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Runoff Characteristics of Non-point Pollutant Sources in an Agricultural Area Watershed  

Ryu, Kwang-Hyun (Department of Environmental Engineering, Kumoh National Institute of Technology)
Lee, Geon-Jik (Department of Environmental Engineering, Kumoh National Institute of Technology)
Seong, Jin-Uk (Department of Environmental Engineering, Kumoh National Institute of Technology)
Kim, Dong-Sup (K-water Institute, Korea Water Resources Corporation)
Park, Jae-Chul (Department of Environmental Engineering, Kumoh National Institute of Technology)
Publication Information
Korean Journal of Ecology and Environment / v.44, no.2, 2011 , pp. 178-186 More about this Journal
Abstract
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 $km^2$, 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.
Keywords
event mean concentration; first flush effect; mass first flush ratio; site mean concentration;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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