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Trace element associations as indicators of sediment accumulation in lakes

  • Part One: Method and Their Application
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Abstract

A geochemical study of lacustrine sediments was undertaken as part of a major paleolimnological project concerned with the impact of man on lakes. Factor analysis was applied to the geochemical data obtained from a core from one lake. Three principal factors which explained most of the variance of the initial data were identified. Factor I is related to the organic:mineral component ratio of the sediment, and can be considered as an indirect index of change in lake trophic status through time. Factor II is related to the granulometric composition of the sediment and matches evidence for changes in the hydrological regime of the lake. Factor III reflects changes in redox potential and is more closely related to processes occurring within the lake than other factors. Specific geochemical associations of elements are connected with each factor and are the factor indicators. The correlation of these associations are analyzed as geochemical indices of the variability of sediment accumulation conditions in time.

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References

  • Lawley, D. N. & Maxwell, A. E., 1967. Factor analysis as statistical method (in Russian). Moscow, Izdatelstvo ‘Mir’, pp. 144.

  • Sergeeva, L. V., 1981. Trace element associations as indices of sediment accumulation in Latvian lakes. In: Paleolimnological approach to study of human impact on lakes (in Russian). pp. 52–61. Leningrad, Izdatelstvo ‘Nauka’.

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Authors and Affiliations

  1. Institute of Lake Research, Academy of Sciences of the U.S.S.R., Petrovskaya nab. 2, 197046, Leningrad, U.S.S.R.

    Lidiya V. Sergeeva

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  1. Lidiya V. Sergeeva
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Sergeeva, L.V. Trace element associations as indicators of sediment accumulation in lakes. Hydrobiologia 103, 81–84 (1983). https://doi.org/10.1007/BF00028432

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  • DOI: https://doi.org/10.1007/BF00028432

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