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2010•Journal of Waterway and HarborRequires access

Study on schemes between Niyu and Xiaoniyu in phase II deposit-promoting project of Wenzhou Shoal

LI Meng-guo

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Abstract

In this paper,tidal current and sediment mathematical models of the Oujiang estuary were developed based on TK-2D software.On the basis of sufficient verification against in situ data,studies were carried out on different schemes between Niyu and Xiaoniyu in phase II deposit-promoting project of Wenzhou Shoal,and comparisons were also made from the point of view of deposit-promoting effect.The study results show that,according to the comparison of the schemes with and without submerged dyke between Niyu and Xiaoniyu, the deposit-promoting effect is not obvious with only 0.04 m increase in thickness and only 2.29 ×106 m3 in sediment quantity.

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What this paper is about

In this paper,tidal current and sediment mathematical models of the Oujiang estuary were developed based on TK-2D software.On the basis of sufficient verification against in situ data,studies were carried out on different schemes between Niyu and Xiaoniyu in phase II deposit-promoting project of Wenzhou Shoal,and comparisons were also made from the point of view of deposit-promoting effect.The study results show that,according to the comparison of the schemes with and without submerged dyke between Niyu and Xiaoniyu, the deposit-promoting effect is not obvious with only 0.04 m increase in thickness and only 2.29 ×106 m3 in sediment quantity.

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Available abstract

In this paper,tidal current and sediment mathematical models of the Oujiang estuary were developed based on TK-2D software.On the basis of sufficient verification against in situ data,studies were carried out on different schemes between Niyu and Xiaoniyu in phase II deposit-promoting project of Wenzhou Shoal,and comparisons were also made from the point of view of deposit-promoting effect.The study results show that,according to the comparison of the schemes with and without submerged dyke between Niyu and Xiaoniyu, the deposit-promoting effect is not obvious with only 0.04 m increase in thickness and only 2.29 ×106 m3 in sediment quantity.

Key concepts: Shoal, Sediment, Estuary, Tidal current, Geology, Current (fluid), Point (geometry), Environmental science

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