Characterization of Infiltration Analyses Using Long-Term Monitoring Flow Data

장기 모니터링 자료를 활용한 침입수 산정 방법론별 특성 분석

  • Lee, Jaehyun (Department of Civil and Environmental Engineering, Chungang University) ;
  • Kim, Insop (Environmental Management Corporation) ;
  • Oh, Jeill (Department of Civil and Environmental Engineering, Chungang University) ;
  • Park, Chulhwi (Department of Environmental Engineering, University of Seoul)
  • 이재현 (중앙대학교 건설환경공학과) ;
  • 김인섭 (환경관리공단) ;
  • 오재일 (중앙대학교 건설환경공학과) ;
  • 박철휘 (서울시립대학교 환경공학과)
  • Received : 2009.03.03
  • Accepted : 2009.04.09
  • Published : 2009.05.30

Abstract

The analysis of characteristics of water use evaluation and nighttime domestic flow evaluation was performed by using result from flow monitoring and surveying water supply records and nighttime domestic flow for a year. The analysis of correlations showed that, for both sites, the infiltration ratio and wastewater flow have shown a good relationship with high correlation factor and that the calculation of wastewater flow was highly affected by monthly rainfall depth as well as number of rain days. From this result, it was concluded that the measurement of infiltration should be performed when the rainfall does not significantly affect the sewer flow. Also, it is notable that each value of calculated using method for infiltration evaluation are not comparable to each other, but independent methods. In selecting of evaluation method for infiltration, therefore, a great emphasis should be imposed to the character of area and the seasonal factor in order to select optimal one. It is desirable way for evaluating infiltration and reduction ratio using result from an optimal method.

Keywords

Acknowledgement

Supported by : 중앙대학교

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