The calculation of flood discharge as the collapse of a dyke of small and middle rivers;

It indicates that crevasse channel is a kind of very narrow and shallow short range small channel with a fixed path which is formed among wide ranged channels by the major channel after the avulsion crevasse in a fluvial and deltic sedimentary.

Causation and countermeasure for breach of embankment strengthened with warping for Yellow River dyke;