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Evaluation of the wave transformation in an open bay with two spectral models

机译：使用两个光谱模型评估开放式海湾中的波变换

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摘要

An evaluation of two state of the art phase averaged wave models for the transformation scale, SWAN and STWAVE, is carried out in the present work. The target area is the Obidos Bay located in the central part of the Portuguese continental nearshore. The wave input for the two models is provided by an offshore buoy. In order to compare the nearshore outputs of the wave models against in-situ measurements, a directional buoy and an ADCP, operating in intermediate water depth, are used. The wave parameters considered for comparisons are significant wave height, peak period and wave direction. Sensitivity analyses studies and evaluations in the spectral and geographical spaces concerning the results of the two models are also carried out in both intermediate and shallow water. The present study provides some information on the performances of the two wave models in different forcing conditions as well as on their sensitivity in relationship with various input parameters and some physical processes. STWAVE appears to be faster and more robust than SWAN, which on the other hand has more options and flexibility. In statistical terms the results are comparable.
机译：在当前工作中，对转换尺度的两个最新相位平均波模型SWAN和STWAVE进行了评估。目标区域是位于葡萄牙大陆近岸中部的奥比都斯湾。两种型号的波浪输入由一个海上浮标提供。为了将波浪模型的近岸输出与现场测量结果进行比较，使用了在中等水深下运行的定向浮标和ADCP。用于比较的波浪参数是重要的波浪高度，峰值周期和波浪方向。在中水和浅水区也对光谱和地理空间中的两个模型的结果进行了敏感性分析研究和评估。本研究提供了有关两种波模型在不同强迫条件下的性能以及它们与各种输入参数和某些物理过程的关系的敏感性的一些信息。 STWAVE似乎比SWAN更快，更健壮，而SWAN具有更多的选择和灵活性。从统计学上讲，结果是可比的。

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  • 来源
    《Ocean Engineering》 |2011年第16期|p.1763-1781|共19页
  • 作者

    Eugen Rusu; Marta Gongalves; C. Guedes Soares;

  • 作者单位

    Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Tecnico, Technical University of Lisbon, Portugal;

    Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Tecnico, Technical University of Lisbon, Portugal;

    Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Tecnico, Technical University of Lisbon, Portugal;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    wave transformation; spectra models; SWAN-STWAVE; wave measurements; sensitivity;

    机译：波变换光谱]模型;天鹅波;波浪测量灵敏度;

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