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Water 2017, 9(4), 288; doi:10.3390/w9040288

Unsteady State Water Level Analysis for Discharge Hydrograph Estimation in Rivers with Torrential Regime: The Case Study of the February 2016 Flood Event in the Crati River, South Italy

1
Dipartimento di Ingegneria Civile, Ambientale, Aerospaziale, dei Materiali (DICAM), Università di Palermo, viale delle Scienze, 90128 Palermo, Italy
2
Dipartimento di Ingegneria Informatica, Modellistica, Elettronica e Sistemistica (DIMES), Università della Calabria, Ponte P. Bucci, 87030 Rende, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Marco Franchini and Athanasios Loukas
Received: 16 February 2017 / Revised: 10 April 2017 / Accepted: 12 April 2017 / Published: 21 April 2017
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Abstract

Discharge hydrograph estimation during floods, in rivers with torrential regime, is often based on the use of rating curves extrapolated from very low stage–discharge measurements. To get a more reliable estimation, a reverse flow routing problem is solved using water level data measured in two gauged stations several kilometers from each other. Validation of the previous analysis carried out on the flood event of February 2016 at the Europa Bridge and Castiglione Scalo sections of the Crati River (Cosenza, Italy) is based on the use of ‘soft’ discharge measurement data and the comparison of the water level data computed in the downstream gauged section by three different hydraulic models with the ‘hard’ available water level measures. Results confirm that the 1D diffusive model provides more reliable results than the 1D complete one and no significant improvement is gained by the use of a more computationally demanding 2D model. View Full-Text
Keywords: reverse routing; rating curves; diffusive model; peak flow; discharge estimation; flood reverse routing; rating curves; diffusive model; peak flow; discharge estimation; flood
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MDPI and ACS Style

Spada, E.; Sinagra, M.; Tucciarelli, T.; Biondi, D. Unsteady State Water Level Analysis for Discharge Hydrograph Estimation in Rivers with Torrential Regime: The Case Study of the February 2016 Flood Event in the Crati River, South Italy. Water 2017, 9, 288.

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