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Physical forces generated by barge-tow traffic within a navigable waterway


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Movement of navigation traffic such as barge tows within a restricted inland waterway such as the Illinois, Mississippi, or Ohio Rivers can and will alter the flow field in and around the moving vessel. These changes in the flow field will include altered velocity distributions, increase and/or decrease in the pressure field, and a directional change of the flow within the zones of return flows. Normally, as a barge-tow configuration of about 105 feet by 1,100 feet in surface area and a 9-foot draft moves within a river cross section of about 800 feet by 12 feet, significant changes on the flow field occur. River traffic such as this can also generate waves and drawdown, which sometimes range from a few inches to 12 inches or more. [...]



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Pages 604-609 in Howard H. Chang and Joseph C. Hill, editors. Volume 1, Hydraulic Engineering, Proceedings, 1990 National Conference of the Hydraulics Division of the American Society of Civil Engineers, San Diego, California, July 30-August 3, 1990. Reprinted by U.S. Fish and Wildlife Service, Environmental Management Technical Center, Onalaska, Wisconsin

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