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使用地理信息学和AHP技术与遥感数据的地下水潜在区域划分的划定

Dechasa Diriba¹, Shankar Karuppannan^2,3, Tariku Takele¹

¹Department of Geology, College of Natural and Computational Science, Dilla University, P.O. Box: 419, Dilla, Ethiopia.

|February 19, 2024

概括

这项研究绘制了埃塞俄比亚地下水潜在区域的地图.

科学领域:

水文学和水文地质学
遥感和地理信息系统 (GIS) 的应用
水资源管理水资源管理

背景情况:

地下水对于经济增长和粮食安全至关重要.
吉达博流域人口增加增加了地下水需求.
有效的地下水管理对于可持续发展至关重要.

研究的目的:

在吉达博流域划定地下水潜在区域 (GWPZ).
确定适合地下水勘探和管理的区域.
支持该地区可持续的水资源规划.

主要方法:

综合地理信息系统 (GIS),遥感和分析层次过程 (AHP).
分析了八个影响地下水的关键因素:降雨量,海拔,排水密度,土壤类型,线层密度,斜率,石质学以及土地使用/土地覆盖.
在ArcGIS中进行加权覆盖分析 (WOA),用于生成地图和验证接收器操作特征 (ROC) 曲线.

主要成果:

吉达博流域被分为五个GWPZ类别:贫穷 (18.7%),低 (33.8%),中等 (23.4%),高 (18.1%) 和非常高 (5.8%).
该模型使用井和弹数据实现了76.8%的验证准确性.
GWPZ的空间分布为有针对性的地下水管理提供了基础.

结论:

综合的GIS,RS和AHP方法有效地划分了吉达博流域的GWPZ.
这些发现为可持续的地下水资源规划和管理提供了宝贵的见解.
这项研究强调了数据驱动的水资源评估方法的重要性.

关键词:

分析层次是分析层次的过程.地理信息系统是一个地理信息系统.地下水潜在区域区域的地下水.主要的埃塞俄比亚裂遥感是一种远程传感.

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