论文部分内容阅读
本文基于有限体积方法的海洋数值模式FVCOM,对渤、黄海M2分潮潮汐、潮流进行数值模拟。模式水平采用不规则三角形网格,较好地拟合曲折岸线并提高近岸海域的网格分辨率;底摩擦采用数值模式同化结果,较真实的反应了海底实际底摩擦状况;采用干/湿处理模块,可以较好模拟近岸的潮汐潮流。通过沿岸19个验潮站M2分潮潮汐调和常数的实测值与计算值的对比,振幅平均误差为5.6 cm,位相平均误差为6.1(°),模拟值与实测值较为接近。表层潮流椭圆的分布,基本反映了渤海及黄海北部的潮流特征。
In this paper, based on the finite volume method (FVCOM), the tide and tide of M2 tide in the Bohai Sea and the Yellow Sea are numerically simulated. The irregular horizontal grids are used in the model level to better fit the meandering shoreline and improve the grid resolution in coastal waters. The bottom friction adopts the numerical model assimilation result, which realistically reflects the actual bottom friction condition of the seabed. Wet processing module, can better simulate the coastal tide tide. By comparing the measured and calculated values of harmonic tidal constants of M2 tide at 19 tide gauge stations along the coast, the average amplitude error is 5.6 cm and the average phase error is 6.1 (°), and the simulated and measured values are close to each other. The distribution of the surface tidal current ellipse basically reflects the tidal current characteristics in the Bohai Sea and northern Yellow Sea.