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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.