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Flood risk assessment and flow modeling of the Stalos stream area
Journal of Hydroinformatics ( IF 2.2 ) Pub Date : 2022-05-01 , DOI: 10.2166/hydro.2022.004
Christos Goumas 1 , Ioannis Trichakis 1 , Anthi-Irini Vozinaki 1 , George P. Karatzas 1
Affiliation  

The objective of the work performed in this paper was to implement flood risk assessment on the Stalos stream area, west of the city of Chania, Crete, Greece, utilizing two separate methods complementing each other. The first stage was a GIS-based approach, utilizing the ArcGIS software, by determining the crucial factors affecting flood risk, and subsequently scoring and combining the factors into a final raster, with each factor appropriately scored. The second stage involved the flow modeling of a stream located in the study area of Stalos, upon which a meteorological station was installed upstream, in addition to a radar flow meter downstream, at the stream's output to the sea. For the purposes of modeling, the MIKE HYDRO River software pack was utilized, in addition to the ArcGIS software for digitizing cross sections and editing the Digital Elevation Model of the area. From this methodology, the flood risk of the area was determined, and additionally, the low overflow risk of the stream was determined, as there was no point across the stream, where the water level in the stream reached dangerous levels, despite sustained heavy precipitation.



中文翻译:

Stalos 河流区域的洪水风险评估和流量建模

本文工作的目的是利用两种相互补充的独立方法对希腊克里特岛干尼亚市以西的 Stalos 溪流地区进行洪水风险评估。第一阶段是基于 GIS 的方法,利用 ArcGIS 软件,通过确定影响洪水风险的关键因素,然后对这些因素进行评分并将其组合成最终栅格,并对每个因素进行适当评分。第二阶段涉及对位于 Stalos 研究区的溪流进行流动建模,在该溪流的出口处,除了下游的雷达流量计外,还在上游安装了一个气象站,并将其流向大海。出于建模的目的,使用了 MIKE HYDRO River 软件包,除了用于数字化横截面和编辑该区域的数字高程模型的 ArcGIS 软件。通过这种方法,确定了该地区的洪水风险,此外,还确定了河流的低溢流风险,因为尽管持续大量降水,河流中的水位没有任何一点达到危险水平.

更新日期:2022-05-01
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