Two equilibria of the Antarctic Circumpolar Current and its associated Meridional Overturning Circulation

被引：0
|
作者：
CHAO JiPing1
2First Institute of Oceanography
3State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics
4Graduate University of Chinese Academy of Sciences
机构：
来源：
Science China Earth Sciences | 2012年 / 55卷 / 02期
关键词：
Antarctic Circumpolar Current; Meridional Overturning Circulation; inertia theory; two equilibria;
D O I：
暂无
中图分类号：
P432 [大气运动学];
学科分类号：
0706 ; 070601 ;
摘要：
The Antarctic Circumpolar Current (ACC) and its associated Meridional Overturning Circulation (MOC) is investigated through a nonlinear inertia theory model, which consists of two layers--an upper Ekman layer driven mainly by sea surface wind stress and a lower thermocline controlled by ideal fluid nonlinear equations which can be solved by identifying the form of the arbitrary functions. The results show that the thermocline has a two-equilibrium solution though given the same Ekman layer condition. Compared to the first equilibrium, the second one has a heavier intensity and deeper circulation, which seems more consistent with the existing data.
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收藏
页码：315 / 322
页数：8
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