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이건직 ( Geon Jik Lee ),성진욱 ( Jin Uk Seong ),박주현 ( Ju Hyun Park ),조규수 ( Gyu Soo Joe ),박제철 ( Je Chul Park ) 한국환경과학회 2010 한국환경과학회지 Vol.19 No.7
This study was conducted to investigate runoff characteristics of non-point pollutants source at the urban area in boeun area, Chungbuk Province. The monitoring site covering the watershed of 2.11 km 2 contains about 40.3 % of total watershed with the urban area. The monitoring was conducted with six events for five months and Event Mean Concentration(EMC) and Site Mean Concentration(SMC) of SS, BOD, CODMn, T-N, T-P were calculated on the result of the water quality parameters. As a result of the comparion between Arithmetic Mean Concentration and Event Mean Concentration, it showed that over all Event Mean Concentration was higher than Arithmetic Mean Concentration. And it showed that SS, BOD, T-P featured the first-flushing effect, showing relatively high concentration in early-stage storm event.
유광현 ( Kwang Hyun Ryu ),이건직 ( Geon Jik Lee ),성진욱 ( Jin Uk Seong ),김동섭 ( Dong Sup Kim ),박제철 ( Jae Chul Park ) 한국하천호수학회(구 한국육수학회) 2011 생태와 환경 Vol.44 No.2
This study was conducted to investigate runoff characteristics of non-point pollutant sources in an agricultural area watershed in Boeun area, Chungbuk Province. The monitoring site represented 1.56 km2, about 44.4% of which was covered with paddy fields. The monitoring was conducted for six events in a period of 5 month. Event Mean Concentration (EMC) and Site Mean Concentration (SMC) of suspended solids (SS), biochemical oxygen demand (BOD), chemical oxygen demand (COD), total nitrogen (T-N) and total phosphorus (T-P) were calculated using the results of the water quality parameters. A comparison between arithmetic mean concentration and EMC revealed that nearly all EMCs were higher than the corresponding arithmetic mean concentrations. First-flushing effects were exhibited for SS, BOD, and T-P, with relatively high concentrations in early-stage storm events.