Detailed modelling Brienenoord IslandDOWNLOAD PROJECT SHEET
Detailed hydrodynamical modelling, desk study morphology, effect study on interventions
Municipality of Rotterdam (on behalf of Rijkswaterstaat)
Rotterdam: Nieuwe Maas/Zuiddiepje, the Netherlands
Hydrodynamical effect study and morphological analysis
The municipality of Rotterdam will (further) develop parts of Brienenoord Island as a nature reserve on behalf of Rijkswaterstaat and has asked Svašek Hydraulics to provide insight into the effects of this on navigability and dredging issues. The interventions concern the shallowing of part of the north bank of waterway south of the island (Zuiddiepje), the redesign of the western area between the breakwaters, the modification of the creek area under and next to the Brienenoord Bridge, and the construction of a dam on the east side of the island.
This study involves a combination of model simulations, data analysis and expert judgment of the morphological development in Zuiddiepje.
The hydrodynamic effect study was set-up using FINEL, nested in the TriWAQ OSR model. Since all flow processes relevant here have a two-dimensional character, it has been decided to set up the FINEL detailed model in a 2D mode (depth averaged). The hydrodynamic results have been used, among other things, for nautical analysis for the benefit of shipping.
The flow results have been translated into sediment transport potential. Together with a thorough study of historical soundings and dredging volumes, an expert judgment was made regarding the expected morphological effects of the intervention in Zuiddiepje.
The Municipality of Rotterdam has used the results in the design process of the area and coordinating that process with various stakeholders. This ultimately leads to an increase of tidal nature and an attractive, lively, and accessible landscape for the city of Rotterdam.
© Photo Gemeente Rotterdam/ARK Natuurontwikkeling.
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