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该文通过分析磨刀门水道咸潮上溯实测资料,揭示了该水道咸潮运动规律及上溯机理,认为潮汐动力与咸潮运动密切相关,盐度梯度力是促进水道内咸潮上溯的主要动力,径流是抑制咸潮上溯的主要动力,咸淡水混合状态随潮差变化而变化,径流下泄形式以及对咸潮的作用效果也随之变化,由此得出调水压咸的合适时机。
By analyzing the measured data of salt water surge upstream of Shaodao Men watercourse, this paper reveals the regularity of saltwater movement and its tracing mechanism. It is concluded that the tidal dynamic is closely related to the saltwater movement. The salinity gradient force is the main force to promote the upstream salinity in the watercourse , And runoff is the main driving force to suppress the upstream of salt water. The mixed state of fresh and brackish water changes with the change of tidal range. The type of runoff discharge and the effect of saltwater tidal flow also change accordingly.