长江口潮流速垂线分布规律研究

Study on Vertical Distribution of Yangtze Estuary Tidal Velocity

河道中流速沿垂线的分布规律是研究许多河床动力学问题的关键。长江口潮流河段涨、落潮流垂线流速分布有其特殊规律,因此根据长江口实测水流流速资料,分析流速垂线分布的规律性具有重要意义。本文通过对长江口的实例运用对数线性扩展分布模式计算分析,并与传统的对数分布模式进行比较,结果表明,对数线性扩展分布模式在各层数据上都与实测数据具有更好的相关性。

Study on the flow velocity distribution along the vertical line is the key of many riverbed kinetics.The fluctuation of Yangtze estuary tidal reach has its special rule.Therefore,according to the measured data of Yangtze estuary flow velocity,it is significant to analyze the regular of vertical distribution.The extended log-linear distribution pattern was analyzed,and the traditional distribution mode was compared.The results show that the extended log-linear model has better correlation and consistency with measured data in various layers.