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A conceptual model for the development and management of the Cape Flats aquifer, South Africa

机译：南非Cape Flats含水层开发和管理的概念模型

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This paper provides an integrated approach to the analysis of the geological, hydrological and hydrogeological characteristics of the Cape Flats: a coastal plain sand formed within the mountains of the Cape Town metropolitan area. The study is mainly based on evaluation of available data, on surface water and groundwater, rainfall and selected springs, to describe the Cape Flats aquifer. Qualitative analysis has shown that both surface water and groundwater of the investigated area are of good quality; whereas sources of contamination indicated are restricted to certain parts of the area. Interpretation of hydrogeological data and aquifer parameters revealed that the Cape Flats aquifer has good storage characteristics to support its development for water supply, although the generally unconfined conditions render it highly susceptible to pollution from the surface. From the analysis of long-term climate data in Cape Town, it is evident that fluctuation exists in the pattern of rainfall; this rainfall pattern has implications for recharge and water management issues in the city. Therefore, a conceptual hydrogeological model was developed to elucidate groundwater flow and recharge mechanisms in the Cape Flats.
机译：本文提供了一种综合方法来分析Cape Cape的地质，水文和水文地质特征：在Cape Town大都市区的山脉中形成的沿海平原沙土。这项研究主要基于对地表水和地下水，降雨和部分泉水的可用数据进行评估，以描述海角平坦含水层。定性分析表明，被调查地区的地表水和地下水质量均良好。指出的污染源仅限于该地区的某些地区。对水文地质数据和含水层参数的解释表明，尽管通常不受限制的条件使其很容易受到地表污染，但Cape Flats含水层具有良好的储水特征以支持其供水发展。从开普敦的长期气候数据分析来看，很明显降雨模式存在波动。这种降雨方式对城市的补给和水管理问题产生了影响。因此，开发了一种概念性的水文地质模型，以阐明海角平坦区的地下水流动和补给机理。

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