ISSN 1006-8775CN 44-1409/P

    NUMERICAL SIMULATIONS OF β-GYRES IN TROPICAL CYCLONES

    • The circulation of β-gyres in tropical cyclones is studied using numerical simulations. As shown in the result, there is clear circulation of β-gyres in the deviation flow field of the middle layer of the model,i.e. there is cyclone current west of the vortex center but anticyclone current east of it. The theory analysis shows that the circulation of β-gyres is formed by the advection of geostrophic vorticity.
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