The deep waters in the Laurentian Channel / L.M. Lauzier and R.W. Trites. : Fs97-27/5E-PDF

"The Laurentian Channel is a deep trough that extends from the edge of the Continental Shelf through the Gulf of St. Lawrence and into the estuary of the St. Lawrence. This channel, which cuts through the Continental Shelf, separates the Grand Banks and the Scotian Shelf. From the edge of the Continental Shelf to Cabot Strait, it has depths ranging approximately from 600 to 400 metres. From Cabot Strait inward for a distance of about 400 miles, it shallows to 200 metres and terminates abruptly in the vicinity of the Saguenay River. Cabot Strait provides the only opening to the deep waters of the Gulf of St. Lawrence. This Strait is 56 miles wide (104 km.) and has a maximum depth of of 480 metres. Its cross section has an area of 35 sq. km. The currents through Cabot Strait have been investigated by Dawson (1913), Sandstrom (1919), and MacGregor (1956). The circulation in Cabot Strait is featured by an outflowing current along the Cape Breton side and an inflowing current along the Newfoundland side. Dynamic calculations show strongest currents in August and least in April and May"--Introduction, page [1].

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