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The North Sea Andrea storm and numerical simulations
Bitner-Gregersen, M; Fernandez, L.; Lefevre, M; Monbaliu, J.; Toffoli, A (2014). The North Sea Andrea storm and numerical simulations. Nat. Hazards Earth Syst. Sci. 14(6): 1407-1415. dx.doi.org/10.5194/nhess-14-1407-2014
In: Natural Hazards and Earth System Sciences. Copernicus Publications: Göttingen. ISSN 1561-8633, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Bitner-Gregersen, M
  • Fernandez, L., more
  • Lefevre, M
  • Monbaliu, J., more
  • Toffoli, A

Abstract
    A coupling of a spectral wave model with a nonlinear phase-resolving model is used to reconstruct the evolution of wave statistics during a storm crossing the North Sea on 8-9 November 2007. During this storm a rogue wave (named the Andrea wave) was recorded at the Ekofisk field. The wave has characteristics comparable to the well-known New Year wave measured by Statoil at the Draupner platform 1 January 1995. Hindcast data of the storm at the nearest grid point to the Ekofisk field are here applied as input to calculate the evolution of random realizations of the sea surface and its statistical properties. Numerical simulations are carried out using the Euler equations with a higher-order spectral method (HOSM). Results are compared with some characteristics of the Andrea wave record measured by the down-looking lasers at Ekofisk.

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