HYDROGEOCHEMICAL MODELING OF GROUNDWATER OF THE QUATERNARY AQUIFER IN MELLAGOU VALLEY -BOUHMAMA- (NORTHEASTERN ALGERIA)

IF 0.9 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Cherifa Berkani, Mahrez Boulabeiz, Naouel Dali, A. Sedrati, Belgacem Houh
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Abstract

The use of groundwater in Bouhmama area for drinking and irrigation purposes has increased progressively over the past decade. The water quality of the aquifer has been significantly altered by anthropogenic activity, such as the extensive use of chemical fertilizers. This research intends to enhance our understanding of the hydrogeochemical function of the Mellagou aquifer in the Bouhmama area in northeastern Algeria. It contributes to the identification of the phenomena affecting the mineralization and the mechanisms of salinization of groundwater. A total of 15 groundwater samples were collected during the rainy seasons in 2022 distributed in the study area. In order to performed the results obtained this study used hydrochemical diagram (Piper, Schoeller, Stiff, Stabler, and Wilcox diagrams), thermodynamic models (saturation indexes), and statistical method (PCA). Three chemical facies with a predominance of the calcic bicarbonate facies reflect the influence of intercalations within the bicarbonate sedimentary formations. Groundwater mineralization is mainly governed by the dissolution and the precipitation of minerals (gypsum and halite, calcite and dolomite), Base Exchange, and anthropogenic activities. The results acquired by PCA show that the variables controlling water mineralization are Cl-, Na+, and K+.
阿尔及利亚东北部mellagou河谷- bouhmama -第四纪含水层地下水水文地球化学模拟
在过去十年中,Bouhmama地区用于饮用和灌溉目的的地下水使用量逐渐增加。由于人类活动,如广泛使用化肥,含水层的水质发生了重大变化。这项研究旨在加深我们对阿尔及利亚东北部Bouhmama地区Mellagou含水层水文地球化学功能的理解。它有助于识别影响矿化的现象和地下水盐碱化的机制。2022年雨季共采集了15个地下水样本,分布在研究区域。为了实现所获得的结果,本研究使用了水化学图(Piper、Schoeller、Stiff、Stabler和Wilcox图)、热力学模型(饱和度指数)和统计方法(PCA)。以碳酸钙-碳酸氢盐相为主的三个化学相反映了碳酸氢盐沉积地层中嵌入物的影响。地下水矿化主要受矿物(石膏和岩盐、方解石和白云石)的溶解和沉淀、碱交换和人类活动的控制。主成分分析结果表明,控制水矿化的变量为Cl-、Na+和K+。
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来源期刊
CiteScore
2.30
自引率
25.00%
发文量
42
审稿时长
12-24 weeks
期刊介绍: The publishing of CARPATHIAN JOURNAL of EARTH and ENVIRONMENTAL SCIENCES has started in 2006. The regularity of this magazine is biannual. The magazine will publish scientific works, in international purposes, in different areas of research, such as : geology, geography, environmental sciences, the environmental pollution and protection, environmental chemistry and physic, environmental biodegradation, climatic exchanges, fighting against natural disasters, protected areas, soil degradation, water quality, water supplies, sustainable development.
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