Are cyclones in Jupiter's polar regions modulated by the radially directional Rayleigh–Taylor instability?

被引:0
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作者
ChuXin Chen [1 ]
机构
[1] Chinese Academy of Sciences Key Laboratory of Geospace Environment, Department of Geophysics and Planetary Sciences, School of Earth and Space Sciences, University of Science and Technology of China
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中图分类号
P185.4 [木星];
学科分类号
070401 ;
摘要
The persistence and symmetry of cyclones around the poles of Jupiter are unknown. In the present investigation, inspired by cyclones at the South Pole of the Earth, we propose a mechanism that provides an explanation for this problem. The negative temperature gradient with respect to latitude may play an important role here. This temperature gradient is induced by solar radiation because of the small axial inclination of Jupiter. Our numerical simulations suggest that cyclones in the polar regions of Jupiter may be modulated or controlled by the radially directional Rayleigh–Taylor instability, driven by centrifugal force and the negative temperature gradient along the latitude.
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页码:229 / 236
页数:8
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