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Numerical study of shoreline changes by emergency beach nourishment project at the Middle Beach of Beidaihe, China

ISSN号：0253-505X
期刊名称：《海洋学报：英文版》
时间：0
分类：P435[天文地球—大气科学及气象学] X87[环境科学与工程—环境工程]
作者机构：[1]College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China, [2]Department of Hydraulic Engineering, College of Civil Engineering, Tongji University, Shanghai 200092, China, [3]College of Marine Science, Shanghai Ocean University, Shanghai 201306, China, [4]Qinhuangdao Mineral Resource and Hydrogeological Brigade, Hebei Geological Prospecting Bureau, Qinhuangdao 066003, China
相关基金：Foundation item： The Department of Land and Resources of Hebei Province, China under contract Nos HEBEIGT2006ZT and HEBEIGT2008-2903; the State Oceanic Administration of China under contract No.2009008-05; Kwang-Hua Fund for College of Civil Engineering, Tongji University of China.

作者： ZHANG Yu[1,2], HE Lulu[2], KUANG Cuiping[2], PAN Yi[2], GU Jie[3], YANG Yanxiong[4], ZHANG Jiabo[2,4]

关键词：海岸线变化, 数值研究, 北戴河, 海滩, 营养, 沙滩, 中国, 洗浴场所, one-line model, numerical model, shoreline change, beach nourishmentl Middle Beach in Beidaihe

中文摘要：

沙滩营养是过去常沿着沙的海岸线保护沙滩免受侵蚀的伤害的普通沿海的管理策略。这个方法成功地在 2008 的夏天和完整的韦斯特沙滩营养在 Beidaihe 的西方沙滩被用于一个紧急情况工程在 20092010 投射，它是这研究的直接的底。在中间的沙滩的紧急情况工程区域的一些基本信息第一被描述。这个区域的海岸线变化，包括在五的沙滩宽度的分析，在洗澡监视侧面中间的沙滩放，然后被讨论。在那以后，一个数字模型基于一个线理论被建立，数字结果与测量海岸线同意很好，它显示模型是适当的并且被限制预言中间的沙滩的海岸线变化。与一样的模型和参数一起，工程的长期的性能被预言，并且结果证明没有后续营养和工程，洗澡地方能对为大约 10 洗澡仍然保持合适一。及时养育沙滩并且在 Beidaihe 为完整的中间的沙滩执行沙滩营养工程被建议。

英文摘要：

Beach nourishment is a common coastal management strategy used to protect beach from erosion along the sandy coastlines. This method has been successfully applied to an emergency project at the West Beach of Beidaihe in the summer of 2008 and the full West Beach nourishment project in 2009-2010, which is the direct base of this study. Some basic information about the emergency engineering area at the Middle Beach is firstly described. The shoreline change of this area, including the analysis of beach width in five monitoring profiles in the bathing places of Middle Beach, is then discussed. After that a numerical modal based on one-line theory is established and the numerical results agree well with the measured shorelines, which indicates that the model is appropriate and is qualified to predict the shoreline change of the Middle Beach. With the same model and parameters, long-term performance of the project is predicted, and the result shows that without follow-up nourishment and project, the bathing places can remain suitable for bathing for about 10 a. It is suggested to nourish the beach in time and carry out the beach nourishment project for the full Middle Beach in Beidaihe.

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