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LI Shuiqing, ZHAO Dongliang. Comparisons on partitioning techniques to identify wind-wave and swell[J]. Haiyang Xuebao, 2012, 34(2): 23-29.
Citation: LI Shuiqing, ZHAO Dongliang. Comparisons on partitioning techniques to identify wind-wave and swell[J]. Haiyang Xuebao, 2012, 34(2): 23-29.

Comparisons on partitioning techniques to identify wind-wave and swell

  • Received Date: 2011-07-14
  • Rev Recd Date: 2011-08-09
  • The ocean waves are generally a mixer of wind-wave and swell. In this paper,a two-dimensional(2D) wave spectrum partitioning techniques and three one-dimensional(1D) wave spectrum partitioning techniques (i.e. PM technique, WH technique, JP technique) used to identify wind-wave and swell are examined based on the model results and the observations, it is shown that the 2D technique could provide most reliable results; compared with 2D technique, PM technique obviously overestimates the wind-wave components, WH technique overestimates the energy of wind-wave at low wind speed, while shows better agreement with 2D technique at higher winds, overestimations also occur in the case of JP technique; PM technique is modified to show better agreement with the 2D scheme, it is found that the improved PM technique provides most consistent results with the 2D scheme among the 1D techniques.
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