Numerical Modeling of Fine Sediment Physical Processes

by David H. Schoellhamer, US Geological Survey, Gulf Coast, Hydroscience Cent, NSTL Station, MS, USA,

Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age


Fine sediment in channels, rivers, estuaries, and coastal waters undergo several physical processes including flocculation, floc disruption, deposition, bed consolidation, and resuspension. This paper presents a conceptual model and reviews mathematical models of these physical processes. Several general fine sediment models that simulate some of these processes are reviewed. These general models do not directly simulate flocculation and floc disruption, but the conceptual model and existing functions are shown to adequately model these two processes for one set of laboratory data.

Subject Headings: Numerical models | Simulation models | Physical models | Sediment | Coastal processes | Fluid flow | Hydraulic models | Sediment transport

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