兴化湾及周边海域潮流动力特征与数值模拟研究

摘要

Based on the ocean current observation data of the XingHua bay and the surrounding waters, we applied the tidal current quasi harmonic analysis method for short current data to analyze the continuous flow velocity and direction data and discuss the characteristics of tidal current in this sea area. Finally, in view of the complex coastline with numerous islands, an unstructured triangular mesh tidal dynamic numerical model covering the XingHua bay and the surrounding waters was established based on the FVCOM (Finite volume coastal ocean model) . Verification results showed that this model could simulate the process characteristics of elevation and current well and accurately reflecting the flow field characteristics. This study can provide scientific basis for environmental protection and exploitation in this area.%基于2011年兴化湾及周边海域的流速、流向的观测资料,应用短期资料的潮流准调和分析方法,对海流周日连续观测数据进行分析,探讨海域潮流特征.最后,针对兴化湾岸线复杂、岛屿众多的特点,基于FVCOM数值模式,采用非结构三角形网格,建立兴化湾及周边海域潮流动力数值模型,经实测站潮汐、潮流数据对模拟结果验证,模型能够较好的刻画各测站潮汐、潮流过程特点,反映研究海域流场特征规律,可为该海域海洋环境保护和海洋开发利用提供科学论证依据.