the velocity of single sand and the longitudinal profile of sedimentation before and after the vegetation dam were measured and analyzed.
对植树坝前后单颗粒泥沙运动速度的变化进行了观察,并对植物坝前与坝内的泥沙淤积形态进行了分析。
it is of significance to disclose channel processes and the causes of formation for terrace in practice and theory by studying longitudinal profile of the channel.