Atmospheres of gas-giant planets are driven by thermal convection and often exhibit cyclonic circulation at the poles. Here we present the results of the numerical simulations of individual cold and warm blobs in a polar area of a rotating deep spherical layer. The simulations show that the cyclones created at the top of the atmosphere by sinking cold blobs translate northward. The cyclones are the surface signatures of the Taylor columns formed above the descending cold blobs. The Taylor columns are aligned with the planetary axis of rotation and are created by inertial (gyroscopic) waves emitted by the blobs. In contrast, the cyclones created at the bottom of the shell by rising warm blobs move southwards. The numerical results exclude beta-drift from possible reasons of the observed translation.

中文翻译：

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由于旋转行星上的深层热对流而产生的涡旋向极平移

气态巨行星的大气是由热对流驱动的，并且在两极经常表现出气旋环流。在这里，我们展示了旋转深球层极区中单个冷和暖团块的数值模拟结果。模拟表明，通过下沉的冷团在大气层顶部产生的气旋向北平移。旋风是在下降的冷团上方形成的泰勒柱的表面特征。泰勒柱与行星旋转轴对齐，由斑点发射的惯性（陀螺）波产生。相比之下，由上升的暖团在外壳底部产生的旋风向南移动。数值结果从观察到的平移的可能原因中排除了 beta 漂移。