三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响

张明; 冯小香; 刘哲; 李维娟

doi:10.14042/j.cnki.32.1309.2015.03.013

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三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响

张明, 冯小香, 刘哲, 李维娟

文章导航 > 水科学进展 > 2015 > 26(3): 423-431

张明, 冯小香, 刘哲, 李维娟. 三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响[J]. 水科学进展, 2015, 26(3): 423-431. doi: 10.14042/j.cnki.32.1309.2015.03.013

引用本文:

张明, 冯小香, 刘哲, 李维娟. 三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响[J]. 水科学进展, 2015, 26(3): 423-431. doi: 10.14042/j.cnki.32.1309.2015.03.013

ZHANG Ming, FENG Xiaoxiang, LIU Zhe, LI Weijuan. Impact on Dongting Lake channel caused by the change of flow and sediment environment after Three Gorges Project impoundment[J]. Advances in Water Science, 2015, 26(3): 423-431. doi: 10.14042/j.cnki.32.1309.2015.03.013

Citation:

ZHANG Ming, FENG Xiaoxiang, LIU Zhe, LI Weijuan. Impact on Dongting Lake channel caused by the change of flow and sediment environment after Three Gorges Project impoundment[J]. Advances in Water Science, 2015, 26(3): 423-431. doi: 10.14042/j.cnki.32.1309.2015.03.013

三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响

doi: 10.14042/j.cnki.32.1309.2015.03.013

1.
交通运输部天津水运工程科学研究所工程泥沙交通行业重点实验室, 天津 300456;
2.
湖南省交通规划勘察设计院, 湖南长沙 410008

基金项目: 交通运输重大科技专项资助项目(201132822430);交通运输建设科技项目(20113280001570)

详细信息

作者简介:
张明(1981—),男,河南信阳人,助理研究员,主要从事动力地貌、遥感应用及港航工程研究。E-mail:kfzhangming@163.com

中图分类号: TV14

Impact on Dongting Lake channel caused by the change of flow and sediment environment after Three Gorges Project impoundment

1.
Tianjin Research Institute for Water Transport Engineering, Key Laboratory of Engineering Sediment, Ministry of Transport, Tianjin 300456, China;
2.
Hunan Provincial Communications Planning, Survey and Design Institute, Changsha 410008, China

摘要: 江湖关系变化是影响洞庭湖水文泥沙环境的重要因素,关系到湖区航运的安全。以实测水文及地形数据为基础,研究了洞庭湖区水沙环境的变化特征,并分析了其对湖区航道的影响。结果表明:① 三峡蓄水后,枯季湖区月均流量趋于减少,湖区淤积减缓甚至出现冲刷,枯水期湖口低水位有所上升,湖面比降趋于降低;② 受来沙减少影响,湖区航道有所冲刷,湖口低水位上升使得湖区通航保证率水位有一定幅度上升,航道水深增加,三峡蓄水初期江湖关系变化对湖区航道的影响总体为积极因素,对湖区湘江航道的影响要大于开湖航道。
- 水沙环境变化 /
- 江湖关系 /
- 湖区航道 /
- 洞庭湖 /
- 三峡工程
Abstract: The change of river-lake relation is one of the most important factors affecting the flow and sediment environment in the Dongting Lake area. This has a great influence on the safety and development of lake shipping. On the basis of the hydrological and topographical field data, this paper studies the variation in the characteristics of the water-silt environment and then analyzes its influence on the lake channel. The following results were observed that after the project impoundment: ① The mean monthly discharge in dry seasons tends to decrease, the siltation in the lake area slows down and even scours, the low water level at the lake outlet rises to a certain extent, the water surface gradient in the lake tends to decrease; ② The decrease of incoming sediment causes the channel incision, and the rise of low water level at the lake outlet increases the channel water level, the channel is therefore deepened. The river-lake relation is overall positive factor for the lake channel and the benefits for the Xiangjiang channel are more than that for the Kaihu channel.
- change of flow and sediment environment /
- river-lake relation /
- lake channel /
- Dongting Lake /
- Three Gorges Project

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三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响

doi: 10.14042/j.cnki.32.1309.2015.03.013

1. 交通运输部天津水运工程科学研究所工程泥沙交通行业重点实验室, 天津 300456;

2. 湖南省交通规划勘察设计院, 湖南长沙 410008

基金项目: 交通运输重大科技专项资助项目(201132822430);交通运输建设科技项目(20113280001570)

作者简介:
张明(1981—),男,河南信阳人,助理研究员,主要从事动力地貌、遥感应用及港航工程研究。E-mail:kfzhangming@163.com

收稿日期: 2014-10-29
刊出日期: 2015-05-25

中图分类号: TV14

关键词:

