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This article comprehensively considers hydrogeological and meteorological conditions, including topography, tides, runoff, and wind. Integrating factors such as ship lock operation rules and tidal dynamic parameters, a two-dimensional tidal salinity model is established. The study further conducts computational analyses on the desalination effects of various pump operation processes in the newly constructed ship lock on the estuary. The results show that during the ship lock operation, saltwater plumes can enter inland rivers through tidal dynamics and accumulate on one side of the ship lock, leading to upstream propagation. In addition, high saltwater backflow and rapid upstream propagation of saltwater accumulation were observed during high tides. This study also studied the model calculation and analysis of anti-salt pump stations of different scales and operating processes, providing theoretical basis and technical support for engineering design plans.

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Analysis of the Saltwater Intrusion Prevention Effect of Pump for Ship Locks in the Estuary

  • 章节

  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • He Wang,
  • Chihong Li,
  • Yazhou Hu,
  • Jing Zheng,
  • Hong Chen

摘要

This article comprehensively considers hydrogeological and meteorological conditions, including topography, tides, runoff, and wind. Integrating factors such as ship lock operation rules and tidal dynamic parameters, a two-dimensional tidal salinity model is established. The study further conducts computational analyses on the desalination effects of various pump operation processes in the newly constructed ship lock on the estuary. The results show that during the ship lock operation, saltwater plumes can enter inland rivers through tidal dynamics and accumulate on one side of the ship lock, leading to upstream propagation. In addition, high saltwater backflow and rapid upstream propagation of saltwater accumulation were observed during high tides. This study also studied the model calculation and analysis of anti-salt pump stations of different scales and operating processes, providing theoretical basis and technical support for engineering design plans.