阿尔及利亚Setifian高原地下水质量和人类健康风险,阿尔及利亚
Houria Kada1, Riad Kouadra2, Hasna Aouati3
1Institute of Architecture and Earth Sciences, University Ferhat Abbas, 19000, Setif, Algeria. tectites@gmail.com.
Environmental geochemistry and health
|November 9, 2025
概括
阿尔及利亚东北部的地下水中含有高酸盐,造成健康风险,尤其是儿童. 虽然适合灌,但饮用水质量受到损害,需要紧急处理和监测.
科学领域:
- 水文地质学和环境科学
- 水资源管理 水资源管理
- 公共卫生 公共卫生
背景情况:
- 地下水是重要的淡水资源,特别是在北非.
- 含水层系统容易受到自然和人为来源的污染.
- 评估地下水质量对于人类健康和农业可持续性至关重要.
研究的目的:
- 描述塞蒂菲安高平原含水层系统的水化学作用.
- 用水质指数 (WQI) 和土壤污染指数 (SPI) 评估地下水适合饮用和灌.
- 评估与酸盐污染有关的人类健康风险.
主要方法:
- 对210个地下水样本进行了水化分析.
- 水质指数 (WQI) 和土壤污染指数 (SPI) 的应用.
- 对人类健康影响的空间风险建模.
- 使用灌适用指数 (SAR,SSP,RSC,PI,MH,KR) 的评估.
主要成果:
- 地下水是Ca-Mg-SO4-Cl和Ca-HCO3类型的混合物,受到溶解和盐水侵入的影响.
- 世界水质指数显示,大量的地下水是不良的,不适合饮用 (34.8%).
- 高酸盐度 (超过50毫克/升) 普遍存在,表明污染.
- SPI将超过58%的样品归类为不适合使用.
- 大多数地下水都适合灌.
- 非致癌性健康风险 (危险指数) 高,特别是在儿童中.
结论:
- 塞蒂菲安高原的地下水质量下降,高酸盐水平对健康构成风险.
- 虽然适合灌,但饮用水需要大量的处理.
- 迫切需要监测和管理战略,以减轻健康风险并确保可持续的用水.
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