Water Quality Modeling of a Hypoxic Stream

by Chou-Ping Yang, (corresponding author), Assistant Professor; Center for Teaching Excellence, National Pingtung Univ. of Science and Technology, No. 1, Shuefu Rd., Neipu, Pingtung 912, Taiwan, d88521002@ntu.edu.tw,
Wu-Seng Lung, Professor; Dept. of Civil and Environmental Engineering, Univ. of Virginia, Charlottesville, VA 22904-4742., WL@virginia.edu,
Jan-Tai Kuo, Former Professor; Dept. of Civil Engineering and Hydrotech Research Institute, National Taiwan Univ., Taipei 106, Taiwan,
Jih-Hung Liu, Ph.D. Candidate; Dept. of Civil Engineering, National Taiwan Univ., Taipei 106, Taiwan., d94521027@ntu.edu.tw,

Serial Information: Issue 2, Pg. 115-123

Document Type: Journal Paper

Abstract: The WASP/EUTRO model was used to model a low dissolved oxygen (DO) stream in Taiwan as part of the water quality management effort to restore the stream. The low DO is the result of industrial wastewater discharges causing significant oxygen consumption due to carbonaceous and nitrogenous biochemical oxygen demand in the receiving water. The modeling effort was supported by a field monitoring program including two water quality surveys of the stream. The model calibrated with these two data sets, and also used unit response analysis to calculate the DO deficit contributed by individual loads. The calibrated model was used to evaluate wastewater management alternatives to restore the stream.

Subject Headings: Water quality | Rivers and streams | Hydrologic models | Ecological restoration | Dissolved oxygen | Quality control | Water discharge | Industrial wastes | Taiwan | Asia

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