NUMERICAL SIMULATION ON THE EFFECTS OF PUMPING SEA WATER TO SCOUR THE LOWER REACH ON THE YELLOW RIVER MOUTH

摘要

In order to mitigate the sedimentation of the lower reach and to stop the outward extension of the river mouth of the Yellow River, a new way has been proposed, that is, pumping sea water to a reservoir near Lijin, and using it to scour the lower reach. The velocity distribution and sedimentation as well as density flow of the Yellow River Mouth have been calculated by a two-dimensional mathematical model. The results show that the new way is effective in increasing flow kinematic energy, developing density flow, and relieving sedimentation of the Yellow River Mouth.