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首页> 外文期刊>Journal of Physical Oceanography >The Impact of Subtidal Circulation on Internal Tide Generation and Propagation in the Philippine Sea
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The Impact of Subtidal Circulation on Internal Tide Generation and Propagation in the Philippine Sea

机译：潮汐环流对菲律宾海内潮的产生和传播的影响

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This study examines the effects of the subtidal circulation on the generation and propagation of the M_2 internal tide in the Philippine Sea using a primitive equation model. Barotropic to baroclinic conversion at the Luzon Strait is found to vary due to the background circulation changes over the generation site and the changing influence of remotely generated internal tides from the Mariana Arc. The varying effect of remotely generated waves results from both changing generation energy levels at the Mariana Arc and variability in the propagation of the internal tides across the Philippine Sea. The magnitude and direction of the depth-integrated baroclinic energy fluxes vary temporally, due to a combination of changing generation, propagation, and dissipation. Spatial patterns of internal tide propagation near the Luzon Strait are influenced by the locations of mesoscale eddies to the east and west of the strait. The results provide insight into the mechanisms of variability of the baroclinic tides and highlight the importance of considering both the remotely generated internal tides and the subtidal dynamics to estimate internal tide energetics.
机译：本研究使用原始方程模型研究了潮汐环流对菲律宾海中M_2内潮的产生和传播的影响。发现吕宋海峡的正压向斜压转换是变化的，这是由于生成地点的背景环流变化以及来自马里亚纳弧线的远距离内部潮汐的变化影响。远程产生的波的变化影响既是由于马里亚纳弧上的发电能级变化，也包括内部潮汐在菲律宾海中的传播变化。深度积分斜压能量通量的大小和方向由于产生，传播和耗散的变化而随时间变化。吕宋海峡附近内部潮汐传播的空间格局受海峡东部和西部中尺度涡旋位置的影响。结果提供了对斜压潮汐变化机制的洞察力，并强调了考虑远程产生的内潮和潮下动力学来估算内潮能量的重要性。

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