NUMERICAL EXPERIMENTS IN SYMMETRIC AND ASYMMETRIC MOTIONS IN THE BAROTROPIC PRIMITIVE EQUATION MODEL ATMOSPHERE

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摘要 Threenumericalexperimentshavebeencarriedoutbyusingaspectralbarotropicprimitiveequationmo-del.Itisfoundthattheresultsobtainedarequitesimilartothosewiththebarotropicfilteredmodel.Themainresultsreadasfollows:(1)Inthecasewithsymmetricorographyorwithoutorography,ifthemotionissymmetric(withre-specttotheequator,thesameistruehereafter)attheinitialinstant,thenitwouldbesymmetricafterwards.(2)Theantisymmetricorographydistributioncouldcauseantisymmetricmotion,andtheoriginalsym-metricmotionmightbecomeasymmetric.Inordertoexplaintheaboveresults,ithasbeenprovedthattheyaretheoreticallyvalid.Anditisfoundthatifthemotionisantisymmetricattheinitialinstant,thenitwouldbecomeasymmetric.Therefore,nopureantisymmetricmotioncouldbemaintained.
机构地区 不详
出处 《气象学报:英文版》 1991年4期
出版日期 1991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)