| 三峡水库对长江河口北支咸潮倒灌影响探讨 |
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| 引用本文： | 唐建华,赵升伟,刘玮祎,陶静,缪世强.三峡水库对长江河口北支咸潮倒灌影响探讨[J].水科学进展,2011,22(4):554-560. |
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| 作者姓名： | 唐建华 赵升伟 刘玮祎 陶静 缪世强 |
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| 作者单位： | 长江勘测规划设计研究院上海分院 上海 200439 |
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| 基金项目： | 上海市科学技术委员会重大研究资助项目(08231200100); 长江勘测规划设计研究院科研与技术创新资助项目(CX200830)~~ |
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| 摘 要： | 为了解三峡水库的运行对长江河口北支咸潮倒灌的影响,对三峡水库初步运行前后北支咸潮倒灌的变化进行了分析.结果表明:三峡水库运行后,受水库下泄水量变化影响,北支咸潮倒灌时间提前,10~11月咸潮倒灌强度增加,12月至次年4月倒灌强度减弱,咸潮倒灌强度的降幅小于增幅;在咸潮倒灌最为严重和长江口淡水利用最为重要的1~4月,水库的实际运行所引起的北支咸潮倒灌减弱的幅度并不大;三峡水库的实际运行使得北支咸潮倒灌的强度在各月重新分配,但对一年中整个咸潮期咸潮倒灌的总强度影响不大;水库运行后,北支极端咸潮倒灌的强度降低,这对提高长江口水源地的供水安全及保证率有利.
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| 关 键 词： | 三峡水库 长江 河口 盐水 入侵 |
| 收稿时间： | 2010-09-25 |
Influences of Three Gorges Reservoir on salt water intrusion from the north branch to the south branch of the Yangtze River estuary |
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| TANG Jian-hua,ZHAO Sheng-wei,LIU Wei-yi,TAO Jing,MIAO Shi-qiang.Influences of Three Gorges Reservoir on salt water intrusion from the north branch to the south branch of the Yangtze River estuary[J].Advances in Water Science,2011,22(4):554-560. |
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| Authors: | TANG Jian-hua ZHAO Sheng-wei LIU Wei-yi TAO Jing MIAO Shi-qiang |
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| Affiliation: | Changjiang Institute of Survey, Planning, Design and Research, Shanghai Branch, Shanghai 200439, China |
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| Abstract: | To investigate the influence of the operation of the Three Gorges Reservoir(TGR) on the salt water intrusion(SWI) from the North Branch(NB) to the South Branch(SB) of the Yangtze River estuary(YRE),a study was conducted by analyzing salinity observations before and after the TGR operation.The results indicate that SWI from the NB of the YRE started earlier in a typical year;the intensity of SWI increased from October to November,while it reduced from December to April of the next year due to the operation o... |
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| Keywords: | Three Gorges Reservoir Yangtze River estuary salt water intrusion |
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