| 水利工程对汉江中下游水文生态的影响 |
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| 引用本文： | 胡安焱,张自英,王菊翠.水利工程对汉江中下游水文生态的影响[J].水资源保护,2010,26(2):5-9. |
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| 作者姓名： | 胡安焱 张自英 王菊翠 |
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| 作者单位： | 1. 长安大学环境科学与工程学院,陕西,西安,710054;武汉大学水资源与水电工程科学国家重点实验室,湖北,武汉430072
2. 长安大学环境科学与工程学院,陕西,西安,710054 |
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| 基金项目： | 陕西省自然科学基金，水资源与水电工程科学国家重点实验室开放研究基金 |
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| 摘 要： | 主要采用1980年以前的数据资料,分析丹江口水库建成后对汉江中下游径流量、泥沙、水温、水质、鱼类等的影响。结果表明:水库运行使汉江中下游水量减少,流量过程均化;防洪能力提高;泥沙大量减少;汛期水温降低;鱼类资源减少;水质没有明显的变化。汉江中下游水质恶化和发生水华的主要原因是污染增加。南水北调中线工程建成运行后,汉江中下游江段流量将比现状大幅度减少,流速变缓,对水污染的稀释自净能力降低,生态环境可供水量不足,使水文生态朝着不利的方向发展。
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| 关 键 词： | 水利工程 汉江 丹江口水库 水文生态 |
| 修稿时间： | 2010/4/6 0:00:00 |
Impact of hydraulic engineering on hydro-ecology in middle and lower reaches of Hanjiang River |
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| HU An-yan,ZHANG Zi-ying,WANG Ju-cui.Impact of hydraulic engineering on hydro-ecology in middle and lower reaches of Hanjiang River[J].Water Resources Protection,2010,26(2):5-9. |
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| Authors: | HU An-yan ZHANG Zi-ying WANG Ju-cui |
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| Affiliation: | HU An-yan1,2,ZHANG Zi-ying1,WANG Ju-cui1(1.School of Environmental Science , Engineering,Chang\'an University,Xi\'an 710054,China,2.State Key Laboratory of Water Resources , Hydropower Engineering Science,Wuhan University,Wuhan 430072,China) |
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| Abstract: | According to observed data before 1980,the impacts of the operation of Danjiangkou Reservoir on runoff,sediment,water temperature,water quality,and fish were studied.The results showed that the operation of the reservoir had reduced water quantity and homogenized annual runoff distribution,improved the flood control level,reduced sediment and water temperature during the flooding period,and reduced fish resources,and had no apparent influnce on water quality.The reason for worsening water quality and algal ... |
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| Keywords: | hydraulic engineering Hanjiang River Danjiangkou Reservoir hydroecology |
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