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首页> 外文期刊>Journal of Physical Oceanography >A Comparison of Mesoscale Eddy Heat Fluxes from Observations and a High-Resolution Ocean Model Simulation of the Kuroshio Extension
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A Comparison of Mesoscale Eddy Heat Fluxes from Observations and a High-Resolution Ocean Model Simulation of the Kuroshio Extension

机译：中尺度涡流通量的观测值与黑潮扩展高分辨率海洋模拟的比较

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摘要

For the first time estimates of divergent eddy heat flux (DEHF) from a high-resolution (0.1°) simulation of the Parallel Ocean Program (POP) are compared with estimates made during the Kuroshio Extension System Study (KESS). The results from POP are in good agreement with KESS observations. POP captures the lateral and vertical structure of mean-to-eddy energy conversion rates, which range from 2 to 10 cm~2 s~(-3). The dynamical mechanism of vertical coupling between the deep and upper ocean is the process responsible for DEHFs in POP and is in accordance with baroclinic instability observed in the Gulf Stream and Kuroshio Extension. Meridional eddy heat transport values are ～14% larger in POP at its maximum value. This is likely due to the more zonal path configuration in POP. The results from this study suggest that HR POP is a useful tool for estimating eddy statistics in the Kuroshio Extension region, and thereby provide guidance in the formulation and testing of eddy mixing parameterization schemes.
机译：首次将来自平行海洋计划（POP）的高分辨率（0.1°）模拟的发散涡流通量（DEHF）估算值与黑潮扩展系统研究（KESS）进行的估算值进行了比较。 POP的结果与KESS的观测结果非常吻合。 POP捕获了平均涡流能量转换率的横向和垂直结构，范围为2到10 cm〜2 s〜（-3）。深海和上层海洋之间垂直耦合的动力学机制是造成POP中DEHF的过程，并且与在墨西哥湾流和黑潮扩展中观测到的斜压不稳定有关。在POP中，子午线涡流的热传递值最大约为14％。这可能是由于POP中的分区路径配置更多。这项研究的结果表明，HR POP是估算黑潮扩展区涡流统计数据的有用工具，从而为涡流混合参数化方案的制定和测试提供指导。

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    《Journal of Physical Oceanography》 |2013年第12期|2563-2570|共8页
  • 作者

    Stuart P. Bishop; Frank O. Bryan;

  • 作者单位

    National Center for Atmospheric Research, Boulder, Colorado,National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307;

    National Center for Atmospheric Research,* Boulder, Colorado;

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