IoT-based data and analytic hierarchy process to map groundwater recharge with stormwater.

IF 2.5 4区 环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL Water Science and Technology Pub Date : 2024-02-01 DOI:10.2166/wst.2024.017
Miriam Arinaitwe, John Okedi
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Abstract

The sustainable management of groundwater resources in developing countries is often challenging due to limited measurement and monitoring infrastructure to collect data necessary for decision support. To make a contribution towards addressing these challenges, this study investigated the use of Internet of Things (IoT) technology and low-cost sensors to collect the required groundwater-level data and develop a model to map the recharge potential with stormwater. The study focused on two stormwater ponds located in a highly urbanised area in Cape Town, South Africa. A combination of Geographic Information System and analytic hierarchy process was integrated to generate a groundwater recharge potential zone map of the study area. The IoT-based data were used to develop and calibrate a numerical groundwater model in MODFLOW. The study determined that retrofitted stormwater ponds are potential groundwater augmentation zones and can provide opportunity for stormwater recharge in urban areas. Overall, this study highlights the potential of IoT to collect hydrogeological data with low-cost sensors. Data can be collected at high temporal resolution, and the spatial scale can be increased due to availability of low-cost sensors.

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基于物联网的数据和层次分析流程,利用雨水绘制地下水补给图。
由于收集决策支持所需数据的测量和监测基础设施有限,发展中国家地下水资源的可持续管理往往面临挑战。为了应对这些挑战,本研究调查了物联网(IoT)技术和低成本传感器的使用情况,以收集所需的地下水位数据,并开发一个模型来绘制雨水补给潜力图。研究重点是位于南非开普敦高度城市化地区的两个雨水池塘。结合地理信息系统和层次分析法,生成了研究区域的地下水补给潜力区地图。基于物联网的数据被用于开发和校准 MODFLOW 地下水数值模型。研究结果表明,改造后的雨水池塘是潜在的地下水补给区,可为城市地区的雨水补给提供机会。总之,这项研究强调了物联网利用低成本传感器收集水文地质数据的潜力。由于低成本传感器的可用性,可以收集高时间分辨率的数据,并扩大空间尺度。
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来源期刊
Water Science and Technology
Water Science and Technology 环境科学-工程:环境
CiteScore
4.90
自引率
3.70%
发文量
366
审稿时长
4.4 months
期刊介绍: Water Science and Technology publishes peer-reviewed papers on all aspects of the science and technology of water and wastewater. Papers are selected by a rigorous peer review procedure with the aim of rapid and wide dissemination of research results, development and application of new techniques, and related managerial and policy issues. Scientists, engineers, consultants, managers and policy-makers will find this journal essential as a permanent record of progress of research activities and their practical applications.
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