用地缘空间技术和AHP方法的结合,绘制了普拉雅格拉吉的山西地区的地下水潜力
Swarnim1, Jayant Nath Tripathi2, Irjesh Sonker1
1Department of Earth & Planetary Sciences, University of Allahabad, Prayagraj, 211 002, India.
Environmental monitoring and assessment
|October 26, 2023
概括
这项研究使用远程传感和GIS绘制了横河地区地下水潜在区域的地图. 适度区域覆盖了最大的面积,指导可持续的地下水管理.
科学领域:
- 水文学 水文学
- 环境科学 环境科学
- 地理信息学是一种地理信息学.
背景情况:
- 准确确定地下水潜在区域 (GPZ) 对可持续的水资源管理至关重要.
- 亚木那河西地区需要对其地下水资源进行详细评估,因为需求日益增加.
研究的目的:
- 通过综合的方法,划定横河地区的地下水潜在区域 (GPZs).
- 评估各种地理空间参数对地下水潜力的影响.
- 为地下水资源管理提供可靠的框架.
主要方法:
- 遥感和地理信息系统 (GIS) 技术的整合.
- 使用的主题层包括排水密度,斜率,地质,地形,NDVI,线层密度,降雨量,土壤类型,土地使用/土地覆盖和地形湿度指数.
- 采用分析层次过程 (AHP) 进行参数加权和加权线性组合进行地图集成,然后进行地图移除灵敏度分析和ROC曲线验证.
主要成果:
- 该研究确定了三个不同的地下水潜在区域:低 (11.93%),中等 (76.44%) 和高 (11.27%).
- 温和的地下水潜在区域构成了最大的区域,表明有很大的充电潜力.
- 地质学,地形学,线条密度和排水密度被确定为预测模型中最有影响力的因素.
结论:
- 综合地理空间方法有效地划分了具有高预测准确度 (81.3%) 的地下水潜在区域.
- 调查结果提供了关键的数据,为了解地表水资源管理和规划在亚木纳河西地区.
- 该方法为其他地区的类似水文地质评估提供了坚实的框架.
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