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Investigation of unexpected sea-states
Toffoli, A.; Lefèvre, J.M.; Josse, P.; Monbaliu, J. (2004). Investigation of unexpected sea-states, in: Proceedings of the 23rd International Conference on Offshore Mechanics and Arctic Engineering (OMAE), Vancouver, Canada, 20-25 June, 2004.
In: (2004). Proceedings of the 23rd International Conference on Offshore Mechanics and Arctic Engineering (OMAE), Vancouver, Canada, 20-25 June, 2004 American Society of Mechanical Engineers (ASME): New York. ISBN 9780791837436, meer
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Documenttype: Congresbijdrage
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  • Toffoli, A., meer
  • Lefèvre, J.M.
  • Josse, P.
  • Monbaliu, J., meer
Abstract
    It is assumed that dangerous and unexpected sea-states may occur if the sea conditions are fairly rough. It is therefore of concern to meteo centers to include sea-state related parameters in marine weather forecast when they exceed a certain threshold. To select appropriate parameters that can point at dangerous wave events, the sea-state at the time and location of shipping accidents reported as being due to bad weather by the Lloyd's Marine Information Service (LMIS) were extracted from the ECMWF ERA-40 archive. The analysis of these wave parameters reveals the occurrence of apparently rather low sea-states (e.g. Hm0 < 4 m). To test the findings against the related oceanographic features, wave climatology was computed. The present study aims at finding a possible correlation between wave climate and shyipping incidents to identify warning criteria.
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