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长江口铜沙老航槽自然回淤的初步分析
顾伟浩1, 姚金元1, 袁金林1, 曾守源1
上海航道局设计研究所
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A PRELIMINARY ANALYSIS OF NATURAL SILTATION OF ABANDONED TONGSHA CHANNEL IN YANGTZE RIVER ESTUARY
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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