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The distribution of Trace Elements in the Stream Sediments from Jijia River Basin

Mitică Pintilei - “Al. I. Cuza” University of Iaşi, Faculty of Geography and Geology, Department of Geology, 20A Carol I Blv., 700505 Iaşi, Romania
Claudia Pintilei - “Al. I. Cuza” University of Iaşi, Faculty of Geography and Geology, Department of Geology, 20A Carol I Blv., 700505 Iaşi, Romania

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Abstract:

The aim of the present study is to assess the environmental quality in the Jijia Basin by use of stream sediment samples.
The study of the distribution of trace elements (Sc, V, Cr, Co, Ni, Cu, Zn, Rb, Sr, Y, Zr, Nb, Ba, Pb, Th and As) in the stream sediments from the Jijia Basin generally indicated that the environment is either unaffected or slightly affected. Local anomalies determined after defining the background and the threshold values are due to both anthropogenic factors and geogenic factors. A particular case is that of Ni, where over 75% of the data exceed the target value. However, the normal distribution of this element, as well as the high levels of Ni found in some soils from the studied area, suggest that we are dealing with a geogenically-enriched environment. The median values for most of the elements contents are close to those determined for European stream sediments.
Copyright © 2011 Published by Ed. Univ. „Al. I. Cuza” Iași. All rights reserved.



Keywords:

stream sediment, trace elements, background, threshold value, Jijia Basin, environment quality



  
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