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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。
In this paper, we analyze the 30-year water temperature data of Korea Island Station located on the south shelf of the Yellow Sea and found that the surface water temperature of this station has low-frequency vibration with a period of more than 20 months, of which the quasi-two-year period and the six-year period are the most significant. This low frequency vibration of the shelf water temperature is a response to the anomalous East Asian monsoon. This low-frequency vibration is synchronized with changes in the Bohai Sea ice conditions during the winter, and is related to the strength of the cold water mass at the bottom of the Yellow Sea in summer. At the same time, this low-frequency vibration in the warm horse also has some reflection.