Experiments to Determine the Backwater Effects of Submerged Sills in the St. Clair River
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
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This report describes the experiments made at the U. S. Waterways Experiment Station to determine the effects of proposed sills in the St. Clair River, and discusses the information obtained from the experiments. The tests indicate that a It is possible to secure the desired rise in level of Lake Huron by the use of sills at the locations proposed. b It is necessary to use sills of different cross-section from that proposed in order to obtain the desired effects. c Alternative locations for sills in the same reach of the river may be used. d Within reasonable limits, the backwater produced by any individual sill is not reduced by the proximity of another sill. e The backwater effects of the sills increase as the discharge of the river is increased. f The large eddy on the Canadian side of the river, opposite the Park street gage in Port Huron, is very much reduced in extent by the sills.
- Hydrology, Limnology and Potamology