Formation of the f-plane quasi-geostrophic three-dimensional ocean circulation under wind-driven and the application of mass conservation
文献类型：期刊论文
| 作者 | Chao Ji-Ping; Feng Li-Cheng |
| 刊名 | Chinese journal of geophysics-chinese edition
 |
| 出版日期 | 2007-09-01 |
| 卷号 | 50期号:5页码:1319-1329 |
| 关键词 | South china sea Quasi-geostrophic circulation Baroclinic inertial motion Sea water mass conservation |
| ISSN号 | 0001-5733 |
| 通讯作者 | Chao ji-ping(321019chao@vip.sina.com) |
| 英文摘要 | In this paper, we divide the idealized south china sea basin into ekman layer, inertial layer and friction layer in the vertical. motion in the ekman layer is driven by wind stress, and the perturbation pressure on the bottom will be the upper boundary condition of the inertial layer. motion in the inertial layer is controlled by potential vorticity conservation derived from the f-plane three-dimensional nonlinear equation under quasi-geostrophic approximation, and then we can get the elliptic equation of the inertial layer. considering that the horizontal-scale is small below the inertial layer, we introduce linear control equation with bottom friction. the upper boundary condition of the equation is that the perturbation pressure on the interface of the inertial layer and the friction layer is equal. supposing that the sea water has no heat exchange with the wall, the temperature along the basin wall can be set to zero. from the aboving, we calculated every level' s perturbation pressure and quasi-geostrophic flow by using the ellipse equations in the inertial and friction layer. the results indicate that circulation in each level is cyclonic dominatingly, the velocity decreases with depth, however, there is anticyclonic circulation in summer. it's according with the observation in some degree. |
| WOS关键词 | SOUTH-CHINA-SEA ; SURFACE CIRCULATION ; INTRUSION ; DYNAMICS ; WATER |
| WOS研究方向 | Geochemistry & Geophysics |
| WOS类目 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000249679300007 |
| 出版者 | SCIENCE CHINA PRESS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2383129 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Chao Ji-Ping |
| 作者单位 | 1.Natl Marine Environm Forecast Ctr, Beijing 10081, Peoples R China 2.Inst Oceanog 1, SOA, Qingdao 266061, Peoples R China 3.Chinese Acad Sci, Inst Atmospher Phys, LASG, Beijing 100029, Peoples R China 4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chao Ji-Ping,Feng Li-Cheng. Formation of the f-plane quasi-geostrophic three-dimensional ocean circulation under wind-driven and the application of mass conservation[J]. Chinese journal of geophysics-chinese edition,2007,50(5):1319-1329. |
| APA | Chao Ji-Ping,&Feng Li-Cheng.(2007).Formation of the f-plane quasi-geostrophic three-dimensional ocean circulation under wind-driven and the application of mass conservation.Chinese journal of geophysics-chinese edition,50(5),1319-1329. |
| MLA | Chao Ji-Ping,et al."Formation of the f-plane quasi-geostrophic three-dimensional ocean circulation under wind-driven and the application of mass conservation".Chinese journal of geophysics-chinese edition 50.5(2007):1319-1329. |
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