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UBINSKOYE PEAT BOG DEPOSITS: ACCUMULATION AND SPECIATION OF ELEMENTS (NOVOSIBIRSK REGION, RUSSIA)

Olga Naymushina

First published: 2020-09-20https://doi.org/10.5593/sgem2020/3.1/s13.078View metrics

Abstract

The study analyses the features of the peat sediment formation and elements concentration in the 0-310 cm core sample of peat deposits based on the example of the Ubinskoye peat bog located in the Novosibirsk region, Western Siberia. The stratigraphy and distribution features of chemical elements in the vertical profile are studied. Peat layers are characterized by an increase in the content of all elements in the middle and lower core intervals, which is probably a consequence of changes in the water regime and groundwater inflow at different stages of bog development. Increased concentrations of active air migrants forming volatile compounds, such as Pb, Cd, Cu and Zn, were found, which is associated with anthropogenic load. Element specifications investigated by the modified Tessier sequential extraction procedure, showed the vertical transition of the oxidative geochemical environment to the reducing one with the formation of geochemical barriers for variably valent elements. In the middle part of the section with organic-rich woody layers, the quantity of species associated with humic substances increases to 3-7% for almost all the studied elements.

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Publication details

Title
UBINSKOYE PEAT BOG DEPOSITS: ACCUMULATION AND SPECIATION OF ELEMENTS (NOVOSIBIRSK REGION, RUSSIA)
Authors
Olga Naymushina
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Water Resources. Forest, Marine and Ocean Ecosystems
Publisher
STEF92 Technology
Year
2020
Pages
605-610
SWS Citekey
Naymushina202013605610
ISSN
1314-2704
ISBN
978-619-7603-08-8
Language
en
Publication type
Conference Paper
Keywords
peat bogelement concentrationgeochemical profilemodified Tessier sequential extraction procedure
References3

  1. Bogush A.A., Bobrov V.A., Klimin M.A., Bychinskii V.A., Leonova G.A., Krivonogov S.K., Kondrat’eva L.M., Preis Yu.I.Sedimentation and Accumulation of Elements in the Vydrino Peat Bog (southern Baikal region). Geol. and Geoph., 2019, 60(2), 194-208; DOI: 10.15372/GiG2019012

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  2. Tessier, A.; Campbell, P.G.C.; Bisson, M. Sequential Extraction Procedure for the Speciation of Particulate Trace Metals. Anal. Chem., 1979, 51, 844–850.

  3. Rodgers Kiri J., Hursthouse Andrew, Cuthbert Simon. The Potential of Sequential Extraction in the Characterisation and Management of Wastes from Steel Processing: A Prospective Review. Int. J. Environ. Res. Public Health, 2015, 12, 11724-11755; DOI: 10.3390/ijerph120911724.

    View DOICrossrefGoogle ScholarWeb of ScienceScopusOpenCitations
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