Hydroclimatic anomalies in China during the post-Laki years and the role ofconcurring El Nino

作     者：GAO Chao-Chao YANG Lin-Shan LIU Fei GAO Chao-Chao;YANG Lin-Shan;LIU Fei

作者机构：Department of Environmental ScienceZhejiang UniversityHangzhou310058China Key Laboratory of Tropical Atmosphere‒Ocean System Ministry of EducationSchool of Atmospheric SciencesSun Yat-sen UniversityZhuhai519082China Southern Marine Science and Engineering Guangdong LaboratoryZhuhai519082China 

出 版 物：《Advances in Climate Change Research》 (气候变化研究进展（英文版）)

年 卷 期：2021年第12卷第2期

页      面：187-198页

核心收录：

学科分类：07[理学] 070601[理学-气象学] 0706[理学-大气科学] 

基　　金：the National Natural ScienceFoundation of China(41875092) the National Key BasicResearch Program of China(2015CB953601) 

主　　题：1783‒1784 CE Laki eruption Hydroclimatic anomalies China El Nino Proxy reconstruction 

摘      要：Arctic is warming at an alarming speed causing accelerated melting of Greenland and rising of sea level,and geoengineering by injectingaerosol into stratosphere(SAI)has been proposed as a backup approach to mitigate ***,studies suggest that SAI implementationmay have adverse impacts on global especially monsoon precipitation,and Northern Hemisphere high-latitude injections may have dis-proportionally high effects than tropical *** 1783e1784 CE Laki eruption in Iceland provides an analogy to study the climatic andthe subsequent socioecological responses to Arctic SAI,and China possesses a rich legacy of documents recording climatic disasters anddescribing their direct impacts on agriculture and *** the most recent summer precipitation reconstructions and the documentary data,this study presents a systemic analysis of the hydroclimatic anomalies as well as the societal and ecological consequences in China following the1783e1784 CE Laki *** results from multi-proxies show severe drought conditions in eastern China during the post-Laki years,accompanied by large scale locust breakout,famine and human *** drought and associated disasters first emerged in the North ChinaPlain in 1784 CE,intensified and expanded to the middle and lower reaches of the Yangtze River in 1785 *** drought and famine stresses inChina are part of the very unsettled climate conditions experienced across the Northern Hemispheric world during the *** isolating theENSO-induced precipitation from the reconstructed summer precipitation changes,our results indicate that the Laki eruption did cause severedrought in monsoon China during the next three *** drought responses in the 1783e1784 were largely counter-balanced by the wettinginduced by the concurring strong El Ni~no *** results help to enhance our understanding of the hydroclimate consequence of NH highlatitude volcanic eruption in China,and the potential role climate interna