Influenced by flood dominated current in the flood channels , the characteristics of surface sediments , such as grain size , light and heavy minerals , micro - paleontology and magnetism in the flood channel are very different from those in the ebb channels , this kind differences is the response for complex hydrodynamic in estuary
2.
Make a comprehensive view of all study results about the flood channel , a model of formation and evolution of the flood channels was proposed . according to this model , not all flood channels formed by ebb channels divided by sand spit develop toward death , some of them may be keeping the current situation or transform to the reserve channel with the change of runoff and sediment concentration from upper reach
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