洞庭湖 /

摘要: 江湖关系变化是影响洞庭湖水文泥沙环境的重要因素,关系到湖区航运的安全。以实测水文及地形数据为基础,研究了洞庭湖区水沙环境的变化特征,并分析了其对湖区航道的影响。结果表明:① 三峡蓄水后,枯季湖区月均流量趋于减少,湖区淤积减缓甚至出现冲刷,枯水期湖口低水位有所上升,湖面比降趋于降低;② 受来沙减少影响,湖区航道有所冲刷,湖口低水位上升使得湖区通航保证率水位有一定幅度上升,航道水深增加,三峡蓄水初期江湖关系变化对湖区航道的影响总体为积极因素,对湖区湘江航道的影响要大于开湖航道。

English Abstract

Impact on Dongting Lake channel caused by the change of flow and sediment environment after Three Gorges Project impoundment

1. Tianjin Research Institute for Water Transport Engineering, Key Laboratory of Engineering Sediment, Ministry of Transport, Tianjin 300456, China;

2. Hunan Provincial Communications Planning, Survey and Design Institute, Changsha 410008, China

Received Date: 2014-10-29
Publish Date: 2015-05-25

Keywords:

change of flow and sediment environment /
river-lake relation /
lake channel /
Dongting Lake /
Three Gorges Project

Abstract: The change of river-lake relation is one of the most important factors affecting the flow and sediment environment in the Dongting Lake area. This has a great influence on the safety and development of lake shipping. On the basis of the hydrological and topographical field data, this paper studies the variation in the characteristics of the water-silt environment and then analyzes its influence on the lake channel. The following results were observed that after the project impoundment: ① The mean monthly discharge in dry seasons tends to decrease, the siltation in the lake area slows down and even scours, the low water level at the lake outlet rises to a certain extent, the water surface gradient in the lake tends to decrease; ② The decrease of incoming sediment causes the channel incision, and the rise of low water level at the lake outlet increases the channel water level, the channel is therefore deepened. The river-lake relation is overall positive factor for the lake channel and the benefits for the Xiangjiang channel are more than that for the Kaihu channel.

张明, 冯小香, 刘哲, 李维娟. 三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响[J]. 水科学进展, 2015, 26(3): 423-431. doi: 10.14042/j.cnki.32.1309.2015.03.013

引用本文:

张明, 冯小香, 刘哲, 李维娟. 三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响[J]. 水科学进展, 2015, 26(3): 423-431. doi: 10.14042/j.cnki.32.1309.2015.03.013

Citation:

ZHANG Ming, FENG Xiaoxiang, LIU Zhe, LI Weijuan. Impact on Dongting Lake channel caused by the change of flow and sediment environment after Three Gorges Project impoundment[J]. Advances in Water Science, 2015, 26(3): 423-431. doi: 10.14042/j.cnki.32.1309.2015.03.013

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三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响

doi: 10.14042/j.cnki.32.1309.2015.03.013

作者简介: 张明(1981—),男,河南信阳人,助理研究员,主要从事动力地貌、遥感应用及港航工程研究。E-mail:kfzhangming@163.com

Impact on Dongting Lake channel caused by the change of flow and sediment environment after Three Gorges Project impoundment

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出版历程

三峡蓄水后洞庭湖水沙环境变化对湖区航道的影响

doi: 10.14042/j.cnki.32.1309.2015.03.013

1. 交通运输部天津水运工程科学研究所工程泥沙交通行业重点实验室, 天津 300456; 2. 湖南省交通规划勘察设计院, 湖南长沙 410008

作者简介: 张明(1981—),男,河南信阳人,助理研究员,主要从事动力地貌、遥感应用及港航工程研究。E-mail:kfzhangming@163.com

English Abstract

Impact on Dongting Lake channel caused by the change of flow and sediment environment after Three Gorges Project impoundment

1. Tianjin Research Institute for Water Transport Engineering, Key Laboratory of Engineering Sediment, Ministry of Transport, Tianjin 300456, China; 2. Hunan Provincial Communications Planning, Survey and Design Institute, Changsha 410008, China

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作者简介:
张明(1981—),男,河南信阳人,助理研究员,主要从事动力地貌、遥感应用及港航工程研究。E-mail:kfzhangming@163.com

1. 交通运输部天津水运工程科学研究所工程泥沙交通行业重点实验室, 天津 300456;

2. 湖南省交通规划勘察设计院, 湖南长沙 410008

作者简介:
张明(1981—),男,河南信阳人,助理研究员,主要从事动力地貌、遥感应用及港航工程研究。E-mail:kfzhangming@163.com

1. Tianjin Research Institute for Water Transport Engineering, Key Laboratory of Engineering Sediment, Ministry of Transport, Tianjin 300456, China;

2. Hunan Provincial Communications Planning, Survey and Design Institute, Changsha 410008, China