Calibration approaches for hydraulic river models for high and low flows: A review

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Global climate change affects all aspects of river processes. It is expected that discharge extremes will occur more often in the future and that the probability of high and low flows in a shorter period will increase. Given these changes in hydrometeorological conditions, the question arises whether it is possible to set up a hydraulic model that simulates both high, intermediate and low flows in rivers accurately. However, hydraulic models are currently calibrated for a specific discharge range. Consequently, it is not possible to evaluate the effects of river interventions for a wide range of conditions with such a calibrated model. Therefore, this study gives an overview of the current state of hydraulic calibration approaches applied in literature and aims to give insights in how these calibration approaches can be improved such that a hydraulic model can be calibrated and applied for varying discharge conditions. Exploring the literature showed that the most commonly used parameter for calibration is roughness that is calibrated one time for one specific discharge or calibrated separately for different calibrated ranges.
Original languageEnglish
Title of host publicationProceedings 39th IAHR World Congress, 19-24 June 2022, Granada, Spain
EditorsMiguel Ortega-Sánchez
Place of PublicationGranada
Number of pages6
ISBN (Print)978-90-832612-1-8
Publication statusPublished - 2022
Event39th IAHR World Congress 2022: From snow to sea - Granada, Spain
Duration: 19 Jun 202224 Jun 2022
Conference number: 39

Publication series

NameProceedings IAHR World Congress
ISSN (Print)2521-7119
ISSN (Electronic)2521-716X


Conference39th IAHR World Congress 2022


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