2-D analytical transport model to predict the fate of resuspended sediments without particle flocculation in a water column. Source strength models for mechanical and hydraulic dredging operations.ĩ. Ability to save all output information in MS Excel (*.xls) file format.Ĩ. The river discharges into Lake Erie near the head of the Niagara River in Erie County, New York. In 1987, the Buffalo River and its surrounding area was designated as an Area of Concern as part of the Great Lakes Water Quality Agreement. Spreadsheet and graphical output capabilities.ħ. The Buffalo River Area of Concern (AOC) is located in Western New York in the city of Buffalo. On-line help system to guide user through the application.Ħ. Extensive toxic organic chemical and heavy metal database system plus default Kow values for over 200 chemicals.ĥ. Relational database system with point-and-click interface for contaminant modeling.Ĥ. Graphical user interface (GUI) for user data input, spreadsheet output, and graphical output.ģ. Easy and rapid calculation of dredge plume concentrations resulting from mechanical and hydraulic dredging operations.Ģ. DREDGE also estimates particulate and dissolved contaminant concentrations in the water column based upon sediment contaminant concentrations and equilibrium partitioning theory. These are combined with information about site conditions to simulate the size and extent of the resulting suspended sediment plume. DREDGE estimates the mass rate at which bottom sediments become suspended into the water column as the result of hydraulic and mechanical dredging operations and the resulting suspended sediment concentrations. DREDGE was developed to assist users in making a priori assessments of environmental impacts from proposed dredging operations.
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