| 黄海陆架表层水温的低频振动 |
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| 引用本文： | 周发琇,于慎余.黄海陆架表层水温的低频振动[J].中国海洋大学学报(自然科学版),1987(4). |
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| 作者姓名： | 周发琇 于慎余 |
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| 作者单位： | 山东海洋学院物理海洋学和海洋气象学系
(周发琇)，山东海洋学院物理海洋学和海洋气象学系(于慎余) |
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| 摘 要： | 本文在对位于黄海南部陆架上的朝连岛站30年水温资料进行分析时发现,该站的表层水温有周期大于20个月的低频振动,其中以准两年周期和6年周期最显著。陆架水温的这种低频振动是对东亚季风异常的响应。这种低频振动在冬季与渤海冰情的变化同步;在夏季与黄海底层冷水团的强弱相关。同时,这种低频振动在对马暖流上也有一定的反映。
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| 关 键 词： | 低频振动 功率谱分析 低通滤波 季风异常 |
LOW FREQUENCY OSCILLATIONS OF THE SEA SURFACE TEMPERATURE ON THE CONTINENTAL SHELF OF THE YELLOW SEA |
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| Zhou Faxiu Yu Shenyu.LOW FREQUENCY OSCILLATIONS OF THE SEA SURFACE TEMPERATURE ON THE CONTINENTAL SHELF OF THE YELLOW SEA[J].Periodical of Ocean University of China,1987(4). |
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| Authors: | Zhou Faxiu Yu Shenyu |
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| Institution: | Dept. of Physical Oceanography and Marine Meteorology |
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| Abstract: | In this report a 30 -year data set of the sea surface temperature (SST) obtained from Chaolian Dao station located on the south shelf of Yellow Sea was analysed. The results showed that low frequency oscillations of SST with periods greater than 20 months were remakable. The oscillations responded to the anomalies of the monsoons in the East Asia. The low frequecy Oscillations were related to the anomalies of the ice conditions in the Bohai Sea in winter and to the intensities of the cold water masses in the Yellow Sea in summer. Besides the anomalies of SST in the Tsushima Current basically exhibited the same oscillations as that on the shelf of the Yellow Sea. |
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| Keywords: | low frequency oscillation energy spectrum lowpass filter anomalies of the monsoons |
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