Concentrations of heavy metals in bottom sediments of Lake Dautkul as an indicator of anthropogenic impact in the area south of the Aral Sea |
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Authors: | I V Matsapaeva N S Osinskaya E A Danilova |
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Institution: | 1.Institute of Water Problems,Academy of Sciences of Uzbekistan,Tashkent,Uzbekistan;2.Institute of Nuclear Physics,Academy of Sciences of Uzbekistan,Tashkent,Uzbekistan |
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Abstract: | Data on the microelement composition of bottom sediment and water samples from Lake Dautkul for recent years are presented.
Concentrations of more than 30 chemical elements are determined using instrumental neutron-activation analysis. This allowed
the authors to reveal the regularities in the distribution and accumulation of chemical elements in water and bottom sediments.
It is shown that bottom sediments exhibit a cumulative effect and prolonged activity, which adversely affect the aquatic medium
and can serve an indicator of anthropogenic impact on the area under consideration. |
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