These concentration data are combined with conceptual models for resuspended sediment source strength geometries and velocity patterns to estimate sediment source strengths for cutterhead and clamshell dredges. Army Corps of Engineers to assess the suspended sediment concentrations in the water column in the vicinity of various dredge types. This report summarizes field studies conducted by the U.S. ![]() Resuspension of sediments by dredging is affected by dredge characteristics, dredge operating conditions, properties of bottom and suspended sediments, and site-specific conditions such as bottom topography, ambient current, and depth. Interest in this issue increases when the sediment being dredged is highly contaminated. Resuspension of bottom sediments and resulting dispersal may pose water quality problems in waters near dredging operations. ![]() ![]() Abstract: Dredging in riverine, lacustrine, and estuarine environments introduces bottom sediments into overlying waters because of imperfect entrainment and incomplete capture of sediments resuspended during the dredging process and the spillage or leakage of sediments during subsequent transportation and disposal of the dredged sediments.
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