摘要
UsingtheInternationalComprehensiveOcean-AtmosphereDataSet(ICOADS)andERA-Interimdata,spatialdistributionsofair-seatemperaturedifference(ASTD)intheSouthChinaSea(SCS)forthepast35yearsarecompared,andvariationsofspatialandtemporaldistributionsofASTDinthisregionareaddressedusingempiricalorthogonalfunctiondecompositionandwaveletanalysismethods.TheresultsindicatethatbothICOADSandERA-InterimdatacanreflectactualdistributioncharacteristicsofASTDintheSCS,butvaluesofASTDfromtheERA-InterimdataaresmallerthanthoseoftheICOADSdatainthesameregion.Inaddition,theASTDcharacteristicsfromtheERA-Interimdataarenotobviousinshore.Aseesaw-type,north-southdistributionofASTDisdominantintheSCS;i.e.,apositivepeakinthesouthisassociatedwithanegativepeakinthenorthinNovember,andanegativepeakinthesouthisaccompaniedbyapositivepeakinthenorthduringAprilandMay.InterannualASTDvariationsinsummerorautumnaredecreasing.Thereisaseesaw-typedistributionofASTDbetweenBeibuBayandmostoftheSCSinsummer,andthecenteroflargevaluesisintheNanshaIslandsareainautumn.TheASTDintheSCShasastrongquasi-3aoscillationperiodinallseasons,andaquasi-11aperiodinwinterandspring.TheASTDispositivelycorrelatedwiththeNio3.4indexinsummerandautumnbutnegativelycorrelatedinspringandwinter.
出版日期
2017年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)