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  • Wave modeling and extreme value analysis off the northern coast of the Persian Gulf

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    Author(s)
    Moeini, MH
    Etemad-Shahidi, A
    Chegini, V
    Griffith University Author(s)
    Etemad Shahidi, Amir F.
    Year published
    2010
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    Abstract
    This study aims to assess the quality of two sources of surface winds, i.e. the ECMWF (European Center for Medium Range Weather Forecasts) modeled and the measured data, for wave modeling in the Persian Gulf. A third generation model, i.e. SWAN was employed for wave simulation and the results were compared with the recorded wave data. It was found that ECMWF underestimates the wind magnitude and the results of the wave modeling need to be modified. In addition, it was revealed that the adaptation of the model parameters cannot lead to a comprehensive improvement of the model's results. The calibration of the wave model for ...
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    This study aims to assess the quality of two sources of surface winds, i.e. the ECMWF (European Center for Medium Range Weather Forecasts) modeled and the measured data, for wave modeling in the Persian Gulf. A third generation model, i.e. SWAN was employed for wave simulation and the results were compared with the recorded wave data. It was found that ECMWF underestimates the wind magnitude and the results of the wave modeling need to be modified. In addition, it was revealed that the adaptation of the model parameters cannot lead to a comprehensive improvement of the model's results. The calibration of the wave model for high waves led to the overestimation of low waves. On the other hand, the employed measured wind data was found to be a relatively good source for wave hindcasting at the studied location. Extreme value analysis was also conducted based on the measured and modeled wave data to investigate the influence of wave simulation on the estimation of design wave height. It was found that the Weibull distribution is better fitted to the measured and modeled wave data. Modeled wave heights forced by the ECMWF wind showed a different behavior compared with the measured and modeled wave heights forced by the measured wind from the viewpoint of the exceedance probability. A marginal difference was found between extreme wave heights obtained from measured and modeled data.
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    Journal Title
    Applied Ocean Research
    Volume
    32
    Issue
    2
    DOI
    https://doi.org/10.1016/j.apor.2009.10.005
    Copyright Statement
    © 2010 Elsevier Inc. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Oceanography
    Civil engineering
    Ocean engineering
    Resources engineering and extractive metallurgy
    Publication URI
    http://hdl.handle.net/10072/56358
    Collection
    • Journal articles

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