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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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NHESS | Articles | Volume 19, issue 7
Nat. Hazards Earth Syst. Sci., 19, 1445–1457, 2019
https://doi.org/10.5194/nhess-19-1445-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Nat. Hazards Earth Syst. Sci., 19, 1445–1457, 2019
https://doi.org/10.5194/nhess-19-1445-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

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 et al.
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Latest update: 11 Nov 2019
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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.
This study investigates the use of measured water levels to reduce uncertainty bounds of...
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