| Hydraulic Evaluation of Discharge Over Submerged Rock Wing Dams on the Upper Mississippi River |
AUG 1999 |
5 pages |
| Authors:
Jon S. Hendrickson; Michelle J. Schneider; CORPS OF ENGINEERS ST PAUL MN ST PAUL DISTRICT
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 | This technical note presents prototype data and equations for predicting discharge over the top of submerged wing dams. This analysis was part of a study, done through the Corps of Engineers' Land Management System, to determine the impacts of zebra mussels on water quality and ecological conditions in the Upper Mississippi River (UMR). Wing dams (also called spur dikes) are rock structures constructed perpendicular to the flow direction in a ... |
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| Upper Mississippi River Hydrodynamics: |
JUN 95 |
62 pages |
| Authors:
Jon S. Hendrickson; Farley R. Haase; Michelle T. Hoff; CORPS OF ENGINEERS ST PAUL MN ST PAUL DISTRICT
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| A current trend in many reaches on the Upper Mississippi river is one of increased hydraulic conveyance through backwater areas with subsequent decreases in navigation channel flows This increases both the sediment load to backwaters and the amount of navigation channel shoaling requiring maintenance dredging. During the last 20 years, The St. Paul District, Corps of Engineers has implemented several projects to reverse this trend. As part of these projects, ... |
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| Hydrodynamic Conditions in the Black River Delta/Lake Onalaska Area, Pool 7, Upper Mississippi River, 1980-81 and 1991-92 |
AUG 94 |
85 pages |
| Authors:
Jon S. Hendrickson; Farley R. Haase; CORPS OF ENGINEERS ST PAUL MN ST PAUL DISTRICT
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| Lake Onalaska is connected to the main channel of the Mississippi River and to the Black River by a network of secondary and distributary channels. Concerns have developed that changes in the flow conveyance of these channels, due to erosion and deposition, is altering the long term distribution of water in Lake Onalaska; with the ration of Mississippi River to Black River water increasing. Maintaining or decreasing this ratio is ... |
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