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Effect Analysis Regarding Different Scenarios to Improve Water Quality of the Lake Paldang Basin in Korea

  • Environmental Engineering
  • Published:
KSCE Journal of Civil Engineering Aims and scope

Abstract

The object of this research is to analyze the water quality improvement of Lake Paldang by implementing Integrated Lake Basin Management (ILBM). To establish ILBM, the basin environment database was built as well as water environment management support system for monitoring present conditions, and predicting changes in basin environment. The major contaminants in Lake Paldang Basin are from domestic pollution, agricultural land, and livestock. Scenarios for reducing contaminants were targeting the increase percentage of sewered population, agricultural and livestock contaminants reduction to analyze the water quality improvement effects. This study applied the SWAT model to Lake Paldang Basin using the basin environment database to improve the water quality of Lake Paldang in Korea. The results of calibration and validation of flow rate, Suspended Solids (SS), Total Nitrogen (TN) and Total Phosphorus (TP) showed that the measurement values and simulation values turned out to be similar, and that it is possible to apply the SWAT model to Lake Paldang Basin. The reduction efficiency of SS by scenario was 11-45%, TN 8-37%, and TP 7-35% and this shows that water quality was significantly improved prior to application. Therefore, to improve the water quality of Lake Paldang, it is recommended to implement the ILBM which is considered to play an important role in making water quality management policy in Korea.

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Authors and Affiliations

  1. Korea Institute of Civil Engineering and Building Technology, Gyeonggi-Do, 10223, Korea

    Hye-Cheol Oh

  2. Research Center for Environmental Quality Management, Kyoto University, 1–2, Yumihama, Otsu, 520-0811, Japan

    Yoshihisa Shimizu

  3. Dept. of Construction Environment Engineering, University of Science and Technology, Gyeonggi-Do, 10223, Korea

    Seog-Ku Kim

Authors
  1. Hye-Cheol Oh
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  2. Yoshihisa Shimizu
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  3. Seog-Ku Kim
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Correspondence to Hye-Cheol Oh.

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Oh, HC., Shimizu, Y. & Kim, SK. Effect Analysis Regarding Different Scenarios to Improve Water Quality of the Lake Paldang Basin in Korea. KSCE J Civ Eng 22, 3246–3253 (2018). https://doi.org/10.1007/s12205-017-1305-3

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  • DOI: https://doi.org/10.1007/s12205-017-1305-3

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