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首页> 外文期刊>Estuarine Coastal and Shelf Science >Mechanism responsible for fortnightly modulations in estuarine circulation in Tokyo Bay
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Mechanism responsible for fortnightly modulations in estuarine circulation in Tokyo Bay

机译：东京湾河口环流每两周发生一次变化的机制

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摘要

The mechanism thought to be responsible for the observed fortnightly modulation of estuarine circulation in Tokyo Bay was investigated in December 1998 using a two-layer theoretical model, which was verified using a three-dimensional non-hydrostatic model. The influence of the difference in kinetic energy between the upper and lower layers on estuarine circulation was clarified in terms of vorticity, which was defined by the difference in the velocities of the two layers. The ratio of the difference in kinetic energy between the two layers to the baroclinic energy was attributed to the change in strength of estuarine circulation. Thus, the mechanism for fortnightly modulations of estuarine circulation may be due to the suppression of upper-water withdrawal during spring tide, when the ratio is more than 1, and the enhancement of upper-water withdrawal during neap tide, when the ratio is close to 0.
机译：1998年12月，采用两层理论模型研究了认为是东京湾每两周观察到的河口环流调节的机理，该机理已通过三维非静水力模型进行了验证。上下两层之间动能差异对河口环流的影响已经明确，其涡度由两层速度的差异确定。两层之间的动能差与斜压能之比归因于河口循环强度的变化。因此，每两周调节河口循环的机制可能是由于当比率大于1时，在春季潮汐时抑制了上水抽取，而当比率接近时，则是由于在潮汐时提高了上水抽取。到0。

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