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Assessment of Water Quality Management System Application on Yongdam Reservoir  

Lee, Yo-Sang (Korea Institute of Water and Environment, Kwater)
Koh, Deuk-Koo (Korea Institute of Water and Environment, Kwater)
Yi, Hye-Suk (Korea Institute of Water and Environment, Kwater)
Jeong, Seon-A (Korea Institute of Water and Environment, Kwater)
Publication Information
Journal of Environmental Impact Assessment / v.17, no.4, 2008 , pp. 235-242 More about this Journal
Abstract
To develop a watershed management plan for protection of the lake water quality, the linkages among land use activities, stream water quality, and lake water quality must be understood. This study conducted to develop a Decision Support System(DSS) for the reservoir water quality managers and a comprehensive watershed management plan. This DSS has three main components; database, interactive decision model, and data delivery interface system. Graphic User Interface(GUI) was developed as the interface medium to deliver the data and modeling results to the end users. Water quality management scenarios in Yongdam reservoir consist of two parts. One is the watershed management, and the other is water quality management in the reservoir. The watershed management scenarios that were evaluated include as follows : a removal of point sources, control of waste water treatment plant, reductions in nonpoint sources, and the management of developed land. Water quality management scenarios in the reservoir include to install a curtain wall and to operate an algae removal system. The results from the scenario analysis indicate that the strategy of the reservoir water quality management can promise the best effectiveness to conserve the quality of reservoir water. It is expected that many local agencies can use this DSS to analyze the impact of landuse changes and activities on the reservoir watershed and can benefit from making watershed management decisions.
Keywords
Yongdam reservoir; DSS; Water quality management scenario;
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