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| 引用本文: | 于慎余,周发琇,傅刚,王东晓.南海表层水温低频振荡的基本特征.海洋与湖沼,1994,25(5):546-551. |
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| 南海表层水温低频振荡的基本特征 |
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于慎余, 周发琇, 傅刚, 王东晓
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青岛海洋大学海洋气象系 青岛 266003
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| 摘要: |
| 使用1958－1987年COADS资料对南海全区表层水温做了分析。结果发现，南海表层水温存在20－40个月的低频振荡，其中以准两年周期最显著，，其次是3－4年．这种振荡主要发生在深水海盆区，并且与季风异常有着十分密切的关系。 |
| 关键词: 南海水温 低频振荡 季风异常 |
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| 基金项目:国家自然科学基金资助，49176251号 |
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| BASIC FEATURES OF THE SST LOW FREQUENCY OSCILLATION IN THE SOUTH CHINA SEA |
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Yu Shenyu, Zhou Faxiu, Fu Gang, Wang Dongxiao
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Department of Marine Meteorology, Ocean University of Qingdao, Qingdao 266003
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| Abstract: |
| Analyses of the basic features of the South China Sea’s interannual low frequency SST oscillations by using the 1958 - 1987 COADS data set, empirical orthogonal function, spectrum, digital filter, etc. show that:
1) There are SST low frequency oscillations of 20 - 40 months, the most remarkable being the quasi-biennial oscillations, then those with the 3 - 4 year period.
2) These oscillations /generate in the deep water basin and are quite different from seasonal variances .
3) There is almost no propagation of SST oscillation, which implies a fast SST adjustment forced by wind anomalies.
4) The SST oscillations are closely related to the V-component of the wind anomalies. |
| Key words: South China Sea SST, Low frequency oscillation, Monsoon anomaly |
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