
WOS研究方向Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000774951900001
出版者AMER GEOPHYSICAL UNION
资助机构National Key Research and Development Program of China ; Hubei Provincial Natural Science Foundation of China ; National Natural Science Foundation of China ; Overseas Expertise Introduction Project for Discipline Innovation (111 Project) - Ministry of Education and State Administration of Foreign Experts Affairs P.R. China
源URL[http://ir.igsnrr.ac.cn/handle/311030/173039]  
专题中国科学院地理科学与资源研究所
通讯作者Chen, Jie
作者单位1.Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan, Peoples R China
2.Wuhan Univ, Hubei Key Lab Water Syst Sci Sponge City Construc, Wuhan, Peoples R China
3.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Wu, Guiyang,Chen, Jie,Shi, Xinyan,et al. Impacts of Global Climate Warming on Meteorological and Hydrological Droughts and Their Propagations[J]. EARTHS FUTURE,2022,10(3):24.
APA Wu, Guiyang,Chen, Jie,Shi, Xinyan,Jong-Suk Kim,Xia, Jun,&Zhang, Liping.(2022).Impacts of Global Climate Warming on Meteorological and Hydrological Droughts and Their Propagations.EARTHS FUTURE,10(3),24.
MLA Wu, Guiyang,et al."Impacts of Global Climate Warming on Meteorological and Hydrological Droughts and Their Propagations".EARTHS FUTURE 10.3(2022):24.

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来源：地理科学与资源研究所

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