甬江河床演变趋势探析

An Explorative Analysis on the Evolution Trend of the River Bed in Yongjiang River

介绍甬江河道的基本概况和来水来沙条件,概述河道的历史和近期演变情况,对2006—2012年甬江河道断面的实测数据进行分析,结果表明甬江河道处于缓慢淤积的状态。为保障甬江河道行洪畅通,需要开展甬江河道的常态清淤,并加强对违规泥沙排放的有效监管。

This article introduced the basic situations and the incoming water and sediment conditions of Yongjiang fiver channel, as well as its history and recent evolutions. Through the measured data analysis of Yongjiang fiver channel section during 2006 to 2012, the result showed that the channel was experiencing slow sedimentation. To guarantee the flood carrying capacity of Yongjiang fiver channel, it is necessary to implement regular silt removal in the channel and strengthen effective supervision of illegal sediment discharge.