- P-ISSN 1225-0163
- E-ISSN 2288-8985
금강의 퇴적물 중에 입도, 유기물 그리고 금속류 분포를 2011년도 2계절에 걸쳐 조사하였다. 퇴적물 시료는 강어귀에서 채취하여 금속류와 입도 등 일반지표항목을 측정하였다. 금속류(Pb, Zn, Cu, Cr,Ni, As, Cd, Hg, Al, Li)는 유도프라즈마 분광기로 측정하였고 유기물은 강열감량으로 그리고 입도는 다른 망 크기의 체를 사용하여 결정하였다. 서로간의 상관성 분석이 이루어졌고 피어슨 상관계수를 사용하여 상관성을 나타내었다. 분석결과 건기에 금속류가 보다높은 농도로 검출되었다. 금속류의 농도는 유기물의 함량과 상관성이 높았고 이는 금속류가 유기물에 용해되어 높아질 수 있음을 보여주는 결과이다.
An investigation of grain size, organic compounds and metal distribution in 23 sediment samplesof the Geum-River basin (Korea) was conducted in two seasons of 2012 (dry season and rainy season). Thesamples of sediment were collected from the basin and investigated for concentrations of some metal and generalindexes containing grain size. Concentrations of Pb, Zn, Cu, Cr, Ni, As, Cd, Hg, Al and Li have been determinedby inductively coupled plasma spectrometer (ICP) and the sediments organic matter content was determinedby the loss on ignition, and sediments were fractionated with three different nylon sieves. Correlation analysiswas made for grain size, organic material and metal concentrations, and the Pearson correlation coefficientsbetween their concentrations were determined. As a result, the higher metal concentrations were found in theperiod of the dry season than in another season. The metal concentrations showed high correlation with thatof organic material (COD and TOC). Thereby, the high distribution of metal concentrations in sedimentcontaining high organic compound is suggesting an interaction with organic matter.
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