Long Term Prediction of Time Variation of Beach Profile and Sedimentation at Low-Energy-Beach
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概要
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Artificial sandy beach profiles and the vertical distributions of sediment grain size were measured monthly along one cross-shore line in Azure Maiko Beach for two years. All the measured profiles and vertical distributions are approximated using the quadratic profiles. In order to interpret the temporal variations of the quadratic profiles, six parameters are introduced. The principle component analysis was applied to evolutions of the six parameters to detect major variation modes. The relationships between the detected modes and the external forces, wave height and tidal level, are expressed using the multiple linear regression analysis. The first mode is found to be caused by tidal oscillations and the second by the energetic wave motions. Long term prediction of the modes is examined using these regression results.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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