期刊
CONTINENTAL SHELF RESEARCH
卷 26, 期 16, 页码 1940-1953出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.csr.2006.06.010
关键词
coastal areas; water quality model; Sepetiba Bay; numerical simulation
类别
A coupled hydrodynamic and water quality model is used to simulate the pollution in Sepetiba Bay due to sewage effluent. Sepetiba Bay has a complicated geometry and bottom topography, and is located on the Brazilian coast near Rio de Janeiro. In the simulation, the dissolved oxygen (DO) concentration and biochemical oxygen demand (BOD) are used as indicators for the presence of organic matter in the body of water, and as parameters for evaluating the environmental pollution of the eastern part of Sepetiba Bay. Effluent sources in the model are taken from DO and BOD field measurements. The simulation results are consistent with field observations and demonstrate that the model has been correctly calibrated. The model is suitable for evaluating the environmental impact of sewage effluent on Sepetiba Bay from river inflows, assessing the feasibility of different treatment schemes, and developing specific monitoring activities. This approach has general applicability for environmental assessment of complicated coastal bays. (c) 2006 Elsevier Ltd. All rights reserved.
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