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| 闽江口入海悬沙输运的数值模拟 | |
| 引用本文： | 汤军健,余兴光,陈坚,陈楚汉,李东义. 闽江口入海悬沙输运的数值模拟[J]. 台湾海峡, 2009, 28(1): 90-95 |
| 作者姓名： | 汤军健 余兴光 陈坚 陈楚汉 李东义 |
| 作者单位： | 国家海洋局第三海洋研究所,福建,厦门,361005 |
| 基金项目： | 福建省科技重大专项前期研究项目，福建省我国近海海洋综合调查与评价(908计划) |
| 摘 要： | 闽江河口位于福建省东部，本文利用欧拉-拉格朗日差分方法模拟闽江口及附近海域在不同径流下的潮流场，并建立拉格朗日水质点跟踪方法近似模拟了悬沙在海域中的迁移过程．水质点运动轨迹计算结果表明，闽江口悬沙在外海主要向南方或东南方输运，其轨迹呈现螺旋线．在洪峰流量下，悬沙运移距离较远． |
| 关 键 词： | 闽江口 拉格朗日水质点跟踪 悬沙输运 |
Numerical simulation on the transport of suspended sediment in Minjiang Estuary |
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| TANG Jun-jian,YU Xing-guang,CHEN Jian,CHEN Chu-han,LI Dong-yi. Numerical simulation on the transport of suspended sediment in Minjiang Estuary[J]. Journal of Oceanography In Taiwan Strait, 2009, 28(1): 90-95 | |
| Authors: | TANG Jun-jian YU Xing-guang CHEN Jian CHEN Chu-han LI Dong-yi |
| Affiliation: | (Third Institute of Oceanography, SOA, Xiamen 361005, China) |
| Abstract: | Minjiang Estuary is located in the east of Fujian Province. The Eulerian-Lagrangian difference method is applied to simulate the tidal current field in Minjiang Estuary and offshore zone in different stream flow. Based on Lagrangian water point tracing method, the transport of suspended sediment is simulated. The results show that the suspended sediments in offshore zone are mostly transported to south or southeast in a track of helix and suspended sediments are transported farther during the peak of flood discharge. |
| Keywords: | Minjiang Estuary Lagrangian particle tracing suspended sediments |
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