基于二维高密度电阻率勘探数据的三维反演及应用
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Release time:2020-08-08 Affiliation of Author(s):中南大学地球科学与信息物理学院 Teaching and Research Group:中南大学应用地球物理系 Journal:中南大学学报(自然科学版) Place of Publication:中国 Key Words:高密度电阻率法；数值模拟；二维反演；三维反演；岩层划分 Abstract:针对目前高密度电阻率法所采用的数据处理方法主要是把地质结构体视为二度体进行二维处理,从而二维数据资料处理结果只是一种近似解释,其计算精度与反演效果达不到精确反演的要求,设计一种典型的地质体模型,利用有限单元法进行正演计算,对含有高斯随机误差的各测线二维正演数据分别进行高密度电阻率法二维、三维反演,对比二维和三维的反演结果.最后在广东某场地采用高密度电阻率法对岩层划分,利用二维勘探的数据进行二、三维反演.研究结果表明:三维反演受高斯随机误差的影响更小,反演结果与实际地质模型更接近；三维反演在岩层划分中更能凸显岩层分界面区域,岩层的空间分布及岩层、覆盖层的整体连续性能更真实地体现,与钻探结果吻合程度更好. Co-author:王鹏飞, 刘海飞, 肖波 First Author:戴前伟 Indexed by:Applied Research Correspondence Author:冯德山 Document Code:1672-7207(2012)01-0293-08 Discipline:地质资源与地质工程 Document Type:J Volume:43 Issue:1 Page Number:293-300 ISSN No.:1672-7207 Translation or Not:no CN No.:43-1426/N Date of Publication:2012-01-26 Included Journals:EI -
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