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A series of fifteen Sea Carousel deployments were undertaken along the length of Manitounuk Sound, Hudson Bay. The results of these deployments show that seabed measurements can be subdivided into three groups on the basis of their response to an applied bedload shear stress: (1) high erosion rates and low resistance to erosion, and (2) low erosion rates and high resistance to erosion. The two groups segregate into distinct morphological regions. Group 1 is found in the inner and central Sound, whereas group 2 is diagnostic of glaciolacustrine and glaciomarine sediments that crop out at the flanks of the Sound. …
