Spatial Decision Support System for Toxic Spill Modeling in the Ohio River

by Walter M. Grayman, W.M. Grayman Consulting Engineer, Cincinnati, United States,
Jason P. Heath, W.M. Grayman Consulting Engineer, Cincinnati, United States,
Richard M. Males, W.M. Grayman Consulting Engineer, Cincinnati, United States,



Document Type: Proceeding Paper

Part of: Water Resources Planning and Management: Saving a Threatened Resource—In Search of Solutions

Abstract: Spatial decision support systems (SDSS) are hardware-software systems that incorporate spatial analysis and modeling in a workstation environment. The Ohio River Valley Water Sanitation Commission (ORSANCO) has developed an SDSS for toxic spill modeling on the Ohio River. It utilizes hydraulic results generated by the Corps of Engineers' FLOWSED model as input to EPA's WASP4 water quality model. A menu driven system permits the non technical user to specify the spill characteristics, apply the water quality model and generate tabular and graphical outputs. The system is implemented on a PC-based workstation.

Subject Headings: Hydrologic models | Hazardous materials spills | Rivers and streams | Water quality | Decision support systems | Toxicity | Computer models | Mathematical models | Hydraulic models | Ohio River

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