Abstract
The description and post-event analysis of catastrophic flood events using rainfall−runoff models are extremely important for management of flood risk and evaluation of flood design values (Gaume et al. 2009). We describe efforts in reconstruction of flood peak flows according to the measured cross-sections, longitudinal slopes and roughness coefficients, and also results achieved by rainfall−runoff modelling of the flood hydrographs.
Highlights
The description and post-event analysis of catastrophic flood events using rainfall−runoff models are extremely important for management of flood risk and evaluation of flood design values (Gaume et al 2009)
It is important to take into account that these catchments are situated in different geographical regions and the floods originated from different rainfall events
The comparison allows us to note some important aspects, for example the extremely high peak specific runoff in Mala Svinka catchment was produced by the rainfall event of the shortest duration (~1.5 hour) in flysh geological formation
Summary
The description and post-event analysis of catastrophic flood events using rainfall−runoff models are extremely important for management of flood risk and evaluation of flood design values (Gaume et al 2009). We describe efforts in reconstruction of flood peak flows according to the measured cross-sections, longitudinal slopes and roughness coefficients, and results achieved by rainfall−runoff modelling of the flood hydrographs. Two selected documented extreme floods on small forested streams in Slovakia (Table 1, Fig. 1(a)) are compared: 1. Flood on 20 July 1998, on the Mala Svinka River at Jarovnice (34.39 km2), ungauged catchment; 2. Floods on 7 June 2011 in the Lesser Carpathians: on Gidra Creek at Pila station (32.954 km2) and on Parna Creek at Horne Oresany station (37.86 km2), gauged catchments (Svoboda et al 1998, Pekarova et al 2012) Two selected documented extreme floods on small forested streams in Slovakia (Table 1, Fig. 1(a)) are compared: 1. flood on 20 July 1998, on the Mala Svinka River at Jarovnice (34.39 km2), ungauged catchment; 2. floods on 7 June 2011 in the Lesser Carpathians: on Gidra Creek at Pila station (32.954 km2) and on Parna Creek at Horne Oresany station (37.86 km2), gauged catchments (Svoboda et al 1998, Pekarova et al 2012)
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