Ecological analysis of heavy metal and radioactivity potential of Holocene sediments in Iznik Lake

IF 0.7 4区物理与天体物理 Q4 CHEMISTRY, INORGANIC & NUCLEAR Nukleonika Pub Date : 2019-09-01 DOI:10.2478/nuka-2019-0013

Z. U. Yumun, E. Kam

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引用次数: 5

Abstract

Abstract In this study, the heavy metal and radioactive properties of Iznik Lake were investigated. Concentration values of the first (Ag, Bi, Mo, Sn, Se, Zn, As, B, Cd, Co, Cr, Cu, Ni, Pb, Pt and Sb) and second (Na, Mg, K, Ca, P, S, Fe, Al and Mn) group of elements in borehole 1 (BH-1) drilling did not show much variation from the top to the bottom of the drilling. Concentration values of the first group of elements in borehole 2 (BH-2) drill samples decreased at higher levels of drilling. In addition, natural and anthropogenic radionuclides were measured by gamma spectrometry, and the results of environmental natural radioactivity of Iznik Lake and its surroundings were determined. In the measurement results, Ra-226 was found to be below the world average value at all locations. It is assumed that the determination of K-40 values above the average values was due to agricultural activities carried out intensively in the study area. Th-232 values were found to be below the world average value in drilling samples; Cs-137 values were below the background level in all samples. According to these results, the study area does not contain any unnatural radioactivity.

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伊兹尼克湖全新世沉积物重金属生态分析及放射性潜势

摘要本研究对伊兹尼克湖的重金属和放射性特性进行了研究。第一组元素(Ag、Bi、Mo、Sn、Se、Zn、As、B、Cd、Co、Cr、Cu、Ni、Pb、Pt、Sb)和第二组元素(Na、Mg、K、Ca、P、S、Fe、Al、Mn)在钻孔1号孔(BH-1)上至下的浓度变化不大。钻孔2 (BH-2)钻孔样品中第一组元素的浓度值随着钻孔水平的提高而降低。此外，采用伽马能谱法测定了自然和人为的放射性核素，并确定了伊兹尼克湖及其周围环境的自然放射性结果。在测量结果中，发现Ra-226在所有地点都低于世界平均值。假设K-40值高于平均值是由于研究区农业活动密集所致。钻样中Th-232值低于世界平均值;所有样本的Cs-137值均低于本底水平。根据这些结果，研究区域不存在任何非自然的放射性。

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来源期刊

Nukleonika 物理-无机化学与核化学

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： "Nukleonika" is an international peer-reviewed, scientific journal publishing original top quality papers on fundamental, experimental, applied and theoretical aspects of nuclear sciences. The fields of research include: radiochemistry, radiation measurements, application of radionuclides in various branches of science and technology, chemistry of f-block elements, radiation chemistry, radiation physics, activation analysis, nuclear medicine, radiobiology, radiation safety, nuclear industrial electronics, environmental protection, radioactive wastes, nuclear technologies in material and process engineering, radioisotope diagnostic methods of engineering objects, nuclear physics, nuclear reactors and nuclear power, reactor physics, nuclear safety, fuel cycle, reactor calculations, nuclear chemical engineering, nuclear fusion, plasma physics etc.