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Baseline Zuidwestelijke Delta: automatic re-calibration of waquaschelde_nevla-j07_5 with lower weights in the Rupel basin Chu, K.; Vanlede, J.; Decrop, B.; Mostaert, F. (2020). Baseline Zuidwestelijke Delta: automatic re-calibration of waquaschelde_nevla-j07_5 with lower weights in the Rupel basin. Versie 1.0. FHR reports, 13_041_2. Flanders Hydraulics Research: Antwerp. VII, 23 + 2 p. app. pp. Deel van: FHR reports. Flanders Hydraulics Research: Antwerp, meer

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Beschikbaar in	Auteurs
Waterbouwkundig Laboratorium: Open Repository 342342 [ OWA ]
Documenttype: Projectrapport

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Trefwoorden

Hydraulics and sediment > Hydrodynamics > Current velocities  and patterns Hydraulics and sediment > Hydrodynamics > Tides Literature and desktop study Physics > Mechanics > Fluid mechanics > Hydrodynamics ANE, Schelde-estuarium [Marine Regions] Brak water

Author keywords

Automatic calibration

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Project	Top | Auteurs
Baseline Zeeuwse Delta, meer

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Contactgegevens

Opdrachtgever: Ministerie van Infrastructuur en Milieu; Rijkswaterstaat; Dienst Zeeland (DZL), meer

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Auteurs		Top
Chu, K. Vanlede, J., meer Decrop, B. Mostaert, F.

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Abstract

This report is an extension to the work previously reported by Chu et al. (2019). During the discussion of the results, the suggestion was given to lower the weight of the stations in the Rupel Basin in the cost function that is used in the automatic calibration procedure, and check the influence on the end result. This report follows up on that suggestion. The weights in the cost function for the water level stations in the Rupel basin are made 16 times smaller. The model is then automatically calibrated on bottom roughness for the entire year of 2007. The result of lowering the weight of the stations in the Rupel basin in the cost function is that (as expected), the error on water levels in the Rupel basin slightly rises by 1-2 cm. The model however performs slightly better from Hemiksem to Walem (also by 1-2 cm). The re-calibrated model shows an unchanged (good) skill representing the salinity and cross-sectional discharge in the Scheldt estuary. As expected, the model performance in the Western Scheldt is unaffected by the change in weights.

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