摘要
The3-Dspiralstructureresultingfromthebalancebetweenthepressuregradientforce,Coriolisforce,andviscousforceisacommonatmosphericmotionpattern.Ifthenonlinearadvectivetermsareconsidered,thistypicalpatterncanbebifurcated.Itisshownthatthesurfacelowpressurewithconvergentcyclonicvorticityandsurfacehighpressurewithdivergentanticyclonicvorticityareallstableundercertainconditions.Theanomalousstructurewithconvergentanticyclonicvorticityisalwaysunstable.Buttheanomalousweakhighpressurestructurewithconvergentcyclonicvorticitycanexist,andthisdenotesthecyclone'sdyingout.
出版日期
2004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)