Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Analysis of the Phosphorus Contribution Rate by the Environment Fundamental Facilities Located in Upstream Basin of Paldang Lake

팔당호 상류수계에 위치한 환경기초시설의 인 기여도 분석

  • Woo, Younggug (Department of Civil Engineering, kangwon National University) ;
  • Park, Eunyoung (Department of Environmental Engineering, kangwon National University) ;
  • Jeon, Yangkun (Research and Development Center, Environmental Facility Management Co. Ltd.) ;
  • Yang, Heejeong (Han River Environmental Research Center, Institute of Environmental Research) ;
  • Rim, Jaymyung (Department of Civil Engineering, kangwon National University)
  • Received : 2010.09.15
  • Accepted : 2010.10.06
  • Published : 2010.11.30
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Abstract

The phosphorus contribution rate on water quality of North and South-Han River, and Gyungan-cheon by effluents from environmental fundamental facilities located in upstream basin of Paldang Lake were analyzed. QUALKO2 model was selected for the analysis of contrubution rate, and was constructed considering the location of the main point sources and all facilities in study area. The pollutant loading rates and arrival rates for each unit-watershed in study area were calculated for model operation. For the calibration and verification of model, 2006 water quality dataset from Ministry of Environment and the effluent loadings of the environmental fundamental facilities were used. Reliability Index (RI) method was used to estimate the validity of the results of calibration and verification. The phosphorous contribution rate(%) for each environmental fundamental facility were analyzed by excepting the effluent loading of the facility. The contribution rate was analyzed for each facility, facility groups separated by each main river and each unit-watershed. The main results of analysis for each facility are as follows; (i) the phosphorous contribution of B1 facility is 50%, which is the highest phosphorous contribution rate among those of nine facilities in the North-Han River Basin; (ii) the highest phosphorous contribution is 55.6% from J facility among eight facilities in the Gyungan Stream Basin; (iii) 40% from E treatment facility is the highest among those of twenty eight facilities in the South-Han River Basin.

Keywords

Acknowledgement

Supported by : 한강수계관리위원회, 한강물환경연구소

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