The traditional approach for delimitation of flood-prone areas is based on some conceptual assumptions which mainly involve the uncoupling of the hydrological modeling for flood wave prediction from the hydraulic modeling of floodplain inundation. Although the adoption of lumped parameters hydrologic models is acceptable in a number of real contexts, in other areas it is prevented due to the peculiar morphology and the lack of data for their calibration. In such circumstances the integrated simulation of surface runoff generation process on the ground with the propagation over the catchment is essential to reproduce the actual catchment behavior. After presenting the study area, that pertains some ephemeral streams located in Southern Italy, the paper discusses the features of a full 2D hydraulic model to be used to reproduce the rainfall-runoff generation and flood propagation over the entire catchment. Simulation results are discussed in terms of predicted hydraulic behavior and flooded areas.
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|Titolo:||Full-2Drainfall-runoff hydraulic modeling for delimitation of flood-prone area|
|Data di pubblicazione:||2012|
|Nome del convegno:||5th International Perspective on Water Resources & the Environment Conference (IPWE 2012)|
|Appare nelle tipologie:||4.1 Contributo in Atti di convegno|