...河床淤积；水位抬高。 [gap=1507]Key words relationship between river and lake, increase of peak discharge, deposition of river bed, rising of stage.
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The basic reason of these abnormal phenomenas is caused by hyper-sediment concentration, severe deposition of the channel and obviously increased the river bed.
发生这些异常现象的根本原因是，本次洪水的含沙量大以及近几年河道淤积严重、河床明显抬高。
Sanmenxia storehouse district has brought a series of questions to the Shaanxi Guanzhong area flood prevention security Because of vast sediment deposition, large scale river bed lifting.
三门峡库区由于泥沙大量淤积，河床大幅度抬升，对陕西关中地区的防洪保安带来了一系列问题。
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