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Lead content and isotopic composition in submound and recent soils of the Volga upland

Pampura, Tatiana and Probst, Anne and Ladonin, Dmitry V. and Demkin, Vitaly A. Lead content and isotopic composition in submound and recent soils of the Volga upland. (2013) Eurasian Soil Science, 46 (11). 1059-1075. ISSN 1064-2293

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Official URL: http://dx.doi.org/10.1134/S1064229313090020

Abstract

Literature data on the historical reconstructions of the atmospheric lead deposition in Europe and the isotopic composition of the ores that are potential sources of the anthropogenic lead in the atmospheric deposition in the lower Volga steppes during different time periods have been compiled. The effect of the increasing anthropogenic lead deposition recorded since the Bronze Age on the level of soil contamination has been investigated. For the first time paleosol buried under a burial mound of the Bronze Age has been used as a reference point to assess of the current contamination level. The contents and isotopic compositions of the mobile and total lead have been determined in submound paleosols of different ages and their recent remote and roadside analogues. An increase in the content and fraction of the mobile lead and a shift of its isotopic composition toward less radiogenic values (typical for lead from the recent anthropogenic sources) has been revealed when going from a Bronze-Age paleosol to a recent soil. In the Bronze-Age soil, the isotopic composition of the mobile lead is inherited from the parent rock to a greater extent than in the modern soils, where the lead is enriched with the less radiogenic component. The effect of the anthropogenic component is traced in the analysis of the mobile lead, but it is barely visible for the total lead. An exception is provided by the recent roadside soils characterized by increased contents and the significantly less radiogenic isotopic composition of the mobile and total lead.

Item Type:Article
Additional Information:This article first appeared in the Russian journal Почвоведение, published by MAIK Nauka/Interperiodica. This article was translated from Russian to English. Thanks to Springer Verlag. The definitive version is available at http://link.springer.com/article/10.1134%2FS1064229313090020
HAL Id:hal-01177620
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Other partners > Lomonosov Moscow State University - MSU (RUSSIA)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Russian academy of sciences (RUSSIA)
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Deposited By: Anne PROBST
Deposited On:16 Jan 2014 13:45

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