Hydrocarbons in the water, particulate matter, seston, and bottom sediments of the White Sea in the late summer |
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| Authors: | I A Nemirovskaya |
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| Institution: | (1) Institute of Oceanology, Russian Academy of Sciences, Nakhimovskii prosp. 36, Moscow, 117997, Russia |
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| Abstract: | Aliphatic and polycyclic aromatic hydrocarbons were studied in water, filtration and separation particulate matter, seston, and bottom sediments with the aim to determine their concentrations and origin and compare them with the concentrations of lipids and Corg (August 2006). The effect of anthropogenic hydrocarbons was identified mostly in the Northern Dvina mouth area and in the apex of Dvina Bay. In other parts of the sea, natural compounds dominate in all examined objects, since anthropogenic hydrocarbon cannot pass through the Northern Dvina-the White Sea geochemical barrier. The low temperatures in the high-latitude water areas are shown not to reduce the rate of diagenetic processes in the sedimentary strata. |
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