渭河下游泥沙颗粒级配变化特点分析

Analysis of the Changing Characteristics of Sand Grading in Downstream of Weihe River

通过对1960至1990年不同时期渭河下游干支流主要控制站悬移质泥沙颗粒级配的分析，总结出了该时期内泥沙颗粒级配的变化特点，从而为渭河下游防洪治理决策提供一定的依据。

According to the comparing with the sand grading changing in different times and different controlling points in downstream of Weihe River, the characteristics of the sand grading was put forward, which may be helpful to the decision-making of the projects of flood prevention in downstream of Weihe River.