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浙江近海水温的层化现象及与渔业生产的关系
朱德坤¹, 郑平胜¹
浙江省海洋水产研究所

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RELATIONSHIP BETWEEN STRA- TIF1CAT1ON OF WATER TEMPERATURE AND FISHERY OFF ZHEJIANG

Abstract:

This paper deals with the water temperature stratification and its formation in the sea areas of 28°-31°N, west of 125°E. It is found that the stratification is related to fishery production in autumn and winter fishing seasons. The spatial distribution of the stratification off Zhejiang varies with the latitude. The increase of solar radiation and the wedging-in of low temperature water with higher salinity from continental slope are the main cause of the stratification growth and slack. The duration of the thermocline is directly related to the progress of fishing season. Thus the slacking process after the stratification can be served as a qualitative index of fishing season.

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