Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Estimation of Nonpoint Discharge Coefficient for the Management of Total Maximum Daily Load - Rainfall Discharge Ratio on the Specific Design Flow

수질오염총량관리를 위한 비점배출계수 산정 - 특정 기준유량 시기의 강우배출비

  • Park, Jundae (Water Pollution Cap System Division, Environmental Cap System Research Department, National Institute of Environmental Research) ;
  • Park, Juhyun (Water Pollution Cap System Division, Environmental Cap System Research Department, National Institute of Environmental Research) ;
  • Rhew, Doughee (Water Pollution Cap System Division, Environmental Cap System Research Department, National Institute of Environmental Research) ;
  • Jeong, Dongil (Water Pollution Cap System Division, Environmental Cap System Research Department, National Institute of Environmental Research)
  • 박준대 (국립환경과학원 환경총량관리연구부 수질총량과) ;
  • 박주현 (국립환경과학원 환경총량관리연구부 수질총량과) ;
  • 류덕희 (국립환경과학원 환경총량관리연구부 수질총량과) ;
  • 정동일 (국립환경과학원 환경총량관리연구부 수질총량과)
  • Received : 2008.03.25
  • Accepted : 2008.06.25
  • Published : 2008.07.30
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Abstract

Nonpoint source (NPS) pollution is caused by rainfall moving over and through the ground. As the runoff moves, it picks up and carries away various pollutants from NPS. The discharge pattern of NPS pollutant loads is affected by the distribution of the rainfall during the year. This study analysed relationship between the rainfall event and the stream flow rate, and estimated the rainfall discharge ratio on the specific design flow which can be used as nonpoint discharge coefficient for the estimation of NPS pollution load. It is considered that nonpoint discharge coefficient can be effectively used for the calculation of NPS pollution load at the time of water quality modelling for the management of Total maximum daily load (TMDL).

Keywords

References

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