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Development of Watershed and Reference Loads for a TMDL in Charleston Harbor System, SC.
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Watershed Management to Meet Water Quality Standards and Emerging TMDL (Total Maximum Daily Load) Proceedings of the Third Conference 5-9 March 2005 (Atlanta, Georgia USA) Publication Date 5 March 2005 701P0105.(doi:10.13031/2013.18084)
Authors: Silong Lu, Devendra Amatya, and Jamie Miller
Keywords: Non-point source, nutrient loading estimation, multiple regression
It is essential to determine point and non-point source loads and their distribution for development of a dissolved oxygen (DO) Total Maximum Daily Load (TMDL). A series of models were developed to assess sources of oxygen-demand loadings in Charleston Harbor, South Carolina. These oxygen-demand loadings included nutrients and BOD. Stream flow and nutrient concentration data from watersheds draining to the Charleston Harbor System were used to establish land use specific watershed loadings to assess existing watershed conditions. Nutrient and DO data collected from 15 stations were grouped into two categories: dry weather and wet weather. Then, the data were evaluated with respect to different types of land use. It was found that nutrient concentrations and DO correlated with percentage of urban land use and percentage of forest reasonable well.(Download PDF) (Export to EndNotes)