Commercial Navigation Technical Working Group

This Technical Working Group (TWG) will improve our understanding of the relationships between transportation costs and water levels and flows. For example, ships carry lighter loads in order to compensate for low levels in connecting channels, requiring additional trips and increasing costs. Likewise, higher levels allow for deeper draft vessels carrying heavier loads. Flow variations at the Sault Ste. Marie power plans also affect commercial shipping interests, with high flows during the day benefiting navigation and lower flows at night and on weekends potentially delaying ship transits and affecting cargo capacity. This TWG will examine such issues as “peaking and ponding” and work with other TWGs to determine system-wide benefits and detriments and identify changes to regulation plans or criteria that might improve operations for navigation interests. A key focus will be climate change and variability and how commercial navigation may need to adapt to respond to more extreme conditions than experienced in the recent past.




Canada USA
Ralph Moulton
Co-lead
Engineer, Boundary Waters Issues

Environment Canada
867 Lakeshore Rd.
Burlington, ON L7R 4A6

Email: ralph.moulton@ec.gc.ca


Ralph Moulton David L. Wright
Co-lead
Senior Project Manager

U.S. Army Corps of Engineers, Detroit District
477 Michigan Avenue
Detroit MI 48226

Email: David.L.Wright@usace.army.mil


David Wright