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A Water Quality Modeling Study of Chunggye Stream during Combined Sewer OverFlow Period  

Yi, Hye-Suk (Department of Environment Science and Engineering, College of Engineering, Ewha Womans University)
Park, Seok-Soon (Department of Environment Science and Engineering, College of Engineering, Ewha Womans University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.27, no.12, 2005 , pp. 1340-1346 More about this Journal
Abstract
A water quality modeling study was performed for Chunggye stream during combined sewer overflow(CSO) period, utilizing the diagnostic system for water management in small watershed, CREEK-1(Cyber River for Environment and Economy in Korea). This system integrated geogaphic information system, data base, landscape ecological model(FRAGSTATS), watershed model(SWMM), water quality model (WASP5), and computer graphic. In this study, the watershed model and water quality model were extensively utilized so as to simulate water qualities and flow in Chunggye stream during wet periods. The Chunggye stream watershed was divided into 18 sub-basins in the watershed model and the stream reach into 11 segments in the water quality model. The watershed model was validated against field measurements of BOD, TN, TP, and flow at the downstream location, where the model results showed a reasonable agreement with the field measurements at all parameters. From this study, it was shown that the stream water quality would change along with elapsed time from rainfall start as well as rainfall intensity. The model results indicated that the water quality would significantly upgrade due to the first flush and high sewage ratio of CSO at the beginning of rainfall event, but become degraded along with the runoff increase due to dilution effect.
Keywords
Chunggye Stream; Storm Water; CSO; CREEK-1; SWMM; WASP5;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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3 도시개발에 따른 수환경 변화 예측을 위한 소수계 유역.하천 통합 모델 연구 /
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[ 조주연;정호진 ] / 환경과학논집
5 Specific relationships for the first flush load in combined sewer flows? /
[ Gupta, K.;Saul, A. ] / Water Research
6 Runoff quality prediction from small urban catchments using SWMM /
[ Tsihrintzis, V.A.;Hamid, R. ] / Hydrological Processes
7 분류식 우수유출 오염부하 비교를 통한 CSOs 저감목표 설정 기초연구 /
[ 이두진;신응배;윤현식;선상운;곽수동 ] / 대한환경공학회지
8 Mathematical modeling of sewers under surcharge for real time control of combined sewer overflows /
[ Duchesne, S.;Mailhot, A.;Dequidt, E.;Villeneuve, J.P. ] / Urban Water
9 합류식하수관의 오염물질 유출 특성에 관한 연구 /
[ 이종각;방기웅;이준호 ] / 대한환경공학회지
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[ 서울시 ] /
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[ 이혜숙 ] /
12 경관생태학적 원리를 이용한 소수계 물관리 진단 시스템 개발, 이화여자대학교, 21세기 프론티어 수자원의 지속적 획보기술 개발사업 최종보고서 /
[ 박석순;강호정 ] /
13 SWMM과 회귀분석법에 의한 유역의 오염부하량 산정비교 /
[ 윤춘경;전지홍;함종화 ] / 한국물환경학회지