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首页> 外文期刊>日本海洋学会誌 >Hydrographic structure of the Kuroshio large meander-cold water mass region down to the deeper layers of the ocean
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Hydrographic structure of the Kuroshio large meander-cold water mass region down to the deeper layers of the ocean

机译：Kuroshio大型曲折冷水质量区域的水文结构下降到海洋深层

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The hydrographic structure of the region of large meander of the Kuroshio and the large cold water mass, which were formed in 1975, was observed down to the ocean bottom, during three cruises of the R/VHakuho Maru in September 1975, September 1976, and December 1977. The analysis of observed data indicates the following common features: the horizontal gradient of the specific volume anomaly exists down to a 3,500 db surface, corresponding to the existence of baroclinic geostrophic current down to this depth. These facts demonstrate that the current of the Kuroshio is not confined to the upper layer during periods of existence of the large meander. On a T-S diagram, the Kuroshio water and the water in the large cold water mass can be discriminated down to a 5°C surface, but there is evidence of mixing due to conspicuous interleaving between the two water masses, near the thermocline. Below the thermocline, water types defined by points on the T-S diagram can be traced from a deeper level in the Kuroshio water to a shallower level in the cold water mass, indicating that in the deeper layers the Kuroshio water continues to be uplifted toward the center of the cold water mass. The same inference is also obtained from the distribution of dissolved oxygen.
机译：在1975年9月，1975年9月，1975年9月，1975年9月，在1975年，在1975年，观察到1975年大的曲折和大型冷水肿块的水文结构。 1977年12月。观察到数据的分析表明以下共同特征：特定体积异常的水平梯度缩小到3,500dB的表面，对应于该深度的曲金根性近射流的存在。这些事实表明，Kuroshio的电流在大曲折的存在时期不限于上层。在T-S图中，可以区分为大型冷水质量的Kuroshio水和水，但由于两个水质量之间的显着交错，在热焊附近，存在混合的证据。在热量下面，由TS图上的点定义的水类型可以从Kuroshio水中的更深层次追踪到冷水质量中的较浅水平，表明在更深层次的层中，Kuroshio水继续向中心提升冷水质量。也可以从溶解氧的分布获得相同的推断。

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