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Microorganism Contamination from Diffuse Sources and Its Impacts on Water Quality in the Geum River Basin  

Kim, Geonha (Department of Civil and Environmental Engineering, Hannam University)
Publication Information
Journal of Korean Society on Water Environment / v.22, no.3, 2006 , pp. 504-512 More about this Journal
Abstract
In order to estimate microbial contaminant discharge from diffuse sources, rainfall runoff was monitored at forestry, agriculture and urban watersheds. Total coliform and E. coli were monitored at the study watersheds as they are regulated by the environmental laws. Concentration and EMC (Event Mean Concentration) of coliform of rainfall runoff at the urban watershed were the highest followed by those from agricultural and forestry watersheds. By monitoring coliform concentrations of overlying water and sediment at five monitoring points in the downstream of the Geum River, average concentration from spring to summer was higher than those values from fall to spring. Coliform concentrations in the pore water were higher compared to those of overlying water and closely related with flow rate of the river.
Keywords
Coliform; Diffuse sources; Event Mean Concentration (EMC); Microbial contaminant; Sediment; Water quality;
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Times Cited By KSCI : 4  (Citation Analysis)
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