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韓國と日本における非点源汚濁物質の流出特性の比較~ソヤ ン江流城と湖山池流城を對象として~
史承煥,城戶由能,細井 由彦,金凡徹,上島光雄,福井伸之 江原大學校 附設 環境硏究所 2000 環境硏究 Vol.17 No.-
The purpose of this study is to compare and identify the differences in storm and pollutant runoff characteristics of Korea and of Japan. In Japan. the pollutant load increases steadily over the year and shows a slight increase during rainy season like typhoon. In korea the loading of TP, TN and DOC increases extrernely during the rainy season from June to August and reaches 90%, 74% and 68% of its annual loading, respectively. The analysis of polluto-graphs shows that TN concentration during a storm event decreases in Korea. This means that the dissolved form of TN dominates over the particle form in Korea. Until the first 50% of the total volume of stormwater runoff, the ratio of pollutant runoff of the total pollutant is 35%~65% in Japan, however, it reaches to 60%~80% in Korea by Cumulative Curve analysis. Further the antecedent dry weather period affects the pollutant runoff in Japan, but such an effect is less in Korea. Finally, this study shows that several consideration points when the research result of Japan is applied in Korea.