Articles | Volume 19, issue 7
https://doi.org/10.5194/nhess-19-1445-2019
https://doi.org/10.5194/nhess-19-1445-2019
Research article
 | 
18 Jul 2019
Research article |  | 18 Jul 2019

Reducing uncertainties in flood inundation outputs of a two-dimensional hydrodynamic model by constraining roughness

Punit Kumar Bhola, Jorge Leandro, and Markus Disse

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Latest update: 28 Mar 2024
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Short summary
This study investigates the use of measured water levels to reduce uncertainty bounds of two-dimensional hydrodynamic model output. Uncertainty assessment is generally not reported in practice due to the lack of best practices and too wide uncertainty bounds. Hence, a novel method to reduce the bounds by constraining the model parameter, mainly roughness, is presented. The operational practitioners as well as researchers benefit from the study in the field of flood risk management.
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