Research Article
Sep 1980
Wind-Driven Flow in Mississippi River Impoundment
Publication: Journal of the Hydraulics Division
Volume 106, Issue 9
Abstract
The analysis is made in order to determine: (1)How much of the Sturgeon Lake flow is drawn into the cooling water intake of the plant; and (2)by how much plant effluent cooling water or blowdown water is diluted by Sturgeon Lake effluent before entering the Mississippi River. A channel network analysis, including effects of wind stress on the water surface in addition to bed shear stress and local (minor) energy losses, was made to provide the required information. The Sturgeon Lake/North Lake system was studied before the complete analysis was made. In the absence of wind, flow through Sturgeon Lake amounted to about 22% of total river flow. At low plant withdrawal rates and at zero wind, the flow through the backwater channel in front of the plant outlet (channel 42) was about 10% of total river flow. Winds from 5 mph to 30 mph had a very noticeable effect on flows through Sturgeon Lake, particularly when total river flows were less that 10,000 cfs. The analysis was made without consideration of stratification effects near the plant intake and outlet.
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Published In
Journal of the Hydraulics Division
Volume 106 • Issue 9 • September 1980
Pages: 1503 - 1520
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Sep 1980
Published online: Feb 3, 2021
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Authors
Affiliations
Heinz G. Stefan, M.ASCE
Prof., Dept. of Civ. and Mineral Engrg., St. Anthony Falls Hydraulic Lab., Univ. of Minnesota, Minneapolis, Minn.
Keith J. Anderson, AM.ASCE
Engr., Consulting Engrs. Diversified, Osseo, Minn.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.
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.