Changes of Atmospheric Circulation since the LastInterstadial as Indicated by the Lake-statusRecord in China

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摘要 Theeffectiveprecipitationandtheframeofatmosphericcirculationinthepastthreekeyperiods,i.e.30kaBP,18kaBPand6kaBP,havebeenanalyzedonthebasisofthepalaeolakestatusrecordproducedbytheChineseLakeStatusDataBase.Theresultsshowthatthewest-centralpartofChinawascharacterizedbyhighlake-levelsat30kaBP,resultingfromstrengthenedsouthwestmonsoons;whereasthehighlakestand,occurringinthewest-centralpartofChinaat18kaBP,wascausedbythesouthwardshiftandthestrengtheningofwesterliesalthoughthehigh-standdistributionwasreduced.Meanwhile,theeast-centralpartofChinawasunderthecontrolofstrongwintermonsoonsat18kaBP.Thehighlake-levels,whichoccurredintheeast-centralpartofChinaat6kaBP,arerelatedtotheenhancedEast-Asiansummermonsoons;whiletheloweringofthelake-levelinthewest-centralpartofChinaat6kaBPwasduetothenorthwardshiftandcorrespondingshrinkofthewesterlies.Acomparisonb
机构地区 不详
出处 《地质学报:英文版》 2000年4期
出版日期 2000年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)