Flood-tide interaction numerical simulation in Minjiang River tidal reach

Fu Cifu; Dong Jianxi; Liu Qiuxing; Yu Fujiang

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Fu Cifu, Dong Jianxi, Liu Qiuxing, Yu Fujiang. Flood-tide interaction numerical simulation in Minjiang River tidal reach[J]. Haiyang Xuebao, 2015, 37(7): 15-21.

Citation:

Fu Cifu, Dong Jianxi, Liu Qiuxing, Yu Fujiang. Flood-tide interaction numerical simulation in Minjiang River tidal reach[J]. Haiyang Xuebao, 2015, 37(7): 15-21.

Fu Cifu, Dong Jianxi, Liu Qiuxing, Yu Fujiang. Flood-tide interaction numerical simulation in Minjiang River tidal reach[J]. Haiyang Xuebao, 2015, 37(7): 15-21.

Citation:

Fu Cifu, Dong Jianxi, Liu Qiuxing, Yu Fujiang. Flood-tide interaction numerical simulation in Minjiang River tidal reach[J]. Haiyang Xuebao, 2015, 37(7): 15-21.

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Flood-tide interaction numerical simulation in Minjiang River tidal reach

1.
National Marine Environmental Forecasting Center, Beijing 100081, China
2.
National Marine Environmental Forecasting Center, Beijing 100081, China;Key Laboratory of Research on Marine Hazards Forecasting, State Oceanic Administration, Beijing 100081, China

Received Date: 2014-08-06
Rev Recd Date: 2015-02-04

Abstract

Abstract

Flood and tide features in Minjiang River tidal reach are analyzed and a high-resolution flood-tide coupled model which used high-resolution GIS data for Minjiang Estuary with the highest grid resolution of 50 to 100 m at key areas has been established in this paper. Unstructured triangular mesh that can realize 50 to 100 m' grid resolution at key areas is employed in the model. Zhuqi section has been chosen for flood boundary,and three numerical experiments have been conducted for June 6 2006 flood process. The experiments' results indicated that,when coupled with tide and flood,the simulation of each tide gauge agree very well with measured data compared with model results only with flood or tide; the original tidal features have been changed at the different sections in Minjiang River tidal reach by the flood signals,obvious flood characteristics have been shown in Wenshanli and Jiefang Bridge station,flood-tidal mixed characteristics have been shown in Xianan,Baiyantan and Guantou station; the strong interaction between tide and flood occurred in the watercourse (from Xiannan in South Channel to Guantou) because the current velocity is reduced during high water time but increasing during low water time.
- Minjiang River tidal reach,
- ADCIRC-2D model,
- high resolution,
- flood-tide interaction

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References(11)

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