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|Title:||Modeling the fate and water quality impact of the proposed dredged material placement at site 104|
|Authors:||United States. Army. Corps of Engineers. Portland District. Office of the District Engineer|
Johnson, Billy H.
Teeter, Allen M.
Wang, Harry V. (Harry Ven-Chieh)
Cerco, C. F.
Moritz, Hans R.
Upper Chesapeake Bay
|Publisher:||Coastal and Hydraulics Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical Report ; CHL-99-2.|
Several numerical models (CH3D-WES, MDFATE, STFATE, SURGE, and CEQUAL-ICM) have been employed to provide information on potential losses of dredged material proposed to be placed at Site 104 in the Upper Chesapeake Bay and on potential water quality impacts. Placement of the material was assumed to either be from bottom-releasing barges or from hydraulic pump out from a barge with the material released near the bottom. CH3D-WES is a three-dimensional hydrodynamic model that was employed to provide bottom shear stresses and vertically averaged currents to the MDFATE model. MDFATE computes the building of sediment mounds because of the placement of material at the site and the possible erosion of sediment from those mounds. STFATE computes the fate of dredged material from the moment of its release into the water column until its initial placement on the seafloor. Therefore, STFATE provided estimates of the potential sediment loss to the water column during placement.
|Rights:||Approved for public release; distribution is unlimited.|
|Appears in Collections:||Technical Report|
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|TR-CHL-99-2.pdf||6.52 MB||Adobe PDF|