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Article

Impact of Hydrological Modellers’ Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a ‘Modelling Contest’

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Department of Research and Knowledge Transfer, Jade University of Applied Sciences, Ofener Straße 16/19, 26121 Oldenburg, Germany
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Department of Geography, University of Bonn, Meckenheimer Allee 166, 53115 Bonn, Germany
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NTU Athens, School of Rural and Surveying Engineering, Zografou Campus 9, Iroon Polytechniou str, 15780 Zografou, Greece
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Department of Physical Geography, Faculty of Geosciences, Utrecht University, 3512 JE Utrecht, The Netherlands
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TU Darmstadt, Franziska-Braun-Str. 7, 64287 Darmstadt, Germany
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BTU Cottbus, Postfach 101344, 03013 Cottbus, Germany
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TU Dresden, Mommsenstraße 13, 01602 Dresden, Germany
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University of the Aegean, University Hill, 81100 Mytilene, Lesvos, Greece
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Parthenope University of Naples, Via Ammiraglio Ferdinando Acton, 38, 80133 Napoli, NA, Italy
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University of Potsdam, Am Neuen Palais 10, 14469 Potsdam, Germany
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Democritus University of Thrace, University Campus, 69100 Komotini, Greece
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University of Jena, Löbdergraben 32, 07743 Jena, Germany
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TU München, Arcisstraße 21, 80333 München, Germany
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University of Hannover, Appelstr. 9a, 30167 Hannover, Germany
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Author to whom correspondence should be addressed.
Hydrology 2018, 5(4), 64; https://doi.org/10.3390/hydrology5040064
Received: 20 October 2018 / Revised: 14 November 2018 / Accepted: 15 November 2018 / Published: 19 November 2018
In this study, 17 hydrologists with different experience in hydrological modelling applied the same conceptual catchment model (HBV) to a Greek catchment, using identical data and model code. Calibration was performed manually. Subsequently, the modellers were asked for their experience, their calibration strategy, and whether they enjoyed the exercise. The exercise revealed that there is considerable modellers’ uncertainty even among the experienced modellers. It seemed to be equally important whether the modellers followed a good calibration strategy, and whether they enjoyed modelling. The exercise confirmed previous studies about the benefit of model ensembles: Different combinations of the simulation results (median, mean) outperformed the individual model simulations, while filtering the simulations even improved the quality of the model ensembles. Modellers’ experience, decisions, and attitude, therefore, have an impact on the hydrological model application and should be considered as part of hydrological modelling uncertainty. View Full-Text
Keywords: conceptual hydrological model; HBV; modellers’ decisions; model ensemble; modellers’ uncertainty conceptual hydrological model; HBV; modellers’ decisions; model ensemble; modellers’ uncertainty
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MDPI and ACS Style

Bormann, H.; De Brito, M.M.; Charchousi, D.; Chatzistratis, D.; David, A.; Grosser, P.F.; Kebschull, J.; Konis, A.; Koutalakis, P.; Korali, A.; Krauzig, N.; Meier, J.; Meliadou, V.; Meinhardt, M.; Munnelly, K.; Stephan, C.; De Vos, L.F.; Dietrich, J.; Tzoraki, O. Impact of Hydrological Modellers’ Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a ‘Modelling Contest’. Hydrology 2018, 5, 64. https://doi.org/10.3390/hydrology5040064

AMA Style

Bormann H, De Brito MM, Charchousi D, Chatzistratis D, David A, Grosser PF, Kebschull J, Konis A, Koutalakis P, Korali A, Krauzig N, Meier J, Meliadou V, Meinhardt M, Munnelly K, Stephan C, De Vos LF, Dietrich J, Tzoraki O. Impact of Hydrological Modellers’ Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a ‘Modelling Contest’. Hydrology. 2018; 5(4):64. https://doi.org/10.3390/hydrology5040064

Chicago/Turabian Style

Bormann, Helge, Mariana M. De Brito, Despoina Charchousi, Dimitris Chatzistratis, Amrei David, Paula F. Grosser, Jenny Kebschull, Alexandros Konis, Paschalis Koutalakis, Alkistis Korali, Naomi Krauzig, Jessica Meier, Varvara Meliadou, Markus Meinhardt, Kieran Munnelly, Christiane Stephan, Leon F. De Vos, Jörg Dietrich, and Ourania Tzoraki. 2018. "Impact of Hydrological Modellers’ Decisions and Attitude on the Performance of a Calibrated Conceptual Catchment Model: Results from a ‘Modelling Contest’" Hydrology 5, no. 4: 64. https://doi.org/10.3390/hydrology5040064

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