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本文分析了初夏黄、东海毗邻陆架到深海海域所观测到的悬浮体含量分布和水动力要素,结果表明在陆架与深海区之间存在一个与悬浮体一般分布规律不相符的悬浮体含量最低值区.它犹如一道洁净的“水体障壁”横亘在陆架水与深海之间,阻挡着悬浮体含量最高的陆架中、下层水体向深海的输送.不同的海洋要素分析表明,这一道“水障”系由入侵陆架的黑潮爬升水形成,它是影响悬浮体输送的重大动力因素,其强度的季节性变化导致了陆架大部分悬浮体向深海的运移具有“夏贮冬输”的季节性格局.冬季风暴破坏了研究区水体的温盐跃层并影响黑潮爬升水的进退,是影响研究区悬浮体传输的另一重大动力因素.
In this paper, we analyzed the suspended matter content distribution and hydrodynamic factors observed from the shelves to the deep sea in the early summer in the Yellow Sea and the East China Sea. The results show that there is a minimum between the shelf and the deep sea that is not consistent with the general distribution of the suspended matter It is like a clean “water barrier” lying between the shelf water and the deep sea, blocking the highest suspended solids content of the shelf, the lower body of water to the deep sea transport.Analysis of different marine elements show that this one “water barrier” It is formed by the Kuroshio Climbing Water on the invaded shelf. It is a major dynamic factor affecting the transport of the suspended sediment. Seasonal changes of its intensity lead to the seasonal distribution of most of the suspended sediments to the deep sea. The winter storm destroyed the thermocline jump and affected the advance and retreat of the Kuroshio rising water in the study area, which is another major dynamic factor affecting the transport of suspended matter in the study area.