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A comparison of extreme wave analysis methods with 1994-2010 offshore Perth dataset

机译：极端波浪分析方法与1994-2010年海上珀斯数据集的比较

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摘要

This study took the hourly wave height records collected 10 km southwest of Rottnest Island, offshore of Perth, Western Australia, from 1994 to 2010 as a testing ground and compared the results obtained by the Goda method commonly used in costal engineering community, the generalised extreme value (GEV) and generalised Pareto distribution (GPD) methods which are currently the standard practice in mainstream extreme statistics. The results highlight the merits and limitations associated with those methods and formulas. It is recommended that the coastal engineering community should embrace the GPD distribution as one of the credible candidates due to its merits in the threshold selection techniques and the nature of the distribution. The conventional distributions recommended by Goda could be the other candidates provided a properly selected threshold value. The final selection of the distributions should be made based on the goodness-of-fit test demonstrated in this study. Finally the extreme wave heights for offshore Perth are recommended based on 1994 to 2010 dataset.
机译：这项研究以1994年至2010年在西澳大利亚州珀斯近海的Rottnest岛西南10公里处收集的每小时波高记录作为试验场，并比较了沿海工程界普遍采用的Goda方法获得的结果，即广义极端值（GEV）和广义帕累托分布（GPD）方法，这些方法目前是主流极端统计中的标准做法。结果突出了与那些方法和公式相关的优缺点。建议沿海工程界将GPD分布视为可靠的候选者之一，因为它在阈值选择技术和分布性质方面具有优势。 Goda推荐的常规分布可能是其他提供适当选择阈值的候选对象。分布的最终选择应基于本研究中证明的拟合优度检验。最后，根据1994年至2010年的数据集，推荐了珀斯近海的极端波高。

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  • 来源
    《Coastal engineering》 |2012年第2012期|p.1-11|共11页
  • 作者

    Fangjun Li; Charlie Bicknell; Reena Lowry; Yun Li;

  • 作者单位

    Department of Transport, Western Australia,1 Essex Street, Fremantle, WA 6160, Australia;

    Department of Transport, Western Australia,1 Essex Street, Fremantle, WA 6160, Australia;

    Department of Transport, Western Australia,1 Essex Street, Fremantle, WA 6160, Australia;

    CSIRO Mathematics, Informatics and Statistics (CMIS), Leeuwin Centre, 65 Brockway Road, Floreat, WA 6014, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    extreme analysis; wave height; coastal engineering; perth; western australia;

    机译：极端分析;波高海岸工程;珀斯澳大利亚西部;

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