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      상수원 농촌유역의 영양염류 부하 특성 = Pollutant Load Characteristics of Rural watershed in Southern Korea

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      https://www.riss.kr/link?id=A105352691

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      A monitoring study has been conducted to identify hydrologic conditions, water quality and nutrient loading characteristics of small watershed in Juam Lake. Climate data of the watershed was collected; flow rate was measured and water quality sampling was conducted at the watershed outlet for this study. Water quality data revealed that T-N concentrations were not much varied between storm and base flow period while T-P concentrations were increased a lot during storm period compared to base flow period. Major portion of runoff amount discharged by a few storm events a year and nutrient loading showed apparent seasonal variation. Observed water quality exceeded water quality standard, but relatively low compared to wastewater. Huge runoff amounts were inflowed in short-term intermittently. Water quality improvement couldn't be achieved by treatment facilities due to above conditions. Therefore, water quality improvement by abating nonpoint source pollution in rural watershed of monsoon climate should be focused on source control. T-P losses from paddy field consist significant amount of total load from study watershed and management of drainage from paddy field is considered to be important for preventing algal blooming problem in Juam Lake.
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      A monitoring study has been conducted to identify hydrologic conditions, water quality and nutrient loading characteristics of small watershed in Juam Lake. Climate data of the watershed was collected; flow rate was measured and water quality sampling...

      A monitoring study has been conducted to identify hydrologic conditions, water quality and nutrient loading characteristics of small watershed in Juam Lake. Climate data of the watershed was collected; flow rate was measured and water quality sampling was conducted at the watershed outlet for this study. Water quality data revealed that T-N concentrations were not much varied between storm and base flow period while T-P concentrations were increased a lot during storm period compared to base flow period. Major portion of runoff amount discharged by a few storm events a year and nutrient loading showed apparent seasonal variation. Observed water quality exceeded water quality standard, but relatively low compared to wastewater. Huge runoff amounts were inflowed in short-term intermittently. Water quality improvement couldn't be achieved by treatment facilities due to above conditions. Therefore, water quality improvement by abating nonpoint source pollution in rural watershed of monsoon climate should be focused on source control. T-P losses from paddy field consist significant amount of total load from study watershed and management of drainage from paddy field is considered to be important for preventing algal blooming problem in Juam Lake.

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