INTERDECADAL VARIATIONS OF INTERACTION BETWEEN NORTH PACIFIC SSTA AND EAST ASIAN SUMMER MONSOON

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摘要 IdentificationofkeySSTzonesisessentialinpredictingtheweather/climatesystemsinEastAsia.WiththeSSTdatabytheU.K.MeteorologicalOfficeand40-yeargeopotentialheightandwindfieldsbyNCAR/NCEP,therelationshipbetweentheEastAsiansummermonsoonandnorthPacificSSTAisstudied,whichrevealstheirinteractionsareofinterdecadalvariation.Beforemid-1970's,thenorthPacificSSTAactsuponthesummermonsooninEastAsiathroughagreatcirclewavetrainandresultsinmorerainfallinthesummerofthenorthernpartofChina.After1976,theSSTAweakensthewavetrainandnolongerinfluencestheprecipitationinNorthChinaduetoloosenedlinkswiththeEastAsiansummermonsoon.ItcanbedrawnthatthekeySSTzoneshavingpotentialeffectsontheweather/climatesystemsinEastAsiadonotstayinoneparticularareaoftheoceanbutrathershiftelsewhereasgovernedbytheinterdecadalvariationsoftheair-seainteractions.Itishopedthatthestudywouldhelpshedlightonthepredictionofdrought/floodspansinChina.
作者 LI Feng
机构地区 不详
关键词
出版日期 2001年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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