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首页> 外文期刊>Journal of Physical Oceanography >Inverse Modeling of One-Dimensional Setup and Alongshore Current in the Nearshore
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Inverse Modeling of One-Dimensional Setup and Alongshore Current in the Nearshore

机译：一维设置和近岸近岸流的逆向建模

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摘要

Inverse models are developed that use data and dynamics to estimate optimally the breaking-wave-driven setup and alongshore current, as well as the cross-shore forcing, alongshore forcing, and drag coefficient. The inverse models accurately reproduce these quantities in a synthetic barred-beach example. The method is applied to one case example each from the Duck94 and SandyDuck field experiments. Both inverse solutions pass consistency tests developed for the inverse method and have forcing corrections similar to a roller model and significant cross-shore variation of the drag coefficient. The inverse drag coefficient is related to the wave dissipation, a bulk measure of the turbulence source, but not to the bed roughness, consistent with the hypothesis that breaking-wave-generated turbulence increases the drag coefficient. Inverse solutions from a wider range of conditions are required to establish the generality of these results.
机译：开发了使用数据和动力学的逆模型，以最佳方式估算破波驱动的装置和沿岸电流，以及跨岸强迫，沿岸强迫和阻力系数。逆模型在合成禁止海滩示例中准确地再现了这些数量。该方法分别应用于Duck94和SandyDuck现场实验的一个案例。两种反解都通过了针对反演方法开发的一致性测试，并且具有与滚子模型相似的强迫校正和阻力系数的显着跨岸变化。逆阻力系数与波耗散有关，波耗散是湍流源的整体度量，但与床的粗糙度无关，这与断波产生的湍流会增加阻力系数的假设一致。为了确定这些结果的一般性，需要从更广泛的条件中求逆。

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