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Sediment traps and echo sounder profiles collected between 1984 and 1987 were used to determine the rate and style of sediment infilling of a fjord basin with a temperate tidewater glacier at its head. McBride Glacier retreated rapidly (0.25 km/yr, 1984–1986; 0.05 km/yr, 1986–1987) enlarging a 90- to 100-m-deep basin adjacent to the terminus. Highly turbid meltwater is discharged subglacially at the base of the water column and rises to the surface forming turbid overflow plumes. Sedimentation rates from suspension settling decrease exponentially with distance from the subglacial stream; from 24 g/cm2/day at the terminus to less than...

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