M. Igigabel, Y. Nedelec, Nicolas Flouest, N. Bérenger, P. Chassé, Alexis Bernard, Christian Pitie
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引用次数: 2
摘要
确定沿海防洪系统的边界和内部结构,然后了解其在过去事件中的行为,这对确定改善其性能的行动有很大帮助。为了在这一领域建立一种经过验证的方法,并将其应用于其他容易发生海洋洪水的地方,我们选择了四个具有对比配置的地点进行案例研究。以下是2010年2月飓风“辛西娅”袭击法国大西洋沿岸时遇到的大多数情况的代表:——Loix半岛周围盆地和沼泽,- Les Boucholeurs扩展边界的巨大湾和礼物海边的房子直接暴露在波以及挫折建筑的位置前堤沼泽——Boyardville-La Perrotine是一个城市化的区域交叉的堤坝运河连接大海面前巨大的沼泽区和码头——Batz-sur-Mer特点是盐田的城市化发展。这些遗址是由自然特征、堤坝、运河和沟渠、公路和铁路基础设施组成的网络构成的,涉及许多行动者进行管理。本文给出了案例研究的结论。它关注的是在辛西娅风暴通过期间,主要可识别的木桩实际上是如何受到保护的。
Coastal flood protection systems. Xynthia feedback experience. Case studies conclusion
The determination of the borders and the internal structure of a coastal flood protection system, then the understanding of its behavior during past events contribute widely to determine actions to improve its performance. To set up in this domain a proven methodology, transposable in other places prone to episodes of marine floods, four sites with contrasted configurations were chosen for case studies. These sites are representative of most of the situations met during the storm Xynthia which hit the French Atlantic coast in February, 2010: - Loix is a peninsula surrounded by a set of basins and marshes, - Les Boucholeurs extends in border of a vast bay and presents houses on the sea front directly exposed to waves as well as setback constructions on the location of former leveed marshes, - Boyardville-La Perrotine is an urbanized zone crossed by a leveed canal connecting the sea front with a vast zone of swamp and a marina, - Batz-sur-Mer is characterized by salterns along which urbanization developed. These sites are structured by a network of natural features, levees, canals and ditches, road and railway infrastructures, involving many actors for their management. This paper presents case studies conclusions. It focuses on the way the main identifiable stakes were actually protected during the passage of the storm Xynthia.