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首页> 外文期刊>Journal of Coastal Conservation >A novelty coastal susceptibility assessment method: application to Valdelagrana area (SW Spain)
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A novelty coastal susceptibility assessment method: application to Valdelagrana area (SW Spain)

机译：一种新奇的沿海敏感性评估方法：适用于Valdelagrana地区（SW西班牙）

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The main aim of this paper is to present a new methodology to determine coastal susceptibility to erosion and flooding processes by means of an index-based method. The proposed indices take into account physical parameters, such as dune and beach geomorphologic characteristics, shoreline evolution, local significant wave height and relative run-up. The coastal susceptibility has been estimated by elaboration of spatial input data into a GIS environment. The method has been tested in Valdelagrana area, a sandy spit located in SW Spain. The spit includes several morpho-sedimentary environments: sandy beach, discontinuous embryo dunes and foredunes, mud flats and wide areas of vegetated salt marshes. The Northernmost sector is densely urbanized whilst the rest is part of a natural protected area belonging to the Bahia de Cadiz Natural Park. The results obtained showed how the Southern part of the spit presented a high susceptibility due to an elevated erosion rate and the presence of low and discontinuous dune ridges.
机译：本文的主要目的是通过基于索引的方法，提出一种新的方法，以确定对侵蚀和洪水过程的沿海敏感性。拟议的指标考虑到物理参数，如沙丘和海滩地貌特征，海岸线演化，局部显着波浪高度和相对延伸。通过将空间输入数据阐述到GIS环境中，估计了沿海敏感性。该方法已在Valdelagrana地区进行测试，位于SW西班牙的沙质吐。吐痰包括几种情况：沙滩，不连续的胚胎沙丘和祖先，泥舱和植被盐沼的宽阔地区。最北端的部门是密集的城市化，而其余的是属于Bahia de Cadiz Natural Park的自然保护区的一部分。所得到的结果表明，由于耐腐蚀速率提高和低连续的沙丘脊，吐口南部的南部如何呈现出高敏感性。

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