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| 引用本文： | 郭琳,刘玉光,刘雪源,吕学珠,李轶斐.??????????????????????о?[J].大地测量与地球动力学,2009,29(4):64-69. |
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| 作者姓名： | 郭琳 刘玉光 刘雪源 吕学珠 李轶斐 |
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| 作者单位： | 中国海洋大学物理海洋实验室,青岛,266100 |
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| 基金项目： | 国家973课题"近海及邻近大洋动力环境低频变异的可预测性研究" |
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| 摘 要： | ????1992??11???2007??5?μ???????????????????????????仯???????????????1???????24~42???μ???????Я???????????ENSO?????2??SLA_2442?????????????????????????????????????????????????????????????????3?????????У????????????SLA_2442?????????·??????O???Σ??????????????,??γ????????λ??????9.86??N??8??S??????
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| 关 键 词： | ??????? ???仯 ?????· ENSO??? ??????/?????? |
ON SEA LEVEL ANOMALIES OF LOW FREQUENCY SIGNALS IN TROPICAL PACIFIC OCEAN |
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| Guo Lin,Liu Yuguang,Liu Xueyuan,Lv Xuezhu,Li Yifei.ON SEA LEVEL ANOMALIES OF LOW FREQUENCY SIGNALS IN TROPICAL PACIFIC OCEAN[J].Journal of Geodesy and Geodynamics,2009,29(4):64-69. |
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| Authors: | Guo Lin Liu Yuguang Liu Xueyuan Lv Xuezhu Li Yifei |
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| Institution: | Guo Lin,Liu Yuguang,Liu Xueyuan,Lv Xuezhu , Li Yifei(Physical Oceanography Laboratory,Ocean University of China,Qingdao 266100) |
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| Abstract: | On the basis of the altimeter data between October 1992 and May 2007, the interannual variations of sea level anomalies (SLA) of the tropical Pacific Ocean are investigated. It is found that:1) Sea level anomalies during the period of 24-42 months (SLA_2442) are associated with the interannual variations of ENSO; 2) SLA_2442 circuit exists not only during strong ENSO terms like the El Nio of 1997/1998, but also with weak El Nio events, such as the El Nio of 1994/1995, and even in normal years; 3) Each circuit of SLA_2442 signals is cyclonic in both of the north and south hemispheres, whose pattern looks like an “O”, but not symmetrical. In addition, the circuit pathways are near 0°, 9.86°N and 8°S,respectively. |
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| Keywords: | Sea Level Anomaly (SLA) interannual variability circuit signals of ENSO El Nio/La Nia |
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