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An integrated approach for groundwater potential zoning in shallow fracture zone aquifers

机译：浅层裂缝带含水层地下水位分区的综合方法

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摘要

This study presents an integrated approach for the identification of groundwater occurrences in shallow fracture zone (SFZ) aquifers using remote-sensing, geological, and geophysical data. The Central Eastern Desert of Egypt was selected as a test site for the present study. The distribution of major faults and shear zones was extracted from a fusion image generated by injecting high-spatial resolution phased array L-band synthetic aperture radar (PALSAR) images into Landsat Enhanced Thematic Mapper images. The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) digital elevation model was processed to extract the drainage systems, slope, and topographic wetness index (TWI). The multidate PALSAR imagery acquired during rainy and dry seasons was used to estimate the relative soil moisture content. The lithology, fractures, drainage density, slope, TWI, and soil moisture content were used as thematic layers for groundwater occurrence in the SFZ aquifers. A GIS model of groundwater potential was developed by selecting the most probable locations for groundwater in each layer. The results indicate that the spatial distribution of the existing water wells is in agreement with the model where all wells fall in the regions of high groundwater potential zones. A geophysical survey was conducted using ground penetrating radar (GPR), indicating that the high groundwater potential zones are promising for drilling shallow wells. The adopted approach can be used as a cost-effective tool for groundwater exploration in the SFZ aquifers in the study area and in areas of similar geologic and hydrogeologic settings elsewhere.
机译：这项研究提出了一种利用遥感，地质和地球物理数据来识别浅裂带（SFZ）含水层中地下水发生量的综合方法。埃及中部东部沙漠被选为本研究的测试地点。从将高空间分辨率相控阵L波段合成孔径雷达（PALSAR）图像注入Landsat Enhanced Thematic Mapper图像中生成的融合图像中提取主要断层和剪切带的分布。处理了先进的星载热发射和反射辐射计（ASTER）数字高程模型，以提取排水系统，坡度和地形湿度指数（TWI）。在雨季和干旱季节采集的多日期PALSAR图像用于估计土壤相对含水量。岩性，裂缝，排水密度，坡度，TWI和土壤含水量被用作SFZ含水层中地下水发生的主题层。通过选择每一层中地下水的最可能位置，开发了一个GIS地下水潜力模型。结果表明，现有水井的空间分布与所有井都落在地下水位高的区域的模型是一致的。使用探地雷达（GPR）进行了地球物理勘测，表明高地下水位带有望用于钻探浅井。所采用的方法可以用作研究区域SFZ含水层以及其他地质和水文地质环境类似的区域中地下水勘探的经济有效工具。

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  • 来源
    《International journal of remote sensing》 |2013年第20期|6539-6561|共23页
  • 作者

    Reda Airier; Mohamed Sultan; Robert Ripperdan; Abduwasit Ghulam; Timothy Kusky;

  • 作者单位

    Department of Earth and Environmental Sciences, Tulane University, New Orleans, LA 70118, USA;

    Department of Geosciences, Western Michigan University, Kalamazoo, MI 49008, USA;

    Department of Earth and Atmospheric Sciences, Saint Louis University, St. Louis, MO 63103, USA;

    Department of Earth and Atmospheric Sciences, Saint Louis University, St. Louis, MO 63103, USA;

    China University of Geosciences, Wuhan 430074, Hubei Province, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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