摘要: |
本文讨论了仅有一个口门与外海相邻接的等深矩形海域内的环流分布。
本文给出了在这种海域内的定常海流的流函数表达式。从数学上来说,由于在口门这一边的边界条件上存在着第一类间断点,因此可以求得分区域的函数解,或者整个区域的级数解。为了工作的方便,本文采用后一种形式的解。
最后,本文把渤海作为矩形海域,渤海海峡为其口门,求得了渤海内环流分布的模式。这一结果与现有的渤海环流分布的定性结果趋向较为一致。 |
关键词: 半封闭海域 环流模式 |
DOI: |
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基金项目:中国科学院海洋研究所调查研究报告第508号 |
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ON THE CIRCULATION PATTERN WITHIN A SEMI-CLOSED BASIN |
Yang Tianhong
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Institute of Oceanology, Academia Sinica
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Abstract: |
this paper discusses the circulation pattern within a rectangular uniform basin which communicating with the adjacent sea through an openning. Assume the north and south boundaries being sliding type, while the east and west boundaries (with the exception of the openning) being viscous type. The ,aim of this paper is to get a solution of Stockman's total transport equation with the fore mentioned boundary conditions. Because of the existence of a discontinuous point of the first kind on that boundary with an openning, we use Fourier method to obtain a solution in the series form for the whole basin. It is apparent from the solution that the circulation pattern within such a semi-closed basin is essentially determined by the wind stress curl on the basin and the velocity distribution at the openning.
Finally,we apply the above result to the Bohai Sea, it is to be seen that the circulation pattern of the Bohai Sea calculated by this method is quite similar with the observed circulation pattern of the Bohai Sea so far as the general feature is concerned. |
Key words: circulation pattern A SEMI-CLOSED BASIN |