The use of biological markers in determination of origin and type of organic matter in the Tisza river sediments

The objective of the study was to determine the origin and type of organic matter (OM) of the Tisza recent sediments along the distance of 153 km through the territory of Serbia. For this purpose group organic-geochemical parameters and biomarker compositions were used. All samples contain approxima...

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Bibliographic Details
Published in:Journal of the Serbian Chemical Society 2014-01, Vol.78 (8), p.1-22
Main Authors: Strbac, S, Gajica, G, Sajnovic, A, Vasic, N, Stojanovic, K, Jovancicevic, B
Format: Article
Language:English
Subjects:
Biomarkers
Deposition
oil pollutants
Oil pollution
organic matter
Origins
Pollutants
Rivers
Sediments
Tankers
Tisza River
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Summary:The objective of the study was to determine the origin and type of organic matter (OM) of the Tisza recent sediments along the distance of 153 km through the territory of Serbia. For this purpose group organic-geochemical parameters and biomarker compositions were used. All samples contain approximately same amount of OM. which was deposited under uniform, slightly reducing conditions. Based on the distribution of n-alkanes. the origin and type of OM could not be precisely estimated. However. n-alkane patterns suggest the presence of immature singenetic organic matter of terrestrial origin. Distributions of terpanes and steranes and values of corresponding maturity parameters indicate that Tisza River sediments, apart from immature singenetic organic matter, contain oil pollutant of anthropogenic origin. Identical composition of these biomarkers in all samples confirms that the recent sediments of the Tisza River, from Kanjiza town to the confluence into the Danube River, contain the same type of oil pollutant. Based on the compositions of terpanes and steranes and values of biomarker parameters in Tisza sediments, it is supposed that oil pollution generally could be related to heavy fuel oil from tankers due to intense river transport and. in lower extent, to crude oils from the Elemir and Rusanda oil fields.
ISSN:0352-5139
1820-7421
DOI:10.2298/JSC130614087S