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首页> 外文期刊>International Journal of Geosciences >Preliminary Geophysical Investigation to Delineate the Groundwater Conductive Zones in the Coastal Region of Akwa Ibom State, Southern Nigeria, around the Gulf of Guinea
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Preliminary Geophysical Investigation to Delineate the Groundwater Conductive Zones in the Coastal Region of Akwa Ibom State, Southern Nigeria, around the Gulf of Guinea

机译：初步地球物理调查，描绘了几内亚湾周围尼日利亚南部阿克瓦伊博姆州沿海地区的地下水导电区

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This paper presents the first work of its kind within the confines of the study area. It unravels the distribution of the layers of conductive sand and their depths of interaction between freshwater from fresh sands and saltwater within the conductive layers in the coastal region of Akwa Ibom State (Nigeria) around the Gulf of Guinea. Vertical electrical sounding (VES) data whose fidelity was achieved by constraining the data by the available nearby logged borehole information during interpretation was the method applied. In the western region of the study area, the ferruginized and saline water layer is found within the depth range of 22 to 75 m deep. In the northern zone, conductive sandy layer is found within 50 to 210 m and in the eastern zone, the saline and ferruginized sandy layer is found within the depth of 88.5 m and above. Generally, the horizontal and vertical cross sections of the subsoil and the flow regime from water table depths have been delineated. With these information, water can be tapped in the area with caution and the flow direction determined can be used as input parameter in detailed contamination study.
机译：本文介绍了研究范围内的同类工作。它揭示了几内亚湾沿阿克瓦伊博姆州（尼日利亚）沿海地区导电砂层的分布及其在新鲜砂层中的淡水与盐水之间的相互作用深度。所采用的方法是采用垂直电测深（VES）数据，其保真度是通过在解释期间通过附近可用的测井井眼信息约束数据来实现的。在研究区域的西部地区，发现铁水和盐水层在22至75 m的深度范围内。在北部地区，在50至210 m范围内发现了导电砂层，在东部地区，在88.5 m及以上深度发现了含盐和铁素化的砂层。通常，已经描述了地下水的水平和垂直横截面以及地下水位的流态。有了这些信息，就可以谨慎地在该区域注水，确定的水流方向可以用作详细污染研究中的输入参数。

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