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| Modelling water availability and water allocation strategies in the Scheldt basin: sub report 4-2. Developing a rainfall-runoff model of the Meuse – NAM Meuse Maroy, E.; Michielsen, S.; Velez, C.; Pereira, F.; Nossent, J.; Mostaert, F. (2021). Modelling water availability and water allocation strategies in the Scheldt basin: sub report 4-2. Developing a rainfall-runoff model of the Meuse – NAM Meuse. Version 2.0. FHR reports, 00_162_4-2. Flanders Hydraulics Research: Antwerp. X, 36 + 78 p. app. pp. https://dx.doi.org/10.48607/28
Deel van: FHR reports. Flanders Hydraulics Research: Antwerp, meer
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| Documenttype: Projectrapport | |
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Numerical modelling Water management > Hydrology > Conceptual models België, Maas R. [Marine Regions] |
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| Abstract |
The Meuse catchment is split up in 11 sub catchments. One big catchment of the Meuse itself upstream from Profondeville, 7 catchments of different scale of the tributaries downstream of Profondeville and 3 smaller catchments representing the ungauged area downstream Profondeville. Except for the catchment upstream from Profondeville, the catchments are calibrated separately to find an optimal parameter set. To assess the parameters for modelling the upstream catchment, the latter was split in 5 sub catchments which were calibrated separately. However, for the purpose of the water availability modelling of the Albert Canal and Campine canals, the area upstream from Profondeville is simulated by using the parameters of the biggest sub catchment (i.e. the French part of the Meuse catchment). 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. In general the simulation of the hydrology of the Meuse catchment gives fairly good results bearing in mind that it is used for simulations on a regional scale. |
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