抄録
Small-scale fluvial bed waves such as dunes and antidunes formed on river beds during floods increase the bed resistance, causing rises in water levels. Therefore, it is important to obtain detailed information on the conditions for the formation of bed waves. One of the purposes of this study is to extend the existing linear stability analysis of the formation of small-scale bed waves to the case with active suspended sediment transport. The analysis reveals that the critical Froude number for the formation of dunes is reduced, and the dune formation tends to be inhibited with increasing suspended sediment load.
