Sediment Tracer Tracking and Numerical Modeling at Coos Bay Inlet, Oregon

Li, Honghai; Beck, Tanya M.; Moritz, Hans R.; Groth, Katharine C.; Puckette, Trapier; Marsh, Jon; Sánchez, Alejandro

doi:10.2112/jcoastres-d-17-00218.1

Cited by 6 publications

(2 citation statements)

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“…To assess sediment migration from dredged material placement sites, the current study needs to trace sediment and demonstrate sediment plume spreading originated from those sites. This process can be specified and computed using the CMS feature of sediment tracer simulations (Li et al 2019).…”

Section: Sediment Plume Modelingmentioning

confidence: 99%

“…The sediment tracer with a certain grain size can be specified as one class of multiple-size sediment. By tagging the sediment tracer and accounting the history of bed composition within each layer, a multiple-size sediment transport simulation can represent the movement of the sediment tracer with varying grain sizes, perform the tracking of traced volumes (masses) of sediments, and map sediment plume distribution across a model domain (Li et al 2019).…”

Section: Sediment Plume Modelingmentioning

confidence: 99%

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Use of sediment tracers to evaluate sediment plume at Beaufort Inlet and Adjacent Beaches, North Carolina

Li,

Rucker,

Lin

et al. 2024

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This report documents a numerical modeling investigation on the transport of sediment material placed on designated disposal sites adjacent to Beaufort Inlet, North Carolina. Historical and newly collected wave and hydrodynamic data around the inlet are assembled and analyzed. The data sets are used to calibrate and validate a coastal wave, hydrodynamic and sediment transport model, the Coastal Modeling System. Model alternatives are developed corresponding to different material placement sites. Sediment transport and sediment plume distribution are evaluated within and around the immediate vicinity of the Beaufort Inlet estuarine system for a representative summer and winter month. Results of model simulations show that high flows occur along navigation channels and low flows occur outside the inlet in open ocean area. Sand materials placed in nearshore sites tend to be trapped in and move along navigation channels entering the inlet. In offshore placement sites the sediment plume shows slow spreading and no significant sand migration from its release locations. Simulations for the summer and winter month present similar distribution patterns of sediments originating from placement sites.

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Section: Sediment Plume Modelingmentioning

confidence: 99%

Section: Sediment Plume Modelingmentioning

confidence: 99%