ISSN 1000-3665 CN 11-2202/P

    音频大地电磁测深法在地热勘查中的应用研究

    Application of audio magnetotelluric sounding in the geothermal exploration

    • 摘要: 从介绍和分析研究区的地质特征出发,通过介绍音频大地电磁(AMT)法工作布置、资料采集和处理流程,说明了该方法在地热资源勘查中的应用效果,同时对自主开发的二维大地电磁处理与反演解释及成像软件系统(MTSoft2D2.0)的功能特点进行了介绍,并将系统中改进的二维非线性共轭梯度(NLCG)方法应用于资料反演解释,取得了较好的效果。研究成果确定了研究区的热储地层的深度与厚度,以及地质构造分布的基本情况。结果证明,音频大地电磁法在探测含水层及地热资源方面是有效的。

       

      Abstract: In this paper,the geological characteristics of the study area are described and analyzed,and the application of AMT to the exploration of geothermal resources is described in detailed through the introduction of the layout,data collection and processing of AMT. The features of the two-dimensional magnetotelluric inversion processing and interpretation software system ( MTSoft2D 2. 0 ) are also introduced,and the improved two-dimensional non-linear conjugate gradient ( NLCG) method are used in t...

       

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