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Recent decrease in summer precipitation over the Iberian Peninsula closely links to reduction in local moisture recycling

文献类型：期刊论文

作者Liu, Yubo3,4; Garcia, Monica1,5; Zhang, Chi2,3; Tang, Qiuhong3,4
刊名HYDROLOGY AND EARTH SYSTEM SCIENCES
出版日期2022-04-19
卷号26期号:8页码:1925-1936
ISSN号1027-5606
DOI10.5194/hess-26-1925-2022
通讯作者Tang, Qiuhong(tangqh@igsnrr.ac.cn)
英文摘要The inherently dry summer climate of the Iberian Peninsula (IP) is undergoing drought exacerbated by more intense warming and reduced precipitation. Although many studies have studied changes in summer climate factors, it is still unclear how the changes in moisture contribution from the sources lead to the decrease in summer precipitation. This study investigates the differences in the IP precipitationshed from 1980 to 1997 and 1998 to 2019 using the Water Accounting Model-2layers with ERA5 data, and assesses the role of local moisture recycling and external moisture in reducing summer precipitation. Our findings indicate that the moisture contributions from the local IP, and from the west and the east of the precipitationshed, contributed 1.7, 3.6 and 1.1 mm per month less precipitation after 1997 than before 1997, accounting for 26 %, 57 % and 17 % of the main source supply reduction, respectively. The significant downward trend of the IP local moisture recycling closely links to the disappearance of the wet years after 1997 as well as the decrease in local contribution in the dry years. Moreover, the feedback between the weakened local moisture recycling and the drier land surface can exacerbate the local moisture scarcity and summer drought.
WOS关键词GLOBAL WATER CYCLE ; LAGRANGIAN ANALYSIS ; ATMOSPHERIC BRANCH ; CLIMATE-CHANGE ; PART I ; MODEL ; LAND ; VARIABILITY ; VALIDATION ; HUMIDITY
资助项目National Natural Science Foundation of China[41730645] ; National Natural Science Foundation of China[41701033] ; Chinese Academy of Sciences[XDA20060402] ; Water Challenges for a Changing World Joint Program Initiative
WOS研究方向Geology ; Water Resources
语种英语
WOS记录号WOS:000783497000001
出版者COPERNICUS GESELLSCHAFT MBH
资助机构National Natural Science Foundation of China ; Chinese Academy of Sciences ; Water Challenges for a Changing World Joint Program Initiative
源URL[http://ir.igsnrr.ac.cn/handle/311030/174561]  
专题中国科学院地理科学与资源研究所
通讯作者Tang, Qiuhong
作者单位1.Sino Danish Ctr Educ & Res SDC, DK-8000 Aarhus C, Denmark
2.Chinese Acad Sci, Key Lab Land Surface Pattern & Simulat, Inst Geog Sci & Nat Resources Res, Beijing, 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
4.Univ Chinese Acad Sci, Beijing, Peoples R China
5.Univ Politecn Madrid, Res Ctr Management Environm & Agr Risks CEIGRAM, ETS Ingn Agron Alimentaria & Biosistemas, Avda Senda del Rey 13, Madrid 28040, Spain
推荐引用方式
GB/T 7714		 Liu, Yubo,Garcia, Monica,Zhang, Chi,et al. Recent decrease in summer precipitation over the Iberian Peninsula closely links to reduction in local moisture recycling[J]. HYDROLOGY AND EARTH SYSTEM SCIENCES,2022,26(8):1925-1936.
APA Liu, Yubo,Garcia, Monica,Zhang, Chi,&Tang, Qiuhong.(2022).Recent decrease in summer precipitation over the Iberian Peninsula closely links to reduction in local moisture recycling.HYDROLOGY AND EARTH SYSTEM SCIENCES,26(8),1925-1936.
MLA Liu, Yubo,et al."Recent decrease in summer precipitation over the Iberian Peninsula closely links to reduction in local moisture recycling".HYDROLOGY AND EARTH SYSTEM SCIENCES 26.8(2022):1925-1936.

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来源：地理科学与资源研究所

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