Tidal Prediction in the Sea Scheldt (Belgium) Using a Combination of Harmonic Tidal Prediction and 1D Hydraulic Modeling - Natural Resources

NR > Vol.5 No.11, August 2014

Tidal Prediction in the Sea Scheldt (Belgium) Using a Combination of Harmonic Tidal Prediction and 1D Hydraulic Modeling ()

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DOI: 10.4236/nr.2014.511055 3,023 Downloads 3,913 Views Citations

Author(s)

Joris Vanlede, Leen Coen, Maarten Deschamps

Affiliation(s)

Flanders Hydraulics Research, Antwerp, Belgium.

ABSTRACT

The vertical tide in the Sea Scheldt (Belgium) is predicted using a combination of harmonic tidal prediction and 1D hydraulic modeling. At Prosperpolder (a measurement station close to the Dutch-Belgian border), four years of water level data (2009-2012) are analyzed to obtain the harmonic components at that location. The accuracy of the harmonic prediction is checked with a statistical analysis of an astronomical hindcast for 2009-2012 against measurements. An existing 1D hydraulic model of the tidally influenced part of the Scheldt estuary is cut off at Prosperpolder. The time series of tidally predicted water levels at Prosperpolder is used as a downstream boundary condition for the hydraulic model. In this way, a tidal prediction can be obtained for any location in the Sea Scheldt, also for locations where no harmonic components are available, whilst guaranteeing the consistency between the predicted time series.

KEYWORDS

Harmonic, Tidal Analysis, Tidal Prediction, Modeling, Scheldt

Share and Cite:

Vanlede, J. , Coen, L. and Deschamps, M. (2014) Tidal Prediction in the Sea Scheldt (Belgium) Using a Combination of Harmonic Tidal Prediction and 1D Hydraulic Modeling. Natural Resources, 5, 627-633. doi: 10.4236/nr.2014.511055.

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