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Geochemical Responses to Natural and Anthropogenic Settings in Salt Lakes Sediments from North-Eastern Romanian Plain

Author

Listed:
  • Radu Lucian Olteanu

    (Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania)

  • Cristiana Radulescu

    (Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania
    Faculty of Sciences and Arts, Valahia University of Targoviste, 130004 Targoviste, Romania
    Doctoral School Chemical Engineering and Biotechnology, Politehnica University of Bucharest, 060042 Bucharest, Romania)

  • Petre Bretcan

    (Faculty of Humanities, Valahia University of Targoviste, 130105 Targoviste, Romania)

  • Inga Zinicovscaia

    (Joint Institute for Nuclear Research, 141980 Dubna, Russia
    Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, 077125 Magurele, Romania)

  • Otilia Culicov

    (Joint Institute for Nuclear Research, 141980 Dubna, Russia
    National Institute for Research and Development in Electrical Engineering ICPE-CA, 030138 Bucharest, Romania)

  • Konstantin Vergel

    (Joint Institute for Nuclear Research, 141980 Dubna, Russia)

  • Danut Tanislav

    (Faculty of Humanities, Valahia University of Targoviste, 130105 Targoviste, Romania)

  • Marius Bumbac

    (Faculty of Sciences and Arts, Valahia University of Targoviste, 130004 Targoviste, Romania)

  • Cristina Mihaela Nicolescu

    (Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania)

  • Ioana Daniela Dulama

    (Institute of Multidisciplinary Research for Science and Technology, Valahia University of Targoviste, 130004 Targoviste, Romania)

  • Laura Monica Gorghiu

    (Faculty of Sciences and Arts, Valahia University of Targoviste, 130004 Targoviste, Romania)

Abstract

Chemical analysis was performed on sediment core samples collected from three salt lakes, Amara Lake, Caineni Lake, and Movila Miresii Lake, located in the northeast of the Romanian Plain. The concentration of 10 main elements, 6 heavy metals (HMs), 8 rare earth elements (REEs), and 10 trace elements (TEs)—determined using neutron activation analysis (NAA)—showed variability dependent on the depth sections, lake genesis and geochemical characteristics (oxbow, fluvial harbor/liman and loess saucer type). The assessment of pollution indices (contamination factor, pollution load index, geoaccumulation index, and enrichment factor) highlighted low and moderate degrees of contamination for most of the investigated elements. Principal component analysis (PCA) extracted three principal components, explaining 70.33% (Amara Lake), 79.92% (Caineni Lake), and 71.42% (Movila Miresii Lake) of the observed variability. The principal components extracted were assigned to pedological contribution (37.42%—Amara Lake, 55.88%—Caineni Lake, and 15.31%—Movila Miresii Lake), salts depositions (due to the lack of a constant supply of freshwater and through evaporation during dry periods), atmospheric deposition (19.19%—Amara Lake, 13.80%—Caineni Lake, and 10.80%—Movila Miresii Lake), leaching from soil surface/denudation, rock weathering, and mixed anthropogenic input (e.g., agricultural runoff, wastewater discharges) (13.72%—Amara Lake, 10.24%—Caineni Lake, and 45.31%—Movila Miresii Lake).

Suggested Citation

  • Radu Lucian Olteanu & Cristiana Radulescu & Petre Bretcan & Inga Zinicovscaia & Otilia Culicov & Konstantin Vergel & Danut Tanislav & Marius Bumbac & Cristina Mihaela Nicolescu & Ioana Daniela Dulama , 2023. "Geochemical Responses to Natural and Anthropogenic Settings in Salt Lakes Sediments from North-Eastern Romanian Plain," IJERPH, MDPI, vol. 20(2), pages 1-48, January.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:2:p:935-:d:1025149
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    References listed on IDEAS

    as
    1. Otilia A. Culicov & Tatjana Trtić-Petrović & Pavel S. Nekhoroshkov & Inga Zinicovscaia & Octavian G. Duliu, 2022. "On the Geochemistry of the Danube River Sediments (Serbian Sector)," IJERPH, MDPI, vol. 19(19), pages 1-15, October.
    2. Joshua O. Olowoyo & Ntebo Lion & Tshoni Unathi & Oluwaseun M. Oladeji, 2022. "Concentrations of Pb and Other Associated Elements in Soil Dust 15 Years after the Introduction of Unleaded Fuel and the Human Health Implications in Pretoria, South Africa," IJERPH, MDPI, vol. 19(16), pages 1-17, August.
    3. Nsikak U Benson & Francis E Asuquo & Akan B Williams & Joseph P Essien & Cyril I Ekong & Otobong Akpabio & Abaas A Olajire, 2016. "Source Evaluation and Trace Metal Contamination in Benthic Sediments from Equatorial Ecosystems Using Multivariate Statistical Techniques," PLOS ONE, Public Library of Science, vol. 11(6), pages 1-19, June.
    4. Haibin Chen & Zhibiao Chen & Zhiqiang Chen & Qianyi Ma & Qingqing Zhang, 2019. "Rare earth elements in paddy fields from eroded granite hilly land in a southern China watershed," PLOS ONE, Public Library of Science, vol. 14(9), pages 1-14, September.
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