Sedimentation Impacts of Incoming Sediment from Different Areas of the Middle Reaches of the Yellow River on Sanmenxia Reservoir and Its Downstream Area

HE Xiao-hui; GAO Ya-jun; LI Xiao-yu; XU Jian-hua

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Sedimentation Impacts of Incoming Sediment from Different Areas of the Middle Reaches of the Yellow River on Sanmenxia Reservoir and Its Downstream Area

- Sedimentation Impacts of Incoming Sediment from Different Areas of the Middle Reaches of the Yellow River on Sanmenxia Reservoir and Its Downstream Area
- Bulletin of Soiland Water Conservation Vol. 27, Issue 6, Pages: 86-89(2008)
- 作者机构：
  
  1. 郑州大学环境与水利学院自然资源与生态环境研究所,河南,郑州,450001
  2. 黄河水利委员会水文局,河南,郑州,450004
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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HE Xiao-hui, GAO Ya-jun, LI Xiao-yu, et al. Sedimentation Impacts of Incoming Sediment from Different Areas of the Middle Reaches of the Yellow River on Sanmenxia Reservoir and Its Downstream Area[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 86-89.
DOI：

HE Xiao-hui, GAO Ya-jun, LI Xiao-yu, et al. Sedimentation Impacts of Incoming Sediment from Different Areas of the Middle Reaches of the Yellow River on Sanmenxia Reservoir and Its Downstream Area[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 86-89. DOI：

摘要

利用输沙量平衡法分析了黄河中游6站来水来沙对库区及下游的淤积作用

利用断面法分析了黄河中游、多沙粗沙区和粗泥沙集中来源区来沙对下游的淤积指标。结果表明

龙门来沙对下游的淤积贡献最大

华县、河津和状头来沙对下游淤积影响较小

而黑石关和武陟来水来沙有利于下游河道的冲刷。通过断面法得出黄河中游、多沙粗沙区以及粗泥沙集中来源区来1.00×10

t泥沙对三门峡库区及下游河道淤积危害分别为2.50×10

2.57×10

和3.29×10

且粒径越粗对下游河道淤积危害越大。

Abstract

The sedimentation impacts of incoming water and sediment from the six observation stations in the middle reaches of the Yellow River on Sanmenxia reservoir and its downstream area are studied by using the sediment discharge balance method. The downstream sedimentation index induced by incoming sediment from the middle reaches of the Yellow River

the area rich in sediment and coarse sand

and the source area dominated by coarse sand are analyzed by using profile method. Results show that incoming sediment from Longmen station has the greatest contribution to sedimentation in the lower reaches; incoming sediment from Huaxian County

Hejin

and Zhuangtou stations has smaller contribution; and incoming water and sediment from H eishiguan and Wuzhi stations are favor of downstream scour. Analysis by profile method indicates that the amounts of sedimentation in Sanmenxia reservoir and its downstream area are 0. 25

0. 257

and 0. 329 hundred million tons for one hundred million tons of sediment from the middle reaches of the Yellow River

the area rich in sediment and coarse sand

and the source area dominated by coarse sand

respectively. The coarser sediment

the greater contribution to downstream sedimentation is.

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