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首页> 外文期刊>Journal of Geophysical Research, C. Oceans: JGR >A model study of the vertically integrated transport variabilitythrough the Yucatan Channel: Role of Loop Current evolution and flow compensation around Cuba
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A model study of the vertically integrated transport variabilitythrough the Yucatan Channel: Role of Loop Current evolution and flow compensation around Cuba

机译：尤卡坦海峡垂直整合输运变异性的模型研究：环流的演变和古巴周围的流量补偿的作用

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摘要

The relationship between Loop Current intrusion in the Gulf of Mexico and vertically integrated transport variations through the Yucatan Channel is examined using models and the available observations. Transport in the model is found to be a minimum when the Loop Current intrudes strongly into the Gulf of Mexico, typically just before a ring is shed, and to be a maximum during the next growth phase in association with the buildup of warm water off the northwest coast of Cuba. We argue that the transport variations are part of a "compensation effect" in which transport variations through the Yucatan Channel are at least partly compensated by flow around Cuba. Numerical experiments show that the transport variations result from the interaction between the density anomalies associated with Loop Current intrusion and the variable bottom topography. The compensation effect is also shown to operate at shorter time scales (less than 30 days) in association with wind forcing.
机译：使用模型和可用观测资料，研究了墨西哥湾的环流入侵与通过尤卡坦海峡的垂直整合运输变化之间的关系。当环流强烈侵入墨西哥湾时（通常在环掉下之前），模型中的运输量最小，而在下一生长期，随着海水从地上积聚，运输量最大。古巴西北海岸。我们认为运输变化是“补偿效应”的一部分，在这种效应中，通过尤卡坦海峡的运输变化至少部分被古巴周围的水流所补偿。数值实验表明，输运变化是由与环流侵入有关的密度异常与可变底部地形之间相互作用的结果。还显示出补偿作用与风力一起在较短的时间范围内（少于30天）起作用。

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