Stage‐Discharge Relationship in Tidal Rivers
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 118, Issue 2
Abstract
In coastal rivers, the water level is greatly affected by the upstream movement of a tidal wave. The latter creates higher flood stages that enlarge the flood plain areas and increase potential damages. In such rivers, the water level is not solely a function of the flow discharge but rather a joint function of both the discharge and tidal phenomena. The interference of the tidal backwater with the normal flow of the river causes a disruption in the normal stage‐discharge relationship. This paper attempts at formulating a linear relation between tidal water level and river flow discharge that can be used for the predictions of water level in coastal rivers and estuaries. Numerical applications were performed on the St. John river (New Brunswick) and the St. Lawrence river (Québec) in Canada with satisfactory results.
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References
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Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 118 • Issue 2 • March 1992
Pages: 166 - 174
Copyright
Copyright © 1992 ASCE.
History
Published online: Mar 1, 1992
Published in print: Mar 1992
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