Research Article
Apr 1974
Numerical Model of St. Lawrence River Estuary
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VIEW THE REPLYAuthors: David Prandle and Norman L. CrookshankAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 100, Issue 4
Abstract
The numerical scheme of tidal propagation involved an explicit finite-difference solution to the shallow-water wave equations. This model was combined with one-dimensional models of the higher reaches of the St. Lawrence and Saguenay Rivers. The resulting model represents a complete simulation of the estuary to the limits of the tidal influence. Computed values of the depth-averaged velocities showed good agreement with field recordings of surface velocities in the upstream section of the lower estuary. However, results in the downstream section indicated the magnitude of the computed velocities to be lower than the recorded surface velocities. This inconsistency has been related to the degree of the vertical density stratification existing in the estuary. An examination was made of the influence of the Coriolis force on the flow in the lower estuary.
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Published In
Journal of the Hydraulics Division
Volume 100 • Issue 4 • April 1974
Pages: 517 - 529
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Apr 1974
Published online: Feb 3, 2021
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Authors
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David Prandle
Sr. Scientific Officer, Inst. of Coastal Oceanography and Tides, Bidston Observatory, Birkenhead, Cheshire
Norman L. Crookshank
Civ. Engr., National Research Council of Canada, Ottawa, Ontario
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