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Advances in Geosciences An open-access journal for refereed proceedings and special publications
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Volume 39
Adv. Geosci., 39, 61-68, 2014
https://doi.org/10.5194/adgeo-39-61-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Adv. Geosci., 39, 61-68, 2014
https://doi.org/10.5194/adgeo-39-61-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

  01 Apr 2014

01 Apr 2014

Morphodynamic modelling for the entire German Bight: an initial study on model sensitivity and uncertainty

A. Plüß and F. Kösters A. Plüß and F. Kösters
  • Federal Waterways Engineering and Research Institute, Hamburg, Germany

Abstract. Morphodynamic modelling of coastal seas and estuaries for large-scale and long-term applications is strongly affected by parameter sensitivity of process-based models. Moreover, the comparison of data-based methods with numerical model results is limited by uncertainties in measurements. These drawbacks can be partly overcome by a multi-model approach (MMA). In a case study to assess long-term sediment transport and morphodynamic processes for the German Bight, the AufMod research project applies two different methods for process-based modelling: UnTRIM-SediMorph and DELFT3D. Model sensitivity is illustrated in terms of different morphological changes for diverse porosity values. As a first step, discrepancies between individual methods are shown based on resulting sediment transport patterns.

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