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| Modelling water availability and water allocation strategies in the Scheldt basin: Sub report 4-1. Analyses of hydrological models for climate change modelling – NAM Naranjo, P.; Maroy, E.; Velez, C.; De Boeck, K.; Pereira, F.; Nossent, J.; Mostaert, F. (2021). Modelling water availability and water allocation strategies in the Scheldt basin: Sub report 4-1. Analyses of hydrological models for climate change modelling – NAM. Version 2.0. FHR reports, 00_162_4-1. Flanders Hydraulics Research: Antwerp. IX, 71 + 244 p. app. pp. https://dx.doi.org/10.48607/25
Deel van: FHR reports. Flanders Hydraulics Research: Antwerp, meer
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| Documenttype: Projectrapport | |
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Numerical modelling Standardization > Calibration Water management > Hydrology > Conceptual models België, Schelde R. [Marine Regions] |
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| Abstract |
The optimization during calibration is performed based on an automatic procedure, followed by a visual control. During the optimization routine the parameter sets are selected based on 2 criteria: (1) absolute error on cumulated total flow at each time step, and (2) logarithmic Nash-Sutcliff efficiency. The first criterion aims to model the global flow pattern, the latter focuses mainly on the low flows. Overall, the performance of the updated NAM models, is substantially improved compared to the original NAM models. The summarized results for each of the gauged sub catchments within the study area, allow the user to get insight in the performance of the NAM model for each of the involved sub catchments. Based on this information and the evaluation of the PDM, VHM and WETSPA models, the user can make a well-grounded decision on which model to use for the considered objective. |
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