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- Title
The distribution of heavy metals in the near-bottom particulate matter, fluffy layer, and bottom sediments over the Yenisei profile in the Kara Sea.
- Authors
Gordeev, V.; Lein, A.; Belyaev, N.; Ivanov, M.
- Abstract
The chemical composition and concentrations of metals (Fe, Mn, Cu, Zn, and Cr) were determined for the first time in the marine basin at the water-bottom geochemical interface, including the particulate matter, fluffy layer (0.0-0.2 cm), and the surface layer of the sediments (0-2 cm). It was found that the content of metals in the aquatic particulate matter depended on the concentration of organic matter. The fluffy layer was enriched, compared to the underlying layers, by 5-10% in organic matter including the biomass of microorganisms, and by up to 50% in metals (to the maximum of doubled values for Zn). It is supposed that this low enrichment of the fluffy layer in metals was caused by the active near-bottom currents of marine basins.
- Subjects
YENISEY River (Russia); HEAVY metal content of sediments; ORGANIC compounds; BIOMASS; AQUATIC microbiology
- Publication
Doklady Earth Sciences, 2014, Vol 456, Issue 2, p720
- ISSN
1028-334X
- Publication type
Article
- DOI
10.1134/S1028334X14060245