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Abstract ▼ AI-Helper

Most lakes are more than 50 years old in Korea, and the vulnerability to water pollution in lake areas has increased due to the increase of inflow pollutant loads caused by human activities. This study has investigated water quality characteristics for the six lakes in Geum River basin through an an...

Most lakes are more than 50 years old in Korea, and the vulnerability to water pollution in lake areas has increased due to the increase of inflow pollutant loads caused by human activities. This study has investigated water quality characteristics for the six lakes in Geum River basin through an analysis of long-term water quality trends. It is observed that most results from the six lakes show unstable periodicities in long-term water quality observations and all lakes have low water quality with a level IV and above. Water quality improvement is required for the four lakes except Tapjeong Lake and Boryeong Lake, and water quality management plans are urgently needed especially for Sapgyo Lake where the water quality has been continuously deteriorating. On the other hand, Boryeong Lake well managed for water control and use in multi-purpose dam operations keeps water quality high compared with other lakes under study. It is expected that the results in this study can make a contribution to the water quality management plan incorporating long-term seasonal water quality changes.

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