Modeling and Data Uses in Hydraulic Transport Investigations, New Bedford Estuary, Mass.

by Allen M. Teeter, US Army Engineer Waterways, Experiment Station, United States,

Document Type: Proceeding Paper

Part of: Estuarine and Coastal Modeling


Field measurements, laboratory tests, and models were used together to make transport predictions for the sediments and dissolved materials which would be released by proposed dredging and disposal operations in upper New Bedford Harbor, Massachusetts. The study was part of a comprehensive engineering feasibility study for a dredging cleanup of highly contaminated sediments which blanket the upper New Bedford Harbor. Field measurements were made during a series of tidal surveys to characterized hydraulic and transport conditions for salt, sediment, and contaminants. Laboratory tests for settling, deposition, and resuspension of sediment material were conducted to determine what the behavior of dredging-related suspended sediment would be. Analytical and numerical models were applied to predict contaminant migrations. Escape probabilities and concentrations were calculated at critical points in the system.

Subject Headings: Hydraulic models | Dredged materials | Feasibility studies | Hydrologic data | Estuaries | Material tests | Material properties | Suspended sediment | Massachusetts | United States

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