Articles | Volume 44
Adv. Geosci., 44, 15–22, 2017
https://doi.org/10.5194/adgeo-44-15-2017
Adv. Geosci., 44, 15–22, 2017
https://doi.org/10.5194/adgeo-44-15-2017
 
24 Feb 2017
24 Feb 2017

Combining regional rainfall frequency analysis and rainfall-runoff modelling to derive frequency distributions of peak flows in ungauged basins: a proposal for Sicily region (Italy)

Brunella Bonaccorso et al.

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Cited articles

Aronica, G. T. and Candela, A.: Derivation of flood frequency curves in poorly gauged Mediterranean catchments using a simple stochastic hydrological rainfall-runoff model, J. Hydrol., 347, 132–142, 2007.
Bonaccorso, B. and Aronica, G. T.: Estimating temporal changes in extreme rainfall in Sicily Region, Water Resour. Manag., 30, 5651–5670, https://doi.org/10.1007/s11269-016-1442-3, 2016.
Bonta, J. V.: Stochastic simulation of storm occurrence, depth, duration, and within–storm intensities, Trans. Am. Soc. Agr. Eng., 47, 1573–1584, 2004.
Bronstert, A. and Bárdossy, A.: The role of spatial variability of soil moisture for modelling surface runoff generation at the small catchment scale, Hydrol. Earth Syst. Sci., 3, 505–516, https://doi.org/10.5194/hess-3-505-1999, 1999.
Candela, A., Brigandì, G., and Aronica, G. T.: Estimation of synthetic flood design hydrographs using a distributed rainfall-runoff model coupled with a copula-based single storm rainfall generator, Nat. Hazards Earth Syst. Sci., 14, 1819–1833, https://doi.org/10.5194/nhess-14-1819-2014, 2014.
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Short summary
A Monte Carlo approach for deriving flood frequency curves in ungauged basins in Sicily region (Italy) is proposed. The procedure consists of: (i) a regional frequency analysis of extreme rainfall series, combined with Huff curves-based synthetic hyetographs, for design storms and (ii) a rainfall-runoff model, based on the Time-Area technique, to generate synthetic hydrographs. Validation of the procedure is carried out on four gauged river basins in Sicily (Italy) with promising results.