한국물환경학회지 (Journal of Korean Society on Water Environment)

  • 제26권6호
  • /
  • Pages.903-909
  • /
  • 2010
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  • 2289-0971(pISSN)
  • /
  • 2289-098X(eISSN)
한국물환경학회 (Korean Society on Water Environment)
권호 표지

수질오염총량 단위유역의 유량조건별 수체 손상 평가를 위한 부하지속곡선 적용성 연구

Application Load Duration Curve for Evaluation of Impaired Watershed at TMDL Unit Watershed in Korea

  • 황하선 (국립환경과학원 수질총량연구과) ;
  • 윤춘경 (건국대학교) ;
  • 김지태 (한국환경정책.평가연구원)
  • Hwang, Ha-Sun (Water Pollution Cap System Division, National Institute of Environmental Research) ;
  • Yoon, Chun-Gyeong (Department of Environmental Science, Konkuk University) ;
  • Kim, Ji-Tae (Korea Environment Institute (KEI))
  • 투고 : 2010.05.31
  • 심사 : 2010.09.29
  • 발행 : 2010.11.30
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초록

The purpose of this study was evaluated on the applicability of Load Duration Curve Method (LDC Method) using HSPF watershed model and sampling data for efficient TMDLs in Korea. The LDC Method was used for assessment pollutant characteristics in watershed and water quality variation in each water flow level. Load Duration Curve is applied for judge the level of impaired water-body and can be estimated the impaired level by pollutant, such as BOD, T-N, and T-P in this study depending on variation of stream flow. As a result, BOD, T-P was usually exceed the standard value at low flow and dry hydrologic period. Improvement of effluent concentration from WWTP and riparian buffer protection zone are effective to improve the water quality. T-N showed the worst condition at mid-range hydrologic period and moist hydrologic period. Therefore, soil erosion control program and BMPs for non-point source pollution control is effective for recovery the water quality, which can be useful method for management of water quality in the plan of recovery water quality spontaneously. Applicability of LDC Method was evaluated in the Nakbon A watershed. However, we need to consider more detailed and accumulated data set such as accurate GIS data and detail pollution data, and WWTP discharge water quality data for accurate evaluation of watershed. Overall, The LDC Method is adequate for evaluation of watersheds characteristics, and its application is recommended for watershed management and TMDL Implementation.

키워드

참고문헌

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