| 长江口铜沙老航槽自然回淤的初步分析 |
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| 引用本文： | 顾伟浩,姚金元,袁金林,曾守源.长江口铜沙老航槽自然回淤的初步分析[J].海洋科学,1984,8(5):11-14. |
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| 作者姓名： | 顾伟浩 姚金元 袁金林 曾守源 |
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| 作者单位： | 上海航道局设计研究所
(顾伟浩，姚金元，袁金林)，上海航道局设计研究所(曾守源) |
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| 摘 要： | 研究人工航槽的自然回淤规律和回淤上的特性变化,对航道进行合理的疏浚和维护具有重要的现实意义。本文试图就长江口铜沙老航槽自然回淤作初步分析。 一 长江口铜沙航槽于1982年2月将铜沙航槽Ⅱ、Ⅲ、Ⅳ区向南平移了800米,遂将原来的Ⅱ、Ⅲ、Ⅳ区废弃(见图1)。
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A PRELIMINARY ANALYSIS OF NATURAL SILTATION OF ABANDONED TONGSHA CHANNEL IN YANGTZE RIVER ESTUARY |
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| Abstract: | This paper describes the natural siltation process of the abandoned Tongsha channel, of which sectors II, III, and IV may be considered as having two different siltation patterns, the former resulting from Giuduan Bank southward migration and the latter being the cause of fresh water-salt water density current. And corresponding empirical formulas are given for estimation of siltation rates using survey comparisons. The above mentioned formulas can be used to determine siltation rate of the existing Tongsha dredged channel. |
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