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http://dx.doi.org/10.5322/JES.2005.14.12.1185

Study on the Runoff Characteristics of Non-point Source Pollution in Municipal Area Using SWMM Model -A Case Study in Jeonju City  

Paik Do-Hyson (Department of Health, Environment, Seonam University)
Lim Young-Hwan (Environmental Preservation of Jeollabuk-Do)
Choi Jin-Kyu (Division of Bioresource Systems Engineering, Chonbuk National University)
Jung Paul-Gene (Division of Environmental Chemical Engineerrng, Chonbuk National University)
Kwak Dong-Heui (Division of Environmental, Chemical Engineerrng, Seonam University)
Publication Information
Journal of Environmental Science International / v.14, no.12, 2005 , pp. 1185-1194 More about this Journal
Abstract
The runoff characteristics of non-point source pollutions in the municipal area of Jeonju were investigated and analyzed by using the SWMM (Storm Water Management Model). The flow rates and water qualities of runoff from two types of drainage conduits were measured respectively. One was a conventional combined sewer system and the other was a separated sewer system constructed recently From August to November in 2004, investigations on two rainfall events were performed and flow rate, pH, BOD, COD, SS, T-N and T-P were measured. These data were also used for model calibration. On the basis of the measured data and the simulation results by SWMM, it is reported that $80-90\%$ of pollution load is discharged in the early-stage storm runoff. Therefore, initial 10-30 mm of rainfall should be controlled effectively for the optimal treatment of non-point source pollution in urban area. Also, it was shown that the SWMM model was suitable for the management of non-point source pollution in the urban area and for the analysis of runoff characteristics of pollutant loads.
Keywords
Non point source pollutions; SWMM (Storm Water Management Model); Rainfall runoff;
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