黄河宁蒙段河道粗细双组分泥沙分选沉积特征
郑玉峰, 贾晓鹏, 王远征

Selective deposition of coarse and fine sediments in the Ningxia-Inner Mongolia reach of the Yellow River
Yufeng Zheng, Xiaopeng Jia, Yuanzheng Wang
表1 黄河宁蒙河道河床泥沙粗泥沙含量(%
Table 1 Percentage content of coarse sediment in riverbed of Ningxia-Inner Mongolia reach of the Yellow River
河  段

粒径

/mm

位置

河心滩钻孔

HC(0—300或450 cm)

河心滩表层

SF(0—50 cm)

河心滩表层以下

SB(100—300或450 cm)

河东沙地河段>0.163.7627.8173.04
>0.0875.2839.6284.29
>0.0591.174.5895.0
乌兰布和沙漠河段>0.168.0858.7374.16
>0.0881.4072.6187.25
>0.0592.988.7395.94
巴彦高勒-三湖河口河段>0.149.6533.055.25
>0.0864.3746.0370.2
>0.0584.0068.6388.38
十大孔兑河段>0.127.9317.4930.99
>0.0852.836.8057.09
>0.0585.7272.8988.81