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Stability and Fate of Dredged Material
This paper deals with the formation of deposits of dredged sediments on sub-aqueous disposal sites and then discusses the long-run behavior of the dredged material. The discussion is restricted to the disposal of fine-grained sediment from a hopper dredge in shallow water under slow to moderate currents. In the coastal waters of the northeastern U.S., resuspension of the top few millimeters of sediment is typical, and bioturbation may mix sediment to a depth of about 0.1 m. Under these conditions, dredged sediment in a deposit containing less than 100,000 cu m will be almost entirely exposed to the water column; if no net erosion occurs, containment is favored in deposits containing more than 10 to the 6th power cu m.
Stability and Fate of Dredged Material
This paper deals with the formation of deposits of dredged sediments on sub-aqueous disposal sites and then discusses the long-run behavior of the dredged material. The discussion is restricted to the disposal of fine-grained sediment from a hopper dredge in shallow water under slow to moderate currents. In the coastal waters of the northeastern U.S., resuspension of the top few millimeters of sediment is typical, and bioturbation may mix sediment to a depth of about 0.1 m. Under these conditions, dredged sediment in a deposit containing less than 100,000 cu m will be almost entirely exposed to the water column; if no net erosion occurs, containment is favored in deposits containing more than 10 to the 6th power cu m.
Stability and Fate of Dredged Material
H. J. Bokuniewicz (author)
1979
25 pages
Report
No indication
English
Solid Wastes Pollution & Control , Water Pollution & Control , Civil Engineering , Dynamic Oceanography , Dredging , Sediments , Solid waste disposal , Water pollution control , Coasts , Great Lakes , Harbors , Shallow water , Ocean currents , Erosion , Meetings , Reprints , New York Harbor , Sea Grant program
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