Assessment of Ground Water Dynamics and Potential Zones in Urban Areas: A Case Study of Voi Town, Kenya

Mark Boitt
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Abstract

Water plays a role in sustaining all the biotic elements. Unfortunately, in the recent times with persistent climate change impacts, parts of the world are facing cases of inadequate water causing stress and increased vulnerability among the people. This is the case with urban areas across the globe as their populations keep increasing with little to no attention paid to urban planning that allows sustainable management of resources amidst rapid development. Urban areas are surrounded by high yielding aquifers that have better water services from groundwater. However, the urban sprawl phenomena have limited attempts in assessing ground water potential in urban areas contributing to urban water scarcity. Therefore, the study aims to look at the problem of urban water scarcity, by analyzing the levels and distribution of groundwater in Voi town using remote sensing and GIS techniques, in order to suggest suitable sites for underground water exploration in regard to the overall urban water supply. From the analysis, the results showed that the area majorly has low to potential zones of groundwater. High potential areas were very few and were mostly on the western side of the area. Very low potential zones were seen on the east and north side of the area.
城市地区地下水动态和潜力区评价:以肯尼亚Voi镇为例
水在维持所有生物元素方面起着重要作用。不幸的是,在气候变化持续影响的近期,世界部分地区正面临水资源不足造成压力和人民脆弱性增加的情况。世界各地的城市地区都是如此,人口不断增加,却很少或根本没有注意到在快速发展中可持续管理资源的城市规划。城市地区被高产含水层所包围,这些含水层从地下水中获得更好的供水服务。然而,城市扩张现象在评估城市地区地下水潜力方面的尝试有限,导致城市缺水。因此,本研究的目的是通过利用遥感和地理信息系统技术分析Voi镇地下水的水位和分布,研究城市缺水问题,以便就整个城市供水提出适合的地下水勘探地点。分析结果表明,该地区主要为地下水低至潜在带。高电位区很少,且多集中在该区的西侧。在该地区的东部和北部可以看到非常低的电位区。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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