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首页> 外文期刊>Journal of Physical Oceanography >The Leaky Thermocline
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The Leaky Thermocline

机译：泄漏的温床

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摘要

A model for the vertical structure of ocean gyres is presented that extends the ideal thermocline theories of Rhines and Young and Luyten et al. to include a cross-layer volume flux associated with geostrophic eddy transfer. A two-and-one-half-layer model is considered that assumes that the intensity of the eddy transfer depends on the local strength of the current. The ideal thermocline models emerge in the limit where the parameter characterizing the cross-layer volume flux is asymptotically small. Inclusion of the eddy-induced volume flux resolves the nonuniqueness of the Sverdrup dynamics in the unventilated pool attached to the western boundary layer. In the ventilated region, solutions of the model equations converge to their ideal counterparts. The circulation is closed explicitly by developing a western boundary layer theory based entirely on the effects of the cross-isopycnal volume flux due to eddies. Unlike most models of western intensification, the leaky boundary layer here is active, and its dynamics are essential for determining the structure of the interior field.
机译：提出了一种海洋旋涡垂直结构的模型，该模型扩展了莱茵斯和杨以及扬·鲁滕等人的理想的热跃层理论。包括与地转涡流传递相关的跨层体积通量。考虑一个两层半的模型，该模型假定涡流转移的强度取决于电流的局部强度。理想的温跃层模型出现在极限处，在该极限处表征跨层体积通量的参数渐近变小。包含涡流引起的体积通量可以解决Sverdrup动力学在连接到西部边界层的未通风池中的非唯一性。在通风区域，模型方程的解收敛到其理想的对等点。通过完全基于涡流产生的等腰跨容积通量的影响，通过发展西方边界层理论，明确地封闭了环流。与大多数西方集约化模型不同，这里的泄漏边界层是活跃的，其动力学对于确定内部场的结构至关重要。

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