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Assesment of Water Quality Standards using Stochastic DistributionCharacteristics between Dynamic Modeling Results and Observed Data

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2008, 17(1), pp.47-56
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Ha, Sungryong 1 Jiheon Lee 2 서세덕 1 이승철 1 박정하 2

1충북대학교
2충북개발연구원

Accredited

ABSTRACT

Total Maximum Daily Load(TMDL) is a core basin management system to assign totalemissions of pollutants to unit basin and emission source within a limit of the target waterquality and to secure sustainability. considering “Environment and development” together. Bycurrent technical guidance of TMDL, the water quality in the riverbed of which the target waterquality is noticed, must achieve the target; and the water quality standard for evaluatingachievement of the target should be prescribed as non-excessive probability quality of water onthe basis of the pertinent water quality documents. Therefore, the study calculated the targetwater quality by each unit basin which the target water quality must be noticed through theanalysis of probability for water quality documents in rivers at the time of establishing a plan,and the study evaluated the achievement possibility of the target water quality by analyzingand comparing the target water quality plan with the standard water quality to evaluate theachievement of the target water quality.As the result, applying the proposed method to Mihocheon River system, it is concluded thatselected the target water quality (Each BOD 3.3mg/1 and BOD 3.0mg/1) in Miho A and MusimA is available. Of course, it showed that the target water quality: BOD 2.5mg/1 in Miho A andBOD 3.0mg/1 in Musim A, could be achieved if the small reduction in B unit area wasimplemented.

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