Onthe basis of drilliog data and comparison between the topographic,maps for the in-sith investigation and various periods,the formation and evolution on geomor- phology of Yalu river mouth is described for the first time.

• 根据钻孔资料、实地调查和不同时期的地形图对比；首次阐述了鸭绿江河口地貌的形成和演变.