2020
DOI: 10.1016/j.envsoft.2020.104787
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An automated calibration framework and open source tools for 3D lake hydrodynamic models

Abstract: Understanding lake dynamics is crucial to provide scientifically credible information for ecosystem management. In this context, three-dimensional hydrodynamic models are a key information source to assess critical but often subtle changes in lake dynamics occurring at all spatio-temporal scales. However, those models require timeconsuming calibrations, often carried out by trial-and-error. Through a new coupling of open source software, we present here a flexible and computationally inexpensive automated cali… Show more

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Cited by 20 publications
(25 citation statements)
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“…The computational constraint is especially relevant for 3D coupled complete models, as huge non-linear, highly site-specific parameter spaces with multiple levels are included in the biogeochemical modules, requiring a multitude of preliminary simulations. With such complicated parameter interdependencies, automatic calibration techniques can hardly be applied despite their constant improvement, as the problems which Baracchini et al (2020) highlighted calibrating automatically a 3D hydrodynamic-only model with mutually dependent water temperature and current velocity fields would enormously amplify. Trial-and-error time-consuming expertknowledge manual calibration may then be the only option, being already tiresome for coupled 1D models (Fenocchi et al, 2019).…”
Section: Discussionmentioning
confidence: 99%
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“…The computational constraint is especially relevant for 3D coupled complete models, as huge non-linear, highly site-specific parameter spaces with multiple levels are included in the biogeochemical modules, requiring a multitude of preliminary simulations. With such complicated parameter interdependencies, automatic calibration techniques can hardly be applied despite their constant improvement, as the problems which Baracchini et al (2020) highlighted calibrating automatically a 3D hydrodynamic-only model with mutually dependent water temperature and current velocity fields would enormously amplify. Trial-and-error time-consuming expertknowledge manual calibration may then be the only option, being already tiresome for coupled 1D models (Fenocchi et al, 2019).…”
Section: Discussionmentioning
confidence: 99%
“…Automatic calibration techniques have been successfully applied to the calibration and validation of Delft3D for Lake Geneva in Baracchini et al (2020), being supported by multi-site temperature profiles and current velocity measurements. However, compromises were made to calibrate water temperature and current velocity independently, simplifying the procedure.…”
Section: Hydrodynamic Modelsmentioning
confidence: 99%
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