中文摘要：

海冰的大规模开采会导致周围水体的盐分增加。本文基于ECOMSED模式，建立了渤海潮流驱动下的盐分扩散模式，来定量的分析渤海结冰期增量盐分的扩散情况。结果表明，渤海的三个湾中，莱州湾的盐分交换能力最强，渤海湾次之，辽东湾的盐分交换能力最弱。渤海中部海域通过与三个湾的水交换，对抑制冰区盐度升高具有重要作用。通过渤海海峡，渤海有向外海输出的净盐通量。

英文摘要：

The salinity in sea water will increase when sea ice are exploited extensively. Based on the ECOMSED model, a salinity diffusion model driven by tides was constructed to analyze the diffusion of the increased salinity quantitatively during ice freezing period in the Bohai Sea. The results showed that the ability of salinity exchange is the strongest in the Laizhou Bay. The ability in the Bohai Bay is weaker than in the Laizhou Bay and is the weakest in the Liaodong Bay. The salinity in the central Bohai Sea plays an important role in restraining the salinity of the ice freezing area through the water exchange with the three bays. There is a net salinity flux from the Bohai Strait to the outer sea area.