Sediment Resuspension during Cutterhead Dredging Operations
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 126, Issue 3
Abstract
Sediments suspended during dredging operations impair water quality and can transport hydrophobic contaminants downstream. Suspended sediment transport models are available, but require an estimate of the rate of sediment resuspension resulting from the dredging operations. In this study, data from cutterhead suction dredging operations, an assessment of sediment resuspension mechanics during cutterhead suction dredging operations, and dimensional analysis are combined to develop empirical models of suspended sediment generation. The usefulness of the models for making a priori estimates of sediment resuspension rates associated with other cutterhead dredging operations is discussed. The sensitivity of the empirical models to variations in physical and operational parameters is investigated.
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Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 126 • Issue 3 • May 2000
Pages: 153 - 161
History
Received: Sep 8, 1997
Published online: May 1, 2000
Published in print: May 2000
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