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使用多种影响因素和分析层次流程识别和绘制地下水充电区的地图
Fanxiao Meng1, Muhammad Ismail Khan2, Syed Ali Asad Naqvi3
1Southern Biomedical Research Center, Fujian Normal University, Fuzhou, 350117, China.
Scientific reports
|August 20, 2024
概括
在巴基斯坦绘制了地下水充电区的地图.
科学领域:
- 水文学和水文地质学
- 环境科学 环境科学
- 地理空间分析的研究.
背景情况:
- 对于依赖地下水资源的社区而言,有效的地下水管理至关重要.
- 巴基斯坦的莫曼德地区在公共供水方面严重依赖地下水.
- 了解地下水充电是可持续水资源管理的关键.
研究的目的:
- 在巴基斯坦的莫曼德地区确定和绘制地下水充电区 (GWRZ).
- 分析地质和水文因素对地下水充电变量的影响.
- 在GWRZ评估中比较多重影响因子 (MIF) 和分析层次程序 (AHP) 的有效性.
主要方法:
- 使用了遥感和地理信息系统 (GIS) 数据集.
- 在主题地图上使用加权覆盖分析,包括排水密度,斜率,地质,降雨量,线状密度,土地使用/土地覆盖和土壤类型.
- 应用多标准决策分析 (MCDA) 使用MIF和AHP进行因子权重.
主要成果:
- 在MIF分析中,显示了非常高的充电区域 (1.20%),高的充电区域 (40.44%),中等的充电区域 (50.81%) 和低的充电区域 (7.54%).
- AHP分析显示,充电区域非常高 (1.81%),高区域 (33.26%),中等区域 (55.01%) 和低区域 (9.92%).
- 两种方法都突出了温和的区域作为地下水充电最普遍的区域.
结论:
- 地理空间技术有效地划定了地下水充电区.
- 地质和水文因素显著影响地下水补充分布.
- 该研究增强了对地下水资源的理解,并有助于评估潜在的地下水区域,以实现可持续管理.
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