典型文献
Shifting of summertime weather extremes in Western Europe during 2012-2020
文献摘要:
Over the past decades,droughts and heatwaves frequently appeared in Western Europe(45°-65°N,10°W-20°E)during boreal summer,causing huge impacts on human society and ecosystems.Although these extremes are projected to increase in both frequency and intensity under a warming climate,our knowledge of their interdecadal variations and causes is relatively limited.Here we show that the droughts and heatwaves in Western Europe have shifted in their trends in the last decade:for 1979-2012,wind speed and precipitation have both strengthened in Western Europe;for 2012-2020,however,Western Europe have experienced declined wind speed,decreased precipitation,and higher air temperature,leading to more frequent droughts and heatwaves there.Recent changes in the WE climate and extremes are related to the variations of the North Atlantic westerly jet stream.In 1979-2012(2012-2020),the westerly jet stream shifted equatorward(poleward),which enhanced(reduced)transportation of water vapor fluxes from the North Atlantic Ocean to the European land areas,resulting in wetter(drier)surface in Western Europe.Further analysis suggests that phase changes in the Pacific Decadal Oscillation could have played a key role in regulating the position of the jet stream,providing important implications for decadal predictions of the Western Europe summertime climate and weather extremes.
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作者姓名:
Kai-Qiang DENG;Cesar AZORIN-MOLINA;Song YANG;Chun-Di HU;Gang-Feng ZHANG;Lorenzo MINOLA;Sergio VICENTE-SERRANO;Deliang CHEN
作者机构:
School of Atmospheric Sciences and Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies,Sun Yat-sen University,Zhuhai 519082,China;Regional Climate Group,Department of Earth Sciences,University of Gothenburg,Gothenburg 40530,Sweden;Centro de Investigaciones Sobre Desertificación,Consejo Superior de Investigaciones Cientificas(CIDE-CSIC),Moncada 46113,Spain;Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai),Zhuhai 519082,China;State Key Laboratory of Earth Surface Processes and Resource Ecology,Beijing Normal University,Beijing 100875,China;Academy of Disaster Reduction and Emergency Management,Ministry of Emergency Management and Ministry of Education,Beijing Normal University,Beijing 100875,China;Instituto Pirenaico de Ecología,Consejo Superior de Investigaciones Cientificas(IPE-CSIC),Zaragoza 50059,Spain
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引用格式:
[1]Kai-Qiang DENG;Cesar AZORIN-MOLINA;Song YANG;Chun-Di HU;Gang-Feng ZHANG;Lorenzo MINOLA;Sergio VICENTE-SERRANO;Deliang CHEN-.Shifting of summertime weather extremes in Western Europe during 2012-2020)[J].气候变化研究进展(英文版),2022(02):218-227
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Shifting,summertime,weather,extremes,during,Over,past,decades,droughts,heatwaves,frequently,appeared,boreal,causing,huge,impacts,human,society,ecosystems,Although,these,projected,increase,both,frequency,intensity,under,warming,climate,our,knowledge,their,interdecadal,variations,causes,relatively,limited,Here,show,that,have,shifted,trends,last,wind,speed,precipitation,strengthened,however,experienced,declined,decreased,higher,air,temperature,leading,more,there,Recent,changes,WE,related,North,Atlantic,westerly,jet,stream,In,equatorward,poleward,which,enhanced,reduced,transportation,water,vapor,fluxes,from,Ocean,European,land,areas,resulting,wetter,drier,surface,Further,analysis,suggests,phase,Pacific,Decadal,Oscillation,could,played,key,role,regulating,position,providing,important,implications,predictions
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0.580149
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