Effects of Water and Sediment in Jinghe River on Operation of Canal Head Power Station

WANG Yuan

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Effects of Water and Sediment in Jinghe River on Operation of Canal Head Power Station

- Effects of Water and Sediment in Jinghe River on Operation of Canal Head Power Station
- Bulletin of Soiland Water Conservation Vol. 29, Issue 6, Pages: 166-169(2010)
- 作者机构：
  
  陕西省泾惠渠管理局渠首电站, 陕西泾阳,713800
- 作者简介：
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- Published：2010
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WANG Yuan. Effects of Water and Sediment in Jinghe River on Operation of Canal Head Power Station[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 166-169.
DOI：

WANG Yuan. Effects of Water and Sediment in Jinghe River on Operation of Canal Head Power Station[J]. Bulletin of Soiland Water Conservation, 2010, 29(6): 166-169. DOI：

摘要

针对泾河河流含沙量高

电站运行工况复杂的实际情况

通过分析泾河干流(电站取水口)1994—2009年水文数据

研究了泾河来水来沙变化特点及对电站运行的影响。结果表明

在强烈的区域水土保持措施的作用下

泾河近16a来年径流量和输沙量均呈明显下降趋势;河道来水来沙年内分布极不均匀

汛期来水来沙分别占全年来水来沙量的64.6%和92.6%

尽管来沙量减少但汛期河水含沙量仍然很高。针对泾河来水来沙变化特点

进一步探讨了泾河来水来沙对电站运行的影响

并初步给出了高含沙条件下几种保证电站正常运行的对策。

Abstract

In consideration of the high sediment concentration in Jinghe River and the complexity of the power station operation

the characteristics of water and sediment in Jinghe River and their effects on power generation were studied by analyzing the hydrological data of water intake of power station from 1994 to 2009.Results showed that annual runoff and sediment yield presented a significant trend of decrease

which was closely related to the construction of soil and water conservation in Jinghe River basin.Runoff and sediment were unevenly distributed during a year

mainly in the flood season

and the amounts accounted for 64.6% and 92.6% of the whole year

respectively.However

sediment concentration in flood season was still high.Based on the change characteristics of water and sediment in Jinghe River

the effects of water and sediment on power generation were further discussed and several countermeasures ensuring the normal operation of the power station under high sediment concentration were preliminarily given.

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Related Institution

College of Geography and Environmental Science, Northwest Normal University

The Work Team of Soil and Water Conservation of Yan’an CityYan’anShaanxi 716000China

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Bureau of Soil and Water Conservation of Shaanxi ProvinceXi’anShaanxi 712100China

Yulin CollegeYulinShaanxi 719000China

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