A GIS tool for cost-effective delineation of flood-prone areas
A GIS tool for cost-effective delineation of flood-prone areas
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用于经济有效地划定洪水易发区域的 GIS 工具
DOI：
10.1016/j.compenvurbsys.2018.01.013
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发表时间：
2018
期刊：
影响因子：
--
通讯作者：
S. Manfreda
中科院分区：
文献类型：
--
作者：
C. Samela;R. Albano;A. Sole;S. Manfreda
洪水危险区和洪水风险区的划定是一个关键问题，但实际困难往往使完成任务成为一项挑战。在数据稀缺的环境中（例如，无测量数据的流域，大规模分析），可以使用地貌方法获得有关洪水灾害风险的有用信息。为了推进这一领域的研究，我们在QGIS环境中实施了一个自动化的基于DEM的程序，该程序在确定位于欧洲，美国和非洲的几个测试地点的洪水易发区方面表现出很高的准确性和可靠性。这个工具，名为地貌洪水区工具（GFA工具），通过执行线性二进制分类的基础上，最近提出的地貌洪水指数（GFI），使快速和具有成本效益的洪水映射。GFA工具提供了一个用户友好的策略，可以绘制大面积的洪水风险图。GFA工具的示范应用程序中，详细的洪水图是来自罗马尼亚。
Delineation of flood hazard and flood risk areas is a critical issue, but practical difficulties regularly make complete achievement of the task a challenge. In data-scarce environments (e.g. ungauged basins, large-scale analyses), useful information about flood hazard exposure can be obtained using geomorphic methods. In order to advance this field of research, we implemented in the QGIS environment an automated DEM-based procedure that exhibited high accuracy and reliability in identifying the flood-prone areas in several test sites located in Europe, the United States and Africa. This tool, named Geomorphic Flood Area tool (GFA tool), enables rapid and cost-effective flood mapping by performing a linear binary classification based on the recently proposed Geomorphic Flood Index (GFI). The GFA tool provides a user-friendly strategy to map flood exposure over large areas. A demonstrative application of the GFA tool is presented in which a detailed flood map was derived for Romania.
影响因子：
3.2
作者：
Di Baldassarre, Giuliano;Schumann, Guy;Bates, Paul
通讯作者：
Bates, Paul
影响因子：
3.4
作者：
Clubb, Fiona J.;Mudd, Simon M.;Limaye, Ajay B.
通讯作者：
Limaye, Ajay B.