A new mechanism for seaward dispersion of midshelf sediments

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Abstract
Silt‐ to sand‐size particles may be transported across middle continental shelves by currents forced by the radiation stress of variable‐amplitude swell. With the passage of each group of waves of sufficient amplitude for the high waves in the group to resuspend bottom sediments, there is a seaward bias in the return of sediments to the seafloor. Over a storm season, with the passage of many wave groups, the net seaward sediment displacement may be 1‐5 km.

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