整合现场数据和空间决策支持系统(SDSS),确定尼日利亚埃桑高原的地下水潜能点

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL Groundwater for Sustainable Development Pub Date : 2024-07-14 DOI:10.1016/j.gsd.2024.101276
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引用次数: 0

摘要

在全球范围内,建立合适的地下水资源区是一项具有挑战性的工作。然而,新型空间技术已成为有效战略、管理和评估地下水资源的宝贵工具,尤其是在数据稀缺的新兴经济体。本研究利用空间决策支持系统(SDSS)评估和定义尼日利亚埃多中部地区的地下水潜势点(GPS),以促进地下水的可持续治理。通过合并多个地下水贡献主题层,应用基于前沿信息的多参数分析层次过程(AHP)来定义地下水潜在区域。通过系统地为每个特定主题层和特征赋予权重,生成了地质、地貌、排水密度、坡度、土壤特性、土地利用/土地覆盖、降雨分布、导水性、渗透性、曲率、与地表水体的接近程度和海拔等主题层,并用于生成地下水潜力图。每个专题图层的权重都根据其质量和与地下水补给的相关性进行了分配和调整。使用多重共线性(MC)分析来评估模型的预测能力。最后,通过将特定主题地图与加权总叠加计算工具相结合,创建了地下水潜势点。研究区域包含三个独立的地下水潜势点:低、中、高。根据区域地理分布,最大部分区域(65%)属于中度重要地下水潜势地理区域。高和低全球定位系统均具有低曲率和河谷平原特征,分别占整个区域的 25% 和 10%。研究结果与研究区域内收集的钻孔地下水产量进行了对比。验证分析发现,相似度为 88.89%,可以接受。这凸显了地下水地图的重要预测潜力。因此,所应用的方法是推进江户中部地区地下水以及全球可比地质的可行选择。
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Integrating in-situ data and spatial decision support systems (SDSS) to identify groundwater potential sites in the Esan plateau, Nigeria

Establishing suitable groundwater resource areas is a challenging endeavour across the globe. However, novel spatial technologies have emerged as valuable tools for the effective strategy, management, and assessment of groundwater resources, especially in data-scarce emerging economies. The current study used spatial decision support systems (SDSS) for evaluating and defining groundwater potential sites (GPSs) in Nigeria's Edo central region to promote sustainable governance of groundwater. By merging multiple groundwater contributing theme layers, a leading-edge information-based multiparametric analytical hierarchy process (AHP) was applied to define the groundwater prospective areas. By systematically assigning weights to every subject-specific layer and feature, the subject matter layers of geology, geomorphology, drainage density, slope, soil properties, landuse/landcover, rainfall distribution, hydraulic conductivity, transmissivity, curvature, proximity to surface water bodies, and elevation were generated and used for groundwater potential map generation. Each thematic layer's weights were allocated and adjusted depending on their qualities and relevance to groundwater recharge. The multicollinearity (MC) analysis was used to evaluate the model's predictive capacity. Finally, groundwater potential sites were created by integrating the theme-specific maps with the weighted total overlay computation tool. The study area contained three separate groundwater potential sites: low, moderate, and high. According to the regional geographic distribution, the largest portion of the area (65%) fell within the moderately significant groundwater potential geographical area. The high and low GPSs, which both have a low curvature and a valley plain characteristic, account for 25% and 10%, respectively, of the entire area. The outcomes were contrasted with the yield of groundwater from boreholes gathered in the study region. The validation analysis found an acceptable 88.89% similarity. This highlights the potential for the groundwater map's significant prediction. Therefore, the applied approach is a viable choice for the advancement of groundwater in the central Edo region and with comparable geology all over the globe.

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来源期刊
Groundwater for Sustainable Development
Groundwater for Sustainable Development Social Sciences-Geography, Planning and Development
CiteScore
11.50
自引率
10.20%
发文量
152
期刊介绍: Groundwater for Sustainable Development is directed to different stakeholders and professionals, including government and non-governmental organizations, international funding agencies, universities, public water institutions, public health and other public/private sector professionals, and other relevant institutions. It is aimed at professionals, academics and students in the fields of disciplines such as: groundwater and its connection to surface hydrology and environment, soil sciences, engineering, ecology, microbiology, atmospheric sciences, analytical chemistry, hydro-engineering, water technology, environmental ethics, economics, public health, policy, as well as social sciences, legal disciplines, or any other area connected with water issues. The objectives of this journal are to facilitate: • The improvement of effective and sustainable management of water resources across the globe. • The improvement of human access to groundwater resources in adequate quantity and good quality. • The meeting of the increasing demand for drinking and irrigation water needed for food security to contribute to a social and economically sound human development. • The creation of a global inter- and multidisciplinary platform and forum to improve our understanding of groundwater resources and to advocate their effective and sustainable management and protection against contamination. • Interdisciplinary information exchange and to stimulate scientific research in the fields of groundwater related sciences and social and health sciences required to achieve the United Nations Millennium Development Goals for sustainable development.
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