基于遥感和地理信息系统的地下水补给区综合绘图技术:沙特阿拉伯中部利雅得西南部案例研究

IF 3.1 Q2 WATER RESOURCES
Eman Mohamed M. EL-Bana, Haya M. Alogayell, M. Sheta, M. Abdelfattah
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引用次数: 0

摘要

要找到可能的地下水库区可能很困难,特别是在干旱或丘陵地区。在二十一世纪,遥感卫星图像可能为更快速、更经济地定位地表和地下水资源提供了新的机遇。为了确定地下水潜力区,本研究在利雅得西南部的沙特阿拉伯中部进行。本次分析采用了一种依赖遥感和地理信息系统的多标准方法。该技术采用的变量包括地质、降雨、海拔、坡度、坡向、山影、排水密度、线状密度和土地利用/土地覆盖(LULC)。采用层次分析法(AHP)对参数进行权重分配,并对每个参数的几个等级对地下水潜势的相应重要性进行分配。研究确定了不同的地下水潜势区:极高(16.8%)、高(30%)、中(26.7%)、低(18.6%)和极低(7.9%)。根据验证调查,只有两口观测井位于 "中等 "潜力区,但其他十口井都位于 "极高和高 "潜力区。因此,这些结果可能表明,目前的方法结合了改进的概念化和 AHP 方法来定义和绘制地下水潜力区,更有可能产生准确的结果,并可用于减少干旱对更广泛干旱地区的威胁。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Integrated Remote Sensing and GIS-Based Technique for Mapping Groundwater Recharge Zones: A Case Study of SW Riyadh, Central Saudi Arabia
It might be difficult to find possible groundwater reservoir zones, especially in arid or hilly regions. In the twenty-first century, remotely sensed satellite imagery may present a new opportunity to locate surface and subsurface water resources more quickly and affordably. In order to identify groundwater potential zones, the current study was conducted in Central Saudi Arabia, southwest of Riyadh. The present analysis employed a multi-criteria approach that relies on remote sensing and geographic information systems. The variables employed in this technique include geology, rainfall, elevation, slope, aspect, hillshade, drainage density, lineaments density, and Land Use/Land Cover (LULC). The Analytical Hierarchical Process (AHP) was used for assigning weights to the parameters, and the corresponding significance of each parameter’s several classes for groundwater potentiality. Different groundwater potential zones were identified by the study: very high (16.8%), high (30%), medium (26.7%), low (18.6%), and very low (7.9%). Only two of the observation wells were located in the “medium” potential zone, but the other ten wells were observed in the “very high and high” potential zones, according to the validation survey. Consequently, the results may demonstrate that the current approach, which combines improved conceptualization with AHP to define and map groundwater potential zones, has a greater chance of producing accurate results and can be used to reduce the threat of drought in broader arid regions.
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来源期刊
Hydrology
Hydrology Earth and Planetary Sciences-Earth-Surface Processes
CiteScore
4.90
自引率
21.90%
发文量
192
审稿时长
6 weeks
期刊介绍: Journal of Hydrology publishes original research papers and comprehensive reviews in all the subfields of the hydrological sciences, including water based management and policy issues that impact on economics and society. These comprise, but are not limited to the physical, chemical, biogeochemical, stochastic and systems aspects of surface and groundwater hydrology, hydrometeorology, hydrogeology and hydrogeophysics. Relevant topics incorporating the insights and methodologies of disciplines such as climatology, water resource systems, ecohydrology, geomorphology, soil science, instrumentation and remote sensing, data and information sciences, civil and environmental engineering are within scope. Social science perspectives on hydrological problems such as resource and ecological economics, sociology, psychology and behavioural science, management and policy analysis are also invited. Multi-and interdisciplinary analyses of hydrological problems are within scope. The science published in the Journal of Hydrology is relevant to catchment scales rather than exclusively to a local scale or site. Studies focused on urban hydrological issues are included.
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