| Multiple equilibria of cross-equatorial Inertial jets |
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| 作者姓名： | CHAO JiPing & LIU Fei National Marine Environmental Forecasting Center Beijing China The First Institute of Oceanography SOA Qingdao China Key Laboratory Regional Climate-Environment for Temperate East Asia Institute of Atmospheric Physics Chinese Academy of Sciences Beijing China Graduate University of Chinese Academy of Sciences Beijing China |
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| 作者单位： | CHAO JiPing1，2 & LIU Fei3，4 1 National Marine Environmental Forecasting Center，Beijing 100081，China; 2 The First Institute of Oceanography，SOA，Qingdao 266060，China; 3 Key Laboratory Regional Climate-Environment for Temperate East Asia，Institute of Atmospheric Physics，Chinese Academy of Sciences，Beijing 100029，China; 4 Graduate University of Chinese Academy of Sciences，Beijing 100039，China |
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| 基金项目： | 国家自然科学基金;国家重点基础研究发展计划(973计划) |
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| 摘 要： | Based on the developed Anderson and Moore's theory about cross-equatorial inertial jets and a nonlinear equivalence shallow water model, new universal functions are determined by the characters of the vortical large-scale air flow (atmosphere) or ocean current (ocean) related to the jet, then the potential vorticity and energy conservation equations along the streamline in the cross-equatorial in-ertial jets can be obtained. Because the governing equations are nonlinear, some limited multiple equi-libria of cross-equatorial inertial jets may exist. According to the character of large-scale air flow or ocean current outside the jets, the existent criterion for multiple eqnilibria in cross-equatorial inertial jets is discussed, and two examples for multiple equilibia of nonlinear governing equations are given.
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| 收稿时间： | 31 October 2005 |
| 修稿时间： | 20 January 2006 |
Multiple equilibria of cross-equatorial Inertial jets |
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| CHAO JiPing, & LIU Fei, National Marine Environmental Forecasting Center,Beijing ,China, The First Institute of Oceanography,SOA,Qingdao ,China, Key Laboratory Regional Climate-Environment for Temperate East Asia,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing ,China, Graduate University of Chinese Academy of Sciences,Beijing ,China.Multiple equilibria of cross-equatorial Inertial jets[J].Science in China(Earth Sciences),2007,50(1):153-160. |
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| Authors: | Chao JiPing Liu Fei |
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| Institution: | 1. National Marine Environmental Forecasting Center, Beijing 100081, China;The First Institute of Oceanography ,SOA, Qingdao 266060, China
2. Key Laboratory Regional Climate-Environment for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;Graduate University of Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | Based on the developed Anderson and Moore's theory about cross-equatorial inertial jets and a nonlinear equivalence shallow water model, new universal functions are determined by the characters of the vortical large-scale air flow (atmosphere) or ocean current (ocean) related to the jet, then the potential vorticity and energy conservation equations along the streamline in the cross-equatorial in-ertial jets can be obtained. Because the governing equations are nonlinear, some limited multiple equi-libria of cross-equatorial inertial jets may exist. According to the character of large-scale air flow or ocean current outside the jets, the existent criterion for multiple eqnilibria in cross-equatorial inertial jets is discussed, and two examples for multiple equilibia of nonlinear governing equations are given. |
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| Keywords: | multiple equilibria cross-equatorial inertial jets the potential vorticity energy conservation |
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