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WRRCTR No.138 Water Quality Simulation of Wahiawa Reservoir, Oahu, Hawaii

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Title: WRRCTR No.138 Water Quality Simulation of Wahiawa Reservoir, Oahu, Hawaii
Authors: Moore, Stephen F.
Lowry, G Stephen
Young, George P.
Young, Reginald H.F.
Keywords: water pollution contral
water resources management
multiple purpose reservoirs
water quality simulation
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Wahiawa Reservoir

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LC Subject Headings: Reservoirs -- Hawaii -- Mathematical models.
Wahiawa (Hawaii)
Water quality -- Hawaii -- Oahu -- Mathematical models.
Issue Date: Sep 1981
Publisher: Water Resources Research Center, University of Hawaii at Manoa
Citation: Moore SF, Lowry GS, Young GP, Young RHF. 1981. Water quality simulation of Wahiawa reservoir, Oahu, Hawaii. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 138.
Series/Report no.: WRRC Technical Report
Abstract: Wahiawa Reservoir is a small multi-use facility located on the central plain of Oahu, Hawaii. The goal of this study was to develop and apply a computer-simulation model of water quantity and quality in Wahiawa Reservoir. The model was used to evaluate alternate water quality management strategies. The model represents the reservoir as a dynamic, one-dimensional (vertical) system. Primary emphasis is placed on representing vertical and temporal changes in water level, water temperature and dissolved oxygen. A unique feature of the model is the inclusion of the effects of artificial aeration. Model calibration was accomplished by obtaining statistically acceptable comparisons between simulated and observed water quality values over a 1-yr interval. Model verification results demonstrated a low predictive accuracy for the model as calibrated. However, the general response behavior of the reservoir is well represented by the model. Examples of using the model to predict effects of alternate management strategies showed that anaerobic conditions depend on oxygen demanding sediments and high algal productivity of surface waters. Artificial aeration appeared to be the most effective water quality management strategy.
Sponsor: Office of Water Research and Technology, U.S. Department of the Interior Grant/Contract No. 14-34-0001-0113. -113 (A-08S-HI)
Pages/Duration: viii + 76 pages
Appears in Collections:WRRC Technical Reports

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