Development of a Dissolved Oxygen TMDL for Brunswick River Using a 2-D Hydrodynamic and Water Quality Model
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Author(s)
Rodriguez, Hugo N.
Peene, Steven J.
Advisor(s)
Editor(s)
Hatcher, Kathryn J.
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Abstract
St. Simons Sound and Brunswick River are located in an estuary along the Atlantic Coast
approximately 80 miles south of Savannah, Georgia, and
70 miles north of Jacksonville, Florida. They were placed on the 303(d) list for dissolved oxygen. As prescribed
under the Clean Water Act, a Total Maximum Daily Load
(TMDL) has been determined for these listed reaches.
In order to determine the allowable TMDL for
oxygen demanding material considering the potential
impacts of ongoing point source, non-point source, marsh
loadings, and benthic conditions, a two-dimensional
hydrodynamic, transport, and water quality model was
developed. The primary point source discharge to the
system is a paper mill along the Brunswick River. The
Environmental Fluid Dynamics Code (EFDC)
hydrodynamic model was utilized along with the Water
Quality Analysis Simulation Program (WASP). The
model system provides accurate simulations of the
circulation and transport within the system, this was
verified through simulation of salinity. The model
projected an allowable TMDL and referenced that
allowable loading to natural and anthropogenic sources.
Sponsor
Sponsored and Organized by: U.S. Geological Survey, Georgia Department of Natural Resources, Natural Resources Conservation Service, The University of Georgia, Georgia State University, Georgia Institute of Technology
Date
2001-03
Extent
Resource Type
Text
Resource Subtype
Proceedings