| 三峡水库建成后荆南三口洪道及洞庭湖淤积概算 |
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| 引用本文： | 王崇浩 韩其为. 三峡水库建成后荆南三口洪道及洞庭湖淤积概算[J]. 水利水电技术, 1997, 28(11): 16-20 |
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| 作者姓名： | 王崇浩 韩其为 |
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| 作者单位： | 中国水利水电科学研究院 |
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| 摘 要： | 根据荆南三口洪道的三角洲冲淤特性，引入了计算河道三角洲淤积的平衡坡除法，概算了三峡水库建咸后的82年内荆南三口洪道的冲淤量、冲淤厚度等．并根据洞庭湖的淤积曲线和入湖泥沙数量计算了洞庭湖湖区泥沙淤积量，简单分析了三峡水库对洞庭湖减淤和防洪的积极作用．
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| 关 键 词： | 三峡水库 平衡坡降法 冲淤 分流洪道 有效库容 |
Estimate of Aggregation and Degradation in the Dongting Lake and the Flood Diversion Channels of the Jingjiang River after the Three Gorges Reservoir Being Built |
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| Wang Chonghao, Han Qiwei. Estimate of Aggregation and Degradation in the Dongting Lake and the Flood Diversion Channels of the Jingjiang River after the Three Gorges Reservoir Being Built[J]. Water Resources and Hydropower Engineering, 1997, 28(11): 16-20 |
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| Authors: | Wang Chonghao Han Qiwei |
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| Affiliation: | China Institute of Water Resources and Hydropower Research |
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| Abstract: | In this paper, the first method to determining channel's equilibrium slope was introduced. And by this method, the aggregation and degradation in the five flood diversion channels of the Jingjiang River had been estimated after the Three Gorges Reservoir being built.Then, analyzing the sedimentation data, the variation law of the Dongting Lake was inducted. Itis expounded that the Three Gorges Reservoir would conduce to reduce degradation volume of theDongting Lake and to accrue its effective storage. |
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| Keywords: | method of equilibrium channel's slope aggregation and degradation flood diversion channels effective storage the Three Gorges Reservoir |
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