| 不同受损情况下珊瑚礁海岸动力地貌差异性分析 |
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| 引用本文： | 陈燕珊,戚洪帅,杨清书,蔡锋,刘根,朱君,赵绍华.不同受损情况下珊瑚礁海岸动力地貌差异性分析[J].海洋学报,2022,44(3):61-69. |
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| 作者姓名： | 陈燕珊 戚洪帅 杨清书 蔡锋 刘根 朱君 赵绍华 |
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| 作者单位： | 1.中山大学 海洋工程与技术学院 中山大学河口海岸研究所，广东 广州 510275 |
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| 基金项目： | 自然科学基金面上项目;自然资源部第三海洋研究所基科项目;自然科学基金重点项目 |
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| 摘 要： | 探索珊瑚礁与海滩地貌之间动力地貌联系是认识珊瑚礁海岸变化的重要一环.本文以雷州半岛徐闻西落港珊瑚礁海岸为研究对象,应用RTK-GPS和无人船开展岸滩剖面和近岸水下地形的测量、结合海滩沉积物分析,基于FUNWAVE-TVD数值模型模拟并分析不同珊瑚礁地形地貌条件下波浪动力传播过程.结果显示,研究区珊瑚礁水下地形是影响礁后...
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| 关 键 词： | 珊瑚礁海岸 FUNWAVE-TVD 次重力波 动力地貌 海滩平衡剖面 |
| 收稿时间： | 2021-03-24 |
Morphodynamic analysis on fringing reef coasts under different damage conditions |
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| Chen Yanshan,Qi Hongshuai,Yang Qingshu,Cai Feng,Liu Gen,Zhu Jun,Zhao Shaohua.Morphodynamic analysis on fringing reef coasts under different damage conditions[J].Acta Oceanologica Sinica (in Chinese),2022,44(3):61-69. |
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| Authors: | Chen Yanshan Qi Hongshuai Yang Qingshu Cai Feng Liu Gen Zhu Jun Zhao Shaohua |
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| Abstract: | Morphodynamic relationships between fringing reefs and back-reef beach play key roles in understanding the evolution of coral coasts. The fringing reef coasts of Leizhou Peninsula, in Xiluo Port, Xuwen, are taken as the research object in this paper. RTK-GPS and unmanned-surface-vessel are used to measure and analyze the topography of the beach profile and reef as well as the sediment sampling in beach. FUNWAVE-TVD is used to simulate and analyze the hydrodynamic process of short wave and infragravity wave cross the different reef. The results show that the reef topography in the study area has significant effects on the morphology of back-reef beach. Whether the nearshore wave energy dominated by the short wave band or the infragravity band is controlled by the topography. In the narrow reef, there is a predominance of infragravity energy near the back-reef beach. The dominated wave band in the nearshore wave energy is the main factor shape the back-reef beach equilibrium profile. However, the beach equilibrium profile model of coral coast proposed by Mu?óz-Pérez did not take this factor into account, it need to further research. |
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