在埃及瓦迪凯纳 (Wadi Qena) 评估地下水资源:地质物理和水地化学视角
Mohamed Khalifa1, Mahmoud S Sharkawy2, Mahmoud Mohamaden3
1National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, 11722, Egypt.
Scientific reports
|December 12, 2025
概括
综合的水地物理和水化学方法确定了埃及瓦迪卡纳的两个关键的含水层系统. 这项研究通过绘制含水层几何形状和水质,优化了干旱地区的地下水勘探和管理.
科学领域:
- 水文地质学 水文地质学
- 地质物理学 地质物理学
- 水化化学 水化化学
背景情况:
- 地下水是干旱地区的关键资源,比如埃及的东沙漠.
- 了解含水层系统对于可持续的水资源管理至关重要.
研究的目的:
- 划定水层几何形状,评估南方瓦迪·凯纳 (Wadi Qena) 的地下水潜力.
- 评估地下水质量和确定盐度来源.
主要方法:
- 时间域电磁 (TDEM) 探测,地面磁形,试验数据和水化学分析的综合解释.
- 地理物理建模来定义含水层层和地下室地形.
- 水化学分析以描述水质和盐度来源.
主要成果:
- 识别了两个主要的含水层系统:一个浅的四级流水层和一个更深的努比亚砂岩含水层.
- 深地下低点,高传导率区域和低电阻之间的相关性.
- 水化学数据显示,西北地区的盐度增加,与上升泄漏和盐溶解有关.
结论:
- 结合TDEM,磁性和地化学方法,为干旱地形的地下水评估提供了一个强大的框架.
- 这种综合方法有助于识别生产性含水层和了解盐度机制.
- 研究结果支持在研究区域优化地下水开发策略.
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