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논문 기본 정보

자료유형
학술저널
저자정보
김영윤 (해양생태기술연구소) 김상단 (부경대학교 환경공학과) 이석모 (부경대학교 생태공학과) 성기준 (부경대학교 생태공학과) 송교욱 (부산발전연구원) 손민호 (해양생태기술연구소)
저널정보
한국물환경학회 한국물환경학회지 한국물환경학회지 제29권 제3호
발행연도
2013.1
수록면
354 - 364 (11page)

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The performance of the stormwater wetlands can be significantly influenced by antecedent stormwater in storage at the commencement of a stormevent. As inflows are intermittent and stochastic in nature, the evaluation of the treatment efficiency of a stormwater wetland should be considered by runoff capture and water treatment characteristics during interevent periods. In this study, analytical probabilistic model is applied to identity runoff capture rate and treatment efficiency of the stormwater wetland. To achieve this, continuous rainfall data recorded in Busan for 31 years has been analyzed to derive the runoff capture rate, and 1st order kinetic decay constants ($k_V$, 1/d) are calculated from regression analysis to identify pollutants removal during interevent periods. The results show that about 60.9% of annual average runoff is captured through the stormwater wetland. The annual average treatment efficiencies of SS, BOD, COD, TN and TP is about 11.4, 8.9, 9.8, 4.3 and 9.6%, respectively. The analytical model has been compared with the numerical model and it shows that analytical model is valid. Performance evaluation methods developed in this study has the advantages of considering characteristics of rainfall-runoff, facility type and pollutant removal.

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