Advance in the research on water exchange in the sea area

As an important topic of marine environment research, seawater exchange research is helpful to assessment of marine environmental quality and the research of marine ecological changing mechanism of artificial reefs area. In this paper, the advances in the research on seawater exchange ability were summarized. The water exchange models and methods were analyzed and compared, and the research hot spot and tendency of water exchange in the field of embayment and artificial reefs in the future were discussed.