<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The Muskingum method is based on a linear relationship between a channel’s storage and inflow and outflow discharges. The applicability of using travel-time discharge relationships to model the variability of the K parameter in a Muskingum routing model was tested. The new parameter estimation method is based on the relationships between the traveltime parameter (K) and the input discharge for the reach of the Danube River between Devín-Bratislava and Medveďov, which includes the Gabčíkovo hydropower scheme. The variable parametrisation method was compared with the classical approach. The parameter X was taken as the average of its values from a small set of flood waves, K was estimated as a function of the travel-time parameter and discharge, which was optimized for one flood wave. The results were validated using the Nash-Sutcliffe coefficient on 5 floods. The results obtained by these methods were satisfactory and, with their use, one could reduce the amount of data required for calibration in practical applications.</p></abstract>

The Muskingum method is based on a linear relationship between a channel’s storage and inflow and outflow discharges. The applicability of using travel-time discharge relationships to model the variability of the K parameter in a Muskingum routing model was tested. The new parameter estimation method is based on the relationships between the traveltime parameter (K) and the input discharge for the reach of the Danube River between Devín-Bratislava and Medveďov, which includes the Gabčíkovo hydropower scheme. The variable parametrisation method was compared with the classical approach. The parameter X was taken as the average of its values from a small set of flood waves, K was estimated as a function of the travel-time parameter and discharge, which was optimized for one flood wave. The results were validated using the Nash-Sutcliffe coefficient on 5 floods. The results obtained by these methods were satisfactory and, with their use, one could reduce the amount of data required for calibration in practical applications.

Variable Parameter Multilinear Muskingum Method: Case Study on the Danube River

Slovak Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Variable Parameter Multilinear Muskingum Method: Case Study on the Danube River"}

The Muskingum method is based on a linear relationship between a channel’s storage and inflow and outflow discharges. The applicability of using travel-time...

Variable Parameter Multilinear Muskingum Method: Case Study on the Danube River

Published Online: Jan 18, 2019

Page range: 56 - 65

DOI: https://doi.org/10.2478/sjce-2018-0029

Keywords
Muskingum method, Multilinear model, Travel-time discharge relationship, Danube River

© 2019 Michaela Danáčová, Ján Szolgay, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Variable Parameter Multilinear Muskingum Method: Case Study on the Danube River

Published Online: Jan 18, 2019

Page range: 56 - 65

DOI: https://doi.org/10.2478/sjce-2018-0029

KeywordsMuskingum method, Multilinear model, Travel-time discharge relationship, Danube River

© 2019 Michaela Danáčová, Ján Szolgay, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Muskingum method, Multilinear model, Travel-time discharge relationship, Danube River