墨西哥奇瓦瓦州 Meoqui-Delicias 蓄水层中的砷和铅含量

IF 3 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Water Pub Date : 2024-09-08 DOI:10.3390/w16172538
Marisol Bencomo-Calderón, Eduardo Florencio Herrera-Peraza, Alejandro Villalobos-Aragón
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引用次数: 0

摘要

本研究旨在确定 Meoqui-Delicias 含水层中的砷和铅含量及其时空动态。研究选取了 21 个水采样点。其中 17 个样本来自水井,4 个样本来自地表水;两个样本供人类饮用,其余样本供农业使用。样本采集时间为 2019 年 5 月至 2020 年 1 月,共进行了四次采样,每年每个气候季节采样一次。所研究的地球化学异常现象似乎与火山喷发的性质和机制有关。一些样本显示砷浓度较高,从 1.20 到 156.54 ppb 不等,而铅的浓度则较低,最大值为 26.32 ppb。这些元素(砷和铅)存在于 Naica 的水中,Naica 是矿区的一部分,在那里获得了成吨的金、银、铅、铜和锌。从地理角度来看,无法确定这些元素之间是否有关联,尽管这些元素(砷和铅)存在于奈卡的水中,而奈卡是一个矿区,历史上曾开采过成吨的金和银。
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As and Pb Presence within the Meoqui-Delicias Aquifer, Chihuahua, Mexico
This study aimed to determine the amount of As and Pb in the water in the Meoqui-Delicias’ aquifer and their spatiotemporal dynamics. Twenty-one water sampling points were selected. Seventeen samples were from wells and four were from surface water; two were used for human consumption and the rest for agricultural use. The samples were taken from May 2019 to January 2020 in four sampling events, one for each climatological season of the year. The studied geochemical anomalies seem to be linked to the nature and mechanism of volcanic emplacement. Several samples exhibited high concentrations of arsenic ranging from 1.20 to 156.54 ppb, unlike lead, with low values being the maximum value of 26.32 ppb. These elements (As and Pb) are in the water in Naica, part of the mining district where tons of Au, Ag, Pb, Cu, and Zn were obtained. From a geographical standpoint, it is impossible to establish that these elements are related, even though these elements (As and Pb) are present in the water in Naica, a mining zone where tons of Au and Ag were historically mined.
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来源期刊
Water
Water WATER RESOURCES-
CiteScore
5.80
自引率
14.70%
发文量
3491
审稿时长
19.85 days
期刊介绍: Water (ISSN 2073-4441) is an international and cross-disciplinary scholarly journal covering all aspects of water including water science and technology, and the hydrology, ecology and management of water resources. It publishes regular research papers, critical reviews and short communications, and there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles. Computed data or files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.
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