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Nueces Bay TMDL Project for Zinc in Oyster Tissueby Imane Mrini, B.S. ABSTRACT Nueces Bay is on the 303(d) list of impaired water bodies for not meeting the oyster water use due to elevated zinc concentrations in oyster tissue. This work is a preliminary study for the Nueces Bay TMDL project. Information and data about zinc concentrations in water, sediments, oyster tissue and contributing point and non-point sources of zinc in Nueces Bay, are compiled and analyzed. Zinc loadings are determined for each contributing point and non-point source, and a simple water quality-loading model is used to simulate equilibrium concentrations of total zinc in Nueces Bay. Two Continuously Stirred Tank Reactor (CSTR) model scenarios are performed, where loads from the Corpus Christi Inner Harbor through the Central Power and Light (CP&L) station are excluded in the first scenario, and included in the second. Results of the CSTR modeling indicate that high total zinc concentrations in Nueces Bay may be due to the water discharged by the CP&L station from the Corpus Christi Inner Harbor. The highlighted links that follow are connected to Adobe pdf files of the corresponding material. To view them you must have the Adobe Acrobat Reader 3.0. View the Report...(14525 KB)
These materials may be used for study, research, and education, but please credit the authors and the Center for Research in Water Resources, The University of Texas at Austin. All commercial rights reserved. Copyright 2002 Center for Research in Water Resources. |
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