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Multiple Scales Of Beach Morphodynamic Processes: Measurements And Modelling, Jun Cheng
Multiple Scales Of Beach Morphodynamic Processes: Measurements And Modelling, Jun Cheng
USF Tampa Graduate Theses and Dissertations
Multiple scales of beach morphodynamic processes ranging from those of wave-breaking induced turbulence, individual wave, storm, seasonal, to inter-annual are examined in this dissertation based on both laboratory and field data. These processes were simulated using process-based numerical models and data-driven models.
At a microscale, separating turbulence from orbital motion under breaking waves in the surf zone is essential to understanding wave-energy dissipation. Velocity data under monochromatic and random waves in the large-scale sediment transport facility (LSTF) were analyzed. Moving averaging provides a simple method for extracting turbulence from velocity measurements under random breaking waves collected at a reasonably high …