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Probabilistic modelling of long-term beach evolution near segmented shore-parallel breakwaters
AbstractThis paper presents a new framework for probabilistic modelling of long-term beach evolution in the vicinity of detached breakwaters. The study focuses on the key physical processes contributing to beach variability over a range of spatial and temporal scales. Based on a one-line model, the framework is enhanced with sophisticated solutions for beach-wave-structure interaction, diffraction together with a treatment of varying tide level. The sediment transport rate is calibrated at regional and local levels using data from bespoke field campaigns and site-specific coefficients are proposed. Monte Carlo simulation is conducted for long-term shoreline simulation under a sequence of time varying sequence of waves, currents and tidal levels. The results of the Monte Carlo simulation give an insight into the statistical characteristics of beach behaviour within the defence system. In particular, regions within the scheme that are relatively stable and those that exhibit greater natural fluctuations are identified.
Probabilistic modelling of long-term beach evolution near segmented shore-parallel breakwaters
AbstractThis paper presents a new framework for probabilistic modelling of long-term beach evolution in the vicinity of detached breakwaters. The study focuses on the key physical processes contributing to beach variability over a range of spatial and temporal scales. Based on a one-line model, the framework is enhanced with sophisticated solutions for beach-wave-structure interaction, diffraction together with a treatment of varying tide level. The sediment transport rate is calibrated at regional and local levels using data from bespoke field campaigns and site-specific coefficients are proposed. Monte Carlo simulation is conducted for long-term shoreline simulation under a sequence of time varying sequence of waves, currents and tidal levels. The results of the Monte Carlo simulation give an insight into the statistical characteristics of beach behaviour within the defence system. In particular, regions within the scheme that are relatively stable and those that exhibit greater natural fluctuations are identified.
Probabilistic modelling of long-term beach evolution near segmented shore-parallel breakwaters
Wang, Baoxing (author) / Reeve, Dominic (author)
Coastal Engineering ; 57 ; 732-744
2010-03-18
13 pages
Article (Journal)
Electronic Resource
English
Probabilistic modelling of long-term beach evolution near segmented shore-parallel breakwaters
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Probabilistic modelling of long-term beach evolution near segmented shore-parallel breakwaters
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