受科拉半岛霞石-霓虹灯生产影响地区积雪的生态和地球化学评估

IF 0.7 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS
V. A. Dauvalter, S. S. Sandimirov, D. B. Denisov, M. V. Dauvalter, Z. I. Slukovskii
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引用次数: 0

摘要

摘要 分析了磷灰石-霞石矿床工业开发地区积雪的化学成分,以估计采矿企业对生态和地球化学环境的影响。已经确定,所研究的 Khibiny 地区的积雪富含 Cl- 和 Na+ 离子(平均为 38 和 41 µeq/L),基本离子(Cl- > \({\{text{SO}}_{4}^{{2 - }}\) > \({\{text{HCO}}_{3}^{ - }\) 和 Na+ > Ca2+ > K+ = Mg2+)与矿化度值(从 1.7 到 6.4 毫克/升)是俄罗斯北欧沿海地区沉淀物的典型特征。影响区积雪中总氮和总磷的平均含量分别为 495 微克/升和 26 微克/升,分别是背景区的 3 倍和 5 倍。这是因为它们随采矿企业排放的粉尘进入大气。影响区积雪中的有机物含量(CODMn 和 TOC 分别为 5.5 和 5.8 mg/L)比背景区积雪和 Khibiny 水体中的有机物含量高出约 2 倍。雪中有机物含量的升高可能与尾矿堆中用于获取磷灰石精矿的有机物质--试剂的供应以及单细胞绿藻 Chlamydomonas nivalis (Bauer) Wille 在营养物质含量增加和日照时间长的条件下密集生长有关。影响区积雪中多种重金属(锌、锰、铜、铬、铅、镉)的含量超过了影响区水体中的含量(分别为 13.4、5.4、3.8、0.8、0.65、0.035 微克/升)。这些金属作为矿山粉尘排放的一部分以及欧亚工业区的污染空气团进入雪地。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Ecological and Geochemical Assessment of Snow Cover in the Area Affected by the Apatite–Nepheline Production of the Kola Peninsula

Ecological and Geochemical Assessment of Snow Cover in the Area Affected by the Apatite–Nepheline Production of the Kola Peninsula

Ecological and Geochemical Assessment of Snow Cover in the Area Affected by the Apatite–Nepheline Production of the Kola Peninsula

Abstract—The chemical composition of the snow cover in the area of industrial development of the apatite–nepheline deposit is analyzed to estimate the ecological and geochemical environmental impact of the mining enterprise. It has been established that the snow of the studied area of the Khibiny is enriched in Cl and Na+ ions (on average 38 and 41 µeq/L), and relations between basic ions (Cl > \({\text{SO}}_{4}^{{2 - }}\) > \({\text{HCO}}_{3}^{ - }\) and Na+> Ca2+> K+ = Mg2+) and mineralization value (from 1.7 to 6.4 mg/L) are typical for precipitates in the coastal regions of the northern European Russia. The average content of total nitrogen and phosphorus in the snow of the impact zone is 495 and 26 μg/L, respectively, which is 3 and 5 times higher than in the background zone. This is explained by their influx into the atmosphere with dust emissions from the mining enterprise. The content of organic matter (CODMn and TOC 5.5 and 5.8 mg/L) in the snow of the impact zone is about two times higher than in the snow of the background zone and in the water of the Khibiny water bodies. Probably, the elevated content of organic matter in the snow is associated with the supply of organic substances-reagents from the tailing dump, which are used to obtain apatite concentrate, as well as the intensive growth of unicellular green algae Chlamydomonas nivalis (Bauer) Wille under conditions of an increased content of nutrients and long daylight hours. The concentrations of a number of heavy metals (Zn, Mn, Cu, Cr, Pb, Cd) in the snow of the impact zone exceed their contents in the water of water body of the impact zone (13.4, 5.4, 3.8, 0.8, 0.65, 0.035 μg/L, respectively). These metals enter the snow as a part of dust emissions from the mine, and as polluted air masses from the industrial regions of Eurasia.

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来源期刊
Geochemistry International
Geochemistry International 地学-地球化学与地球物理
CiteScore
1.60
自引率
12.50%
发文量
89
审稿时长
1 months
期刊介绍: Geochemistry International is a peer reviewed journal that publishes articles on cosmochemistry; geochemistry of magmatic, metamorphic, hydrothermal, and sedimentary processes; isotope geochemistry; organic geochemistry; applied geochemistry; and chemistry of the environment. Geochemistry International provides readers with a unique opportunity to refine their understanding of the geology of the vast territory of the Eurasian continent. The journal welcomes manuscripts from all countries in the English or Russian language.
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