A HYBRID MODEL OF SWASH-ZONE LONGSHORE SEDIMENT TRANSPORT ON REFLECTIVE BEACHES
نویسندگان
چکیده
منابع مشابه
Swash zone sediment transport
Preface This thesis is the result of a study, investigating the swash zone sediment transport processes. The first part of the thesis work has taken place on the University of Queensland, in Brisbane, Australia. The second part took place in Delft at WL Delft Hydraulics and was funded by the Delft Cluster Project Coasts (03.01.03). My special gratitude goes to Stefan Aarninkhof for his daily as...
متن کاملSediment transport partitioning in the swash zone of a large - scale laboratory beach
Swash zone sheet flow and suspended sediment transport rates are estimated on a 14 coarse sand beach constructed in a large-scale laboratory wave flume. Three test cases under 15 monochromatic waves with wave heights of 0.74 m and wave periods of 8 and 12.2 s were 16 analyzed. Sediment flux in the sheet flow layer exceeds several hundred kg m s during both 17 uprush and backwash. Suspended sedi...
متن کاملLongshore current dislocation on barred beaches
[1] We present a numerical investigation of longshore currents driven by breaking waves on barred beaches. Alongshore inhomogeneity in the wave envelope or bathymetry leads to the generation of strong dipolar structures when the waves are breaking. The dynamics of these structures transfer momentum from the bar of the beach into the trough. This study is pursued using a new model that allows lo...
متن کاملEvaluation of the Cerc Formula Using Large-scale Model Data
Longshore transport experiments were conducted in a large-scale physical model to evaluate predictions of the CERC formula with measured longshore sediment transport rates. It was found that the CERC formula produced reasonable estimates if the coefficient K was calibrated and applied to waves with similar breaker type. The calibrated K values are much smaller than values that are commonly used...
متن کاملLongshore Sediment Transport Rate Measured by Short-term Impoundment
The total longshore sediment transport rate in the surf zone was measured at a temporary groin installed at Indian Rocks Beach, west central Florida. Approximate mass balance between updrift accumulation and downdrift erosion, which served as an indicator of reliability, was obtained in four of the six runs, which were subjected to further analysis. Magnitudes of three of the four transport rat...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Coastal Engineering Proceedings
سال: 2011
ISSN: 2156-1028,0589-087X
DOI: 10.9753/icce.v32.sediment.29