... of the lower section of North Channel continues to extend to the sea. For the north boundary is open and the pressure of northward increases, the ebb tidal current in the lower section of the north port shows signs of northward deviation and the main trough near the entrance to the sea is silted...

... area Main trough Deep area Main trough Shoal area 6) (Li, 2003). At neap tide, the scope of separation is narrowed, only (finer sediment) (finer sediment) between stations Q5 and Q6 (Li, 2003). In spring tide, the lower water (flood dominance) (coarser sediment) (edd dominance) body in the west...