The pebble ripples and riverbed development of Shaojibei rapids were analyzed based on the measured data,the explorative data,and the regulation projects of past years.

• 根据筲箕背滩的多年实测资料、现场踏勘资料,结合历年整治方案,分析筲箕背滩卵石沙波形态以及碍航特征。