Approaching Flood Risk Management by Creating a Three-Dimensional Model at the Level of a Watershed
Cristiana Ichim | Larisa Ofelia Filip | Cristian-Dinu Glont | Alexandru Ristache | Lucian Lupu-Dima
Globally, the number of major floods has been consistently significant in recent years. By using several methods of acquiring and processing geospatial data, this study aimed to develop a digital terrain model that supports the modeling of sudden increases in water levels in a river to provide a true picture of the areas at risk. The main contribution of this research is provided by the method of performing coupled geospatial, hydrological, and hydraulic calculations within the area of interest. This approach includes an analysis of all the hydrotechnical works executed in the riverbed. The research highlights the characteristics of the water flow corresponding to the maximum flows with exceedance probabilities of 10%, 1%, 0.5%, and 0.1%, as well as those associated with maximum discharges resulting from scenarios involving the failure of the storage dam in the area. The research results indicate that the creation of a 3D model at the river basin is probably the most important step in flood risk management, as the results obtained at this stage can also influence other measures that can be applied.
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