Research Article
Aug 1972
Reducing Ice Formation at Navigation Dams
Publication: Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 98, Issue 3
Abstract
Increasing the turbulence at the movable gates of the Mississippi River Navigation Dams in the St. Paul District by discharging over bulkheads during the winter rather than under the gates has prevented severe icing at the dam. This study has shown that movement of the gates has been facilitated substantially, but maintenance costs on the bulkheads have increased. Providing aeration facilities culverts through the earth dams and slots through emergency spillways, have increased dissolved oxygen in downstream slackwaters and have benefited fish life by reducing stagnation. Additional aeration is possible by improving facilitations.
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Information
Published In
Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 98 • Issue 3 • August 1972
Pages: 343 - 355
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Aug 1972
Published online: Feb 12, 2021
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Authors
Affiliations
Henry W. Harich
Chf., Reservoir Regulating Section, Corps of Engineers, St. Paul District, St. Paul, Minn.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.