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ANALYSIS OF THE INTER-TRANSFOMATION OF EQUIVALENT BAROTROPIC AND BAROCLINIC ROSSBY WAVES
作者姓名:王永中  夏友龙  邓北胜
作者单位:Beijing Meteorological College Beijing 100081,Beijing Meteorological College,Beijing 100081,Beijing Meteorological College,Beijing 100081
摘    要:By using the low-spectral model simplified from quasi-geostrophic approximation two-levelmodel,we obtained the result that the equivalent barotropic state is an equilibrium state of theatmosphere in that model,and discussed the conditions needed for existing the Rossby wavepossessing the equivalent barotropic structure.And then we derived the oscillation equation reflectingthe phase change of Rossby wave between higher and lower levels from the basic state of equivalentbarotropic stationary Rossby wave,indicating the relations between the change of difference of phaseat higher and lower levels and the disturbance of vertical shear,the amplitude disturbance of the partof waves of stream function and thermal wind stream function on the average level (A′ and B′).It isconcluded that the inter-transformation exists between Rossby waves possessing the equivalentbarotropic and baroclinic structure.


ANALYSIS OF THE INTER-TRANSFOMATION OF EQUIVALENT BAROTROPIC AND BAROCLINIC ROSSBY WAVES
Wang Yongzhong Xia Youlong Deng Beisheng Beijing Meteorological College.ANALYSIS OF THE INTER-TRANSFOMATION OF EQUIVALENT BAROTROPIC AND BAROCLINIC ROSSBY WAVES[J].Acta Meteorologica Sinica,1995(4).
Authors:Wang Yongzhong Xia Youlong Deng Beisheng Beijing Meteorological College
Institution:Wang Yongzhong Xia Youlong Deng Beisheng Beijing Meteorological College.Beijing 100081
Abstract:
Keywords:equivalent barotropic structure  baroclinic structure  inter-transformation  low-spectral model
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