Accumulation and fractionation of rare earth elements in surface waters of the Russian Far East under the conditions of natural and anthropogenic anomalies |
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Authors: | V A Chudaeva O V Chudaev |
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Institution: | 1.Pacific Institute of Geography, Far East Division,Russian Academy of Sciences,Vladivostok,Russia;2.Far East Geological Institute, Far East Division,Russian Academy of Sciences,Vladivostok,Russia |
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Abstract: | The distribution and fractionation of rare earth elements were studied in surface waters from areas with different anthropogenic
impacts in the southern part of the Russian Far East and in natural anomalous waters from areas with intense volcanic-hydrothermal
activity. The levels of REE contents and their fractionation in the sequence from the light to heavy REE were estimated in
different waters, and their connections with major ions and other trace elements, primarily Al, Fe, and Mn, were determined.
The relations of the main forms of REE migration (dissolved and suspended) in surface waters were evaluated, and fundamental
differences were detected in the accumulation of REE in the natural acid waters of the Kuril Islands and under continental
conditions related to their deep input and redistribution in streams. |
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