CGRG Bibliography of Canadian Geomorphology
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Author : Davies, M.H.; and MacDonald, N.J.
Date : 2004.
Title : Effects of navigation on the shorelines of the St. Lawrence River.
Publication : 11th Annual International Conference on the St. Lawrence River Ecosystem. "Managing our Waters: Great Lakes / St. Lawrence River Ecosystem". NAVCANADA Conference Centre, Cornwall, Ontario. May 18-19th, 2004.
Issue :
Page(s) : 8.
Abstract
Pacific International Engineering Corp. (PI Engineering) has been contracted by Environment Canada (EC) and the International Joint Commission (IJC) to study erosion and flooding processes along the St. Lawrence River downstream of the Moses-Saunders Power Dam as part of the IJC’s review of the regulation of flows and levels in the Lake Ontario – St. Lawrence River system. This lower portion of the St. Lawrence is characterized by highly erodible marine clay banks interspersed with sheltered wetlands. Hydrodynamics in the area are dominated by river flow and the effects of ship traffic. This paper focuses on the role of navigation in erosion processes in the St. Lawrence River. A discussion is presented of how navigation effects bank erosion and how this is being taken into consideration in the water level regulation study. Field observations along with computer models of ship wake generation have led to the development of a one-dimensional cohesive profile erosion model to predict the response of river banks to the combined effects of river flow, wind waves and ship waves. Changing trends in ship traffic and their potential impacts on the environment are also discussed.
Bibliography of Canadian Geomorphology