Document Type



Virginia Institute of Marine Science

Publication Date



Special Reports in Applied Marine Science and Ocean Engineering (SRAMSOE) No. 424


This project focused on numerical modeling of the Estuarine Turbidity Maximum (ETM) with the goal of improving the representation of the bottom boundary layer and turbulent mixing within the Chesapeake Bay Program’s model [see Cerco and Noel, 2004]. The effort has been part of the EPA’s sediment modeling initiative for the Chesapeake Bay, in coordination with the U.S. Army Corps of Engineers (USACE), Engineering Research and Development Center (ERDC). Research activities focused on the Upper Chesapeake Bay and major tributaries in Maryland (such as the Potomac River); and assisted management of the U.S. EPA TMDL (Total Maximum Daily Load) project under the provision of the 1972 Clean Water Act. This document reports progress made during the study. Many of the analysis were extended beyond the Upper Chesapeake Bay so that the results included the entire Chesapeake Bay and major tributaries, to assist in ERDC baywide modeling efforts. Figure 1 shows the bathymetry of Chesapeake Bay, and a representative grid used by the ERDC hydrodynamic and water quality model. This effort was divided into three tasks: (1) estimation of bed shear stress, (2) data analysis, and (3) technology transfer. The following lists progress made within each task throughout the three year program.



Estuaries, Modeling



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