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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국환경영향평가학회 환경영향평가 환경영향평가 제16권 제1호
발행연도
2007.1
수록면
79 - 87 (9page)

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The performance of a stream water quality analysis model depends upon many factorsattributed to the geological characteristics of a watershed as well as the distribution behaviors ofpollutant itself on a surface of watershed.Because the model run has to import the pollution load from the watershed as a boundarycondition along an interface between a stream water body and a watershed, it has been used tointroduce a pollution delivery coefficient to behalf of the boundary condition of loadimportation.Although a nonlinear regression model (NRM) was developed to cope with the limitation ofa conventional empirical way, this an up-to-date study has also a limitation that it can’t beapplied where the pollution load washed off (assumed at a source) is less than that delivered(observed) in a stream.The objective of this study is to identify what causes the limitation of NRM and to suggesthow we can purify the process to evaluate a pollution delivery coefficient using many fieldobserved cases. As a major result, it was found what causes the pollution load delivered tobecomes bigger than that assumed at the source. In addition, the pollution load discharged to astream water body from a specific watershed was calculated more accurately.

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