Journal
ENVIRONMENTAL MONITORING AND ASSESSMENT
Volume 143, Issue 1-3, Pages 327-336Publisher
SPRINGER
DOI: 10.1007/s10661-007-9935-4
Keywords
pollution; urban sources; diffuse sources; agriculture; bottom sediments; trace elements; ICP-MS; ICP-OES
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In order to characterize the contamination of the Swarzeodzkie Lake and generate elemental distribution patterns 18 elements have been determined in samples of water, taken just above the bottom sediments. Analyses were carried out using two instrumental techniques - ICP-OES and ICP-MS. Two main sources of contamination were identified - diffuse pollution from agriculture and stormwater from the town. Three separate groups of elements were distinguished using cluster analysis and two groups using principal component analysis. These three groups are characterized as geogenic elements (Ag, As, Mg and Sb), elements supplied by the agricultural catchment (Ca, Mn, Sr, Na, K and Al) and elements originated from the urban contamination (Ni, Cr, Cu, Fe, V, Ba, Zn and Pb). PCA differentiated the above group of urban elements from the rest, originated from diffuse sources, with exception of alluminium, which was situated between two distinguished groups.
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