| FANG Guohong,WEI Zexun,WANG Yonggang,CHEN Haiying,WANG Xinyi.An extended variable-grid global ocean circulation model and its preliminary results of the equatorial Pacific circulation[J].Acta Oceanologica Sinica,2004,(1):23-30 |
| An extended variable-grid global ocean circulation model and its preliminary results of the equatorial Pacific circulation |
| An extended variable-grid global ocean circulation model and its preliminary results of the equatorial Pacific circulation |
| 投稿时间：2003-09-30 修订日期：2003-11-27 |
| DOI： |
| 中文关键词: global ocean circulation model variable grid equatorial Pacific zonal currents lower deep western boundary current abyssal western boundary current |
| 英文关键词:global ocean circulation model variable grid equatorial Pacific zonal currents lower deep western boundary current abyssal western boundary current |
| 基金项目: |
| 作者 | 单位 | E-mail | | FANG Guohong | Key Laboratory of Marine Science and Numerical Modelling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | fangh@fio.org.cn | | WEI Zexun | Key Laboratory of Marine Science and Numerical Modelling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | | WANG Yonggang | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Graduate School of Chinese Academy of Sciences, Beijing 100039, China | | | CHEN Haiying | Key Laboratory of Marine Science and Numerical Modelling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Graduate School of Chinese Academy of Sciences, Beijing 100039, China | | | WANG Xinyi | Key Laboratory of Marine Science and Numerical Modelling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | |
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| 中文摘要: |
| To investigate the interaction between the tropical Pacific and China seas a variable-grid global ocean circulation model with fine grid[(1/6)°] covering the area from 20°S to 50°N and from 99° to 150°E is developed. Numerical computation of the annually cyclic circulation fields is performed. The results of the annual mcan zonal currents and deep to abyssal western boundary currents in the equatorial Pacific Ocean are reported. The North Equatorial Current, the North Equatorial Countereurrent, the South Equatorial Current and the Equatorial Undercurrent are fairly well simulated. The model well reproduces the northward flowing abyssal western boundary current. From the model results a lower deep western boundary current east of the Bismarck-Solomon-New Hebrides Island chain at depths around 2 000 m has been found. The model results also show that the currents in the equatorial Pacific Ocean have multi-layer structures both in zonal currents and western boundary currents, indicating that the global ocean overturning thermohaline circulation appears of multi-layer pattern. |
| 英文摘要: |
| To investigate the interaction between the tropical Pacific and China seas a variable-grid global ocean circulation model with fine grid[(1/6)°] covering the area from 20°S to 50°N and from 99° to 150°E is developed. Numerical computation of the annually cyclic circulation fields is performed. The results of the annual mcan zonal currents and deep to abyssal western boundary currents in the equatorial Pacific Ocean are reported. The North Equatorial Current, the North Equatorial Countereurrent, the South Equatorial Current and the Equatorial Undercurrent are fairly well simulated. The model well reproduces the northward flowing abyssal western boundary current. From the model results a lower deep western boundary current east of the Bismarck-Solomon-New Hebrides Island chain at depths around 2 000 m has been found. The model results also show that the currents in the equatorial Pacific Ocean have multi-layer structures both in zonal currents and western boundary currents, indicating that the global ocean overturning thermohaline circulation appears of multi-layer pattern. |
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