Numerical Modeling of Fine Sediment Physical Processes

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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:

Abstract: 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: Mathematical models | Physical models | Data processing | Sediment | Simulation models | Flocculation | Fluid flow | Coastal processes |

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