Deposition of metals in glacial lake sediment

Q3 Earth and Planetary Sciences Polish Journal of Soil Science Pub Date : 2018-09-19 DOI:10.17951/PJSS.2018.51.2.255

J. Jurković, E. V. Habul, Walter Dӧrfler, Enisa Omanoviń-Miklicanin, S. Hamidović, A. Ivanković

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引用次数: 1

Abstract

The aim of this research was to find the relationship between metals content and age of the sediment and to estimate the contamination level. For the research of sediment, samples were taken from the glacial Lake Prokosko. Concentrations of eight elements (Ca, Mg, Fe, Cd, Pb, Zn, Cu and Mn) were determined. The age was determined with usage of C14. For statistical evaluation of the results, we used basic statistical tools, correlation, and PCA. The results showed that all of investigated metals have natural origin. Sediment core from this research was around 18,000 years old and the results revealed characteristics of metals deposition in the process of sedimentation. Concentrations of metals were compared with age (depth) of sediment. Maximal concentrations for iron, calcium, magnesium and manganese are found in the period of Allerӧd oscilation. Differences in Mn/Fe ratio and organic matter content are showing changes through history. These results show metal deposition characteristics in different climate periods, and these characteristics could be used as another proof of climate change.

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冰湖沉积物中金属的沉积

这项研究的目的是找出沉积物中金属含量与年龄之间的关系，并估计污染程度。为了研究沉积物，从冰川湖Prokosko采集了样本。测定了八种元素（Ca、Mg、Fe、Cd、Pb、Zn、Cu和Mn）的浓度。使用C14测定年龄。为了对结果进行统计评估，我们使用了基本的统计工具、相关性和主成分分析。结果表明，所研究的所有金属都具有天然来源。本次研究的沉积物岩心年龄约为18000年，结果揭示了沉积过程中金属沉积的特征。将金属浓度与沉积物的年龄（深度）进行了比较。铁、钙、镁和锰的最大浓度出现在阿勒期。锰/铁比例和有机质含量的差异显示出历史的变化。这些结果显示了不同气候时期的金属沉积特征，这些特征可以作为气候变化的另一个证据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polish Journal of Soil Science Earth and Planetary Sciences-Earth-Surface Processes

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： The Journal focuses mainly on all issues of soil sciences, agricultural chemistry, soil technology and protection and soil environmental functions. Papers concerning various aspects of functioning of the environment (including geochemistry, geomophology, geoecology etc.) as well as new techniques of surveing, especially remote sensing, are also published.