Vertical distribution of organic compounds in the bottom sediments of two steppe lakes in Southern Siberia

O. V. Serebrennikova, I. V. Russkikh, E. B. Strel’nikova, E. A. El’chaninova, P. B. Kadychagov

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    New data on the distribution of organic compounds at different horizons (0–10, 30–40, and 70–80 cm) of bottom sediments of the fresh Fyrkal Lake (Republic of Khakaßsia) and the salt Lake Mormyshanskoe (Altai Territory) have been collected. The compositions of organic compounds in the sediments in the examined lakes has been found to differ considerably, though some parameters in their composition show changes in the same direction. The concentrations of triterpenoids of the groups of lupane, oleanane, and hopane in the sediments decrease with depth. An increase in the share of saturated compounds in the composition of steroids is accompanied by a decrease in the ratio of their isomers (5β/5α). Terrestrial vegetation dominates among organic matter sources, while, in Lake Fyrkal, the contributions of terrestrial plants and macrophytes are similar. The presence of thermally transformed steroids and triterpenoids throughout the vertical profile of sediments in Lake Mormyshanskoe may be an indication to a slight oil pollution of the water body.

    Original languageEnglish
    Pages (from-to)774-783
    Number of pages10
    JournalWater Resources
    Volume44
    Issue number5
    DOIs
    Publication statusPublished - 1 Sep 2017

    Fingerprint

    steppe
    vertical distribution
    organic compound
    lake
    steroid
    sediment
    oil pollution
    saline lake
    vertical profile
    organic matter
    vegetation

    Keywords

    • bottom deposits
    • hydrocarbons
    • lakes
    • oxygen-containing compounds
    • steroids
    • triterpenoids

    ASJC Scopus subject areas

    • Water Science and Technology

    Cite this

    Serebrennikova, O. V., Russkikh, I. V., Strel’nikova, E. B., El’chaninova, E. A., & Kadychagov, P. B. (2017). Vertical distribution of organic compounds in the bottom sediments of two steppe lakes in Southern Siberia. Water Resources, 44(5), 774-783. https://doi.org/10.1134/S0097807817050104

    Vertical distribution of organic compounds in the bottom sediments of two steppe lakes in Southern Siberia. / Serebrennikova, O. V.; Russkikh, I. V.; Strel’nikova, E. B.; El’chaninova, E. A.; Kadychagov, P. B.

    In: Water Resources, Vol. 44, No. 5, 01.09.2017, p. 774-783.

    Research output: Contribution to journalArticle

    Serebrennikova, OV, Russkikh, IV, Strel’nikova, EB, El’chaninova, EA & Kadychagov, PB 2017, 'Vertical distribution of organic compounds in the bottom sediments of two steppe lakes in Southern Siberia', Water Resources, vol. 44, no. 5, pp. 774-783. https://doi.org/10.1134/S0097807817050104
    Serebrennikova OV, Russkikh IV, Strel’nikova EB, El’chaninova EA, Kadychagov PB. Vertical distribution of organic compounds in the bottom sediments of two steppe lakes in Southern Siberia. Water Resources. 2017 Sep 1;44(5):774-783. https://doi.org/10.1134/S0097807817050104
    Serebrennikova, O. V. ; Russkikh, I. V. ; Strel’nikova, E. B. ; El’chaninova, E. A. ; Kadychagov, P. B. / Vertical distribution of organic compounds in the bottom sediments of two steppe lakes in Southern Siberia. In: Water Resources. 2017 ; Vol. 44, No. 5. pp. 774-783.
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