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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >An approach to parameterization of the oceanic turbulent boundary layer in the western Pacific warm pool
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An approach to parameterization of the oceanic turbulent boundary layer in the western Pacific warm pool

机译：西太平洋暖池中海洋湍流边界层参数化的一种方法

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Vertical profiles of zonal velocity and the dissipation rate epsilon of the turbulent kinetic energy obtained during the Tropical Ocean-Global Atmosphere Coupled Ocean-Atmosphere Response Experiment (COARE) are analyzed in the context of planetary boundary layer relationships previously derived from atmospheric measurements. The presence of a barrier layer and the striking effect of increased dimensionless shear and epsilon at the bottom of the surface mixed layer of the ocean, features often observed in the western Pacific warm pool area, are consistent with the boundary layer laws. The gradient Richardson number Ri is found to be a convenient parameter for scaling the nonstationary and horizontally heterogeneous mixed layer in the warm pool area. The approach to parameterization of the turbulent eddy coefficient within the mixed layer as a function of Ri is tested as part of a one-dimensional model. A comparison between the observed and modeled upper ocean temperatures for two COARE examples shows a reasonable agreement over a wide range of wind speed conditions. [References: 71]
机译：在先前从大气测量得出的行星边界层关系的背景下，分析了热带海洋-全球大气耦合海洋-大气响应实验（COARE）期间获得的纬向速度的垂直剖面和湍动能的耗散率ε。在西太平洋暖池区经常观察到的特征是，在海洋表层混合层的底部存在屏障层，并增加了无量纲的剪切力和ε的打击作用，这与边界层定律是一致的。发现梯度Richardson数Ri是缩放暖池区域中非平稳和水平非均匀混合层的方便参数。作为一维模型的一部分，测试了将混合层内湍流涡流系数参数化为Ri的方法。对于两个COARE实例，观测到的海洋高模型温度与模拟海洋高模型温度之间的比较表明，在大范围的风速条件下都具有合理的一致性。 [参考：71]

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