摘要
ThearticleistoreportsomeresultsofnumericalexperimentsontheerrorgrowthandtheatmosphericpredictabilityExperimentswithtwo-levelglobalbaroclinicprimitiveequationspectralmodelhavemainresultsasfollows.Themagnitudeofinitialerrorsdirectlyaffectstheerrorgrowth,butitsdistributionformhaslittleeffectonthegrowth.Thelossofpredictabilityresultingfromsmall-scaleerrorismuchgreaterthanthatfromlarge-scaleerror.Thesmall-scaleerrorrapidlygrowsandistransferredtothelarge-scaleerrorbyinteractionbetweendifferentscalewaves,whichstimulatesthegrowthoferrorforthewholesystemOrographicforcingrestrainsplanetary-scaleerror(wavenumbers0—3)butenhancesthesmall-scaleerror(wavenumbers8orgreater).Hence,orographiceffectsontheerrorgrowthcloselydependonthecharacteris-ticscaleofinitialerrors,andtheremaybeacriticalwavenumberbetween4and7.Theerrorgrowthisgreat-erinNorthernHemispherethaninSouthernHemisphereifinitialerrorsarethesame.Intheendwegivesomediscussionsaboutmodel,initializationscheme,etc.,toimprovemodelprediction.
出版日期
1990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)