学科分类
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1 个结果
  • 简介:TheinterannualvariationsofatmosphericheatsourcesandmoisturesinksovertheEquatorialPacificandtheirrelationswiththeSSTanomaliesarestudiedusingECMWFreanalysisdatafrom1979to1993.Itisfoundbysingularvaluedecomposition(SVD)analysisthattheregioninthetropicalPacificwithhighpositivecorrelationbetweentheverticallyintegratedheatsourceanomalyandtheSSTanomaly,andbetweentheverticallyintegratedmoisturesinkanomalyandtheSSTanomaly,ismainlylocatedinalongandnarrowbelttotheeastof170(Ebetween5(Sand5(N.TheanalysisoftheverticalstructureofatmosphericheatsourcesandmoisturesinksshowsthattheinterannualvariationsofQ1,Q2andSSTintheequatorialcentralandeasternPacificarestronglyandpositivelycorrelatedinthewholetroposphereexceptthebottom(962.5hPa)andthetop(85hPa)layers.However,inthewesternPacific,theinterannualvariationsofQ1below850hPaisnegativelyrelatedtotheSST.Thecorrelationcoefficientatthelevel962.5hPareacheseven-0.59.InotherlayersthepositivecorrelationbetweentheinterannualvariationsofQ1,Q2andtheSSTareweakinthewesternPacific.

  • 标签: 太平洋热带 海平面 温度异常 大气热力 ENSO