Articles | Volume 20, issue 6
https://doi.org/10.5194/hess-20-2383-2016
https://doi.org/10.5194/hess-20-2383-2016
Research article
 | 
20 Jun 2016
Research article |  | 20 Jun 2016

Estimation of flood warning runoff thresholds in ungauged basins with asymmetric error functions

Elena Toth

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Short summary
Runoff thresholds for activating flood warnings might be estimated with regionally derived relationships between catchment descriptors and assigned flood quantiles. Since the consequences of overestimated thresholds (leading to missing alarms) are generally more severe than those of an underestimation (leading to false alarms), the work proposes to parameterise the regression model with an asymmetric error function, instead of using a traditional, symmetric square errors sum.