Department of Geography, Geoinformatics and Regional Development, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, Trieda A. Hlinku 1, 949 01, Nitra, Slovakia.
Institute of Geography, Slovak Academy of Sciences, Štefánikova 49, 814 73, Bratislava, Slovakia.
Sci Rep. 2023 Mar 27;13(1):5014. doi: 10.1038/s41598-023-32239-7.
The article focuses on the mapping and assessment of fluvial flood risk at municipal level of Slovakia. The fluvial floods risk index (FFRI), composed of a hazard component and a vulnerability component, was computed for 2927 municipalities using spatial multicriteria analysis and geographic information systems (GIS). The fluvial flood hazard index (FFHI) was computed based on eight physical-geographical indicators and land cover representing the riverine flood potential and also the frequency of flood events in individual municipalities. The fluvial flood vulnerability index (FFVI) was calculated using seven indicators representing the economic and social vulnerability of municipalities. All of the indicators were normalized and weighted using the rank sum method. By aggregating the weighted indicators, we obtained the FFHI and FFVI in each municipality. The final FFRI is a result of a synthesis of the FFHI and FFVI. The results of this study can be used mainly in the framework of flood risk management at national spatial scale, but also for local governments and periodic update of the Preliminary Flood Risk Assessment document, which is carried out at the national level under the EU Floods Directive.
本文重点研究了斯洛伐克市级河流洪水风险的制图和评估。利用空间多准则分析和地理信息系统（GIS），为 2927 个直辖市计算了由灾害成分和脆弱性成分组成的河流洪水风险指数（FFRI）。基于 8 个物理地理指标和土地利用，计算了河流洪水灾害指数（FFHI），代表了河流洪水的潜在风险以及各直辖市洪水事件的频率。利用代表直辖市经济和社会脆弱性的七个指标计算了河流洪水脆弱性指数（FFVI）。所有指标均采用秩和法进行归一化和加权。通过对加权指标进行汇总，我们获得了每个直辖市的 FFHI 和 FFVI。最终的 FFRI 是 FFHI 和 FFVI 综合的结果。本研究的结果主要可用于国家空间尺度的洪水风险管理框架内，也可用于地方政府和欧盟洪水指令下在国家层面进行的初步洪水风险评估文件的定期更新。